[{"data":1,"prerenderedAt":1313},["ShallowReactive",2],{"mdc--iwkdd8-key":3},{"data":4,"body":5},{},{"type":6,"children":7},"root",[8,17,27,34,39,48,60,87,92,115,127,131,137,142,180,185,192,197,209,214,219,237,242,250,253,259,264,282,287,293,311,316,334,337,343,355,367,370,376,381,387,392,406,411,424,429,442,445,451,456,464,475,480,508,513,580,585,588,594,599,604,622,627,630,636,641,646,669,674,682,687,690,696,701,706,724,729,734,757,762,780,783,789,794,800,805,828,833,836,842,847,865,868,874,879,892,897,900,906,911,916,924,929,942,947,952,975,980,983,989,994,1000,1005,1028,1033,1046,1051,1054,1060,1065,1070,1078,1083,1088,1101,1106,1109,1115,1120,1128,1133,1161,1166,1174,1179,1187,1190,1196,1202,1208,1214,1220,1226,1232,1238,1241,1247,1252,1279,1290,1295],{"type":9,"tag":10,"props":11,"children":13},"element","h1",{"id":12},"the-resolution-revolution",[14],{"type":15,"value":16},"text","🧬 The Resolution Revolution",{"type":9,"tag":18,"props":19,"children":20},"p",{},[21],{"type":9,"tag":22,"props":23,"children":24},"strong",{},[25],{"type":15,"value":26},"How cryo-EM changed structural biology forever",{"type":9,"tag":28,"props":29,"children":31},"h2",{"id":30},"_1️⃣-why-structure-matters-so-much",[32],{"type":15,"value":33},"1️⃣ Why Structure Matters So Much",{"type":9,"tag":18,"props":35,"children":36},{},[37],{"type":15,"value":38},"The article opens with a fundamental principle:",{"type":9,"tag":40,"props":41,"children":42},"blockquote",{},[43],{"type":9,"tag":18,"props":44,"children":45},{},[46],{"type":15,"value":47},"To understand how a macromolecule works, you must know its structure.",{"type":9,"tag":18,"props":49,"children":50},{},[51,53,58],{"type":15,"value":52},"Proteins and large molecular complexes perform highly specific biological functions. Their function depends directly on their ",{"type":9,"tag":22,"props":54,"children":55},{},[56],{"type":15,"value":57},"3D structure",{"type":15,"value":59},". If we want to:",{"type":9,"tag":61,"props":62,"children":63},"ul",{},[64,70,75],{"type":9,"tag":65,"props":66,"children":67},"li",{},[68],{"type":15,"value":69},"Design antibiotics",{"type":9,"tag":65,"props":71,"children":72},{},[73],{"type":15,"value":74},"Understand disease mutations",{"type":9,"tag":65,"props":76,"children":77},{},[78,80,85],{"type":15,"value":79},"Engineer biomolecules\n→ We need structural information at ",{"type":9,"tag":22,"props":81,"children":82},{},[83],{"type":15,"value":84},"near-atomic resolution",{"type":15,"value":86}," (around 3 Å or better).",{"type":9,"tag":18,"props":88,"children":89},{},[90],{"type":15,"value":91},"Historically, two techniques dominated:",{"type":9,"tag":61,"props":93,"children":94},{},[95,105],{"type":9,"tag":65,"props":96,"children":97},{},[98,100],{"type":15,"value":99},"🧊 ",{"type":9,"tag":22,"props":101,"children":102},{},[103],{"type":15,"value":104},"X-ray crystallography",{"type":9,"tag":65,"props":106,"children":107},{},[108,110],{"type":15,"value":109},"🧲 ",{"type":9,"tag":22,"props":111,"children":112},{},[113],{"type":15,"value":114},"NMR spectroscopy",{"type":9,"tag":18,"props":116,"children":117},{},[118,120,125],{"type":15,"value":119},"But in 2014, something dramatic happened: ",{"type":9,"tag":22,"props":121,"children":122},{},[123],{"type":15,"value":124},"electron cryo-microscopy (cryo-EM)",{"type":15,"value":126}," entered the high-resolution game.",{"type":9,"tag":128,"props":129,"children":130},"hr",{},[],{"type":9,"tag":28,"props":132,"children":134},{"id":133},"_2️⃣-the-breakthrough-mitochondrial-ribosome-at-32-å",[135],{"type":15,"value":136},"2️⃣ The Breakthrough: Mitochondrial Ribosome at 3.2 Å",{"type":9,"tag":18,"props":138,"children":139},{},[140],{"type":15,"value":141},"On page 1, Kühlbrandt discusses a landmark study:",{"type":9,"tag":61,"props":143,"children":144},{},[145,155,165,175],{"type":9,"tag":65,"props":146,"children":147},{},[148,150],{"type":15,"value":149},"The ",{"type":9,"tag":22,"props":151,"children":152},{},[153],{"type":15,"value":154},"large subunit of the mitochondrial ribosome",{"type":9,"tag":65,"props":156,"children":157},{},[158,160],{"type":15,"value":159},"Solved at ",{"type":9,"tag":22,"props":161,"children":162},{},[163],{"type":15,"value":164},"3.2 Å resolution",{"type":9,"tag":65,"props":166,"children":167},{},[168,170],{"type":15,"value":169},"Using ",{"type":9,"tag":22,"props":171,"children":172},{},[173],{"type":15,"value":174},"cryo-EM",{"type":9,"tag":65,"props":176,"children":177},{},[178],{"type":15,"value":179},"Without crystallization",{"type":9,"tag":18,"props":181,"children":182},{},[183],{"type":15,"value":184},"This was revolutionary.",{"type":9,"tag":186,"props":187,"children":189},"h3",{"id":188},"why-was-this-shocking",[190],{"type":15,"value":191},"Why was this shocking?",{"type":9,"tag":18,"props":193,"children":194},{},[195],{"type":15,"value":196},"Before this, high-resolution structures (side-chain level detail) were considered the domain of:",{"type":9,"tag":61,"props":198,"children":199},{},[200,204],{"type":9,"tag":65,"props":201,"children":202},{},[203],{"type":15,"value":104},{"type":9,"tag":65,"props":205,"children":206},{},[207],{"type":15,"value":208},"NMR",{"type":9,"tag":18,"props":210,"children":211},{},[212],{"type":15,"value":213},"Cryo-EM was mostly lower resolution.",{"type":9,"tag":18,"props":215,"children":216},{},[217],{"type":15,"value":218},"Now suddenly:",{"type":9,"tag":61,"props":220,"children":221},{},[222,227,232],{"type":9,"tag":65,"props":223,"children":224},{},[225],{"type":15,"value":226},"RNA base pairs are clearly resolved",{"type":9,"tag":65,"props":228,"children":229},{},[230],{"type":15,"value":231},"Magnesium ions are visible",{"type":9,"tag":65,"props":233,"children":234},{},[235],{"type":15,"value":236},"Side chains are defined",{"type":9,"tag":18,"props":238,"children":239},{},[240],{"type":15,"value":241},"This marked the beginning of what the author calls:",{"type":9,"tag":40,"props":243,"children":244},{},[245],{"type":9,"tag":18,"props":246,"children":247},{},[248],{"type":15,"value":249},"“A new era in molecular biology.”",{"type":9,"tag":128,"props":251,"children":252},{},[],{"type":9,"tag":28,"props":254,"children":256},{"id":255},"_3️⃣-ribosomes-why-this-matters",[257],{"type":15,"value":258},"3️⃣ Ribosomes & Why This Matters",{"type":9,"tag":18,"props":260,"children":261},{},[262],{"type":15,"value":263},"Ribosomes are:",{"type":9,"tag":61,"props":265,"children":266},{},[267,272,277],{"type":9,"tag":65,"props":268,"children":269},{},[270],{"type":15,"value":271},"Ancient",{"type":9,"tag":65,"props":273,"children":274},{},[275],{"type":15,"value":276},"Massive protein-RNA complexes",{"type":9,"tag":65,"props":278,"children":279},{},[280],{"type":15,"value":281},"Responsible for translating genetic code into proteins",{"type":9,"tag":18,"props":283,"children":284},{},[285],{"type":15,"value":286},"Mitochondria have their own ribosomes (derived from bacterial ancestors).",{"type":9,"tag":186,"props":288,"children":290},{"id":289},"why-structure-matters-here",[291],{"type":15,"value":292},"Why structure matters here:",{"type":9,"tag":61,"props":294,"children":295},{},[296,301,306],{"type":9,"tag":65,"props":297,"children":298},{},[299],{"type":15,"value":300},"Antibiotics (e.g., erythromycin) target bacterial ribosomes",{"type":9,"tag":65,"props":302,"children":303},{},[304],{"type":15,"value":305},"But drugs must NOT block mitochondrial ribosomes",{"type":9,"tag":65,"props":307,"children":308},{},[309],{"type":15,"value":310},"Structural detail allows selective drug design",{"type":9,"tag":18,"props":312,"children":313},{},[314],{"type":15,"value":315},"So high-resolution mitochondrial ribosome structures are critical for:",{"type":9,"tag":61,"props":317,"children":318},{},[319,324,329],{"type":9,"tag":65,"props":320,"children":321},{},[322],{"type":15,"value":323},"Antibiotic development",{"type":9,"tag":65,"props":325,"children":326},{},[327],{"type":15,"value":328},"Understanding mitochondrial disease",{"type":9,"tag":65,"props":330,"children":331},{},[332],{"type":15,"value":333},"Evolutionary biology",{"type":9,"tag":128,"props":335,"children":336},{},[],{"type":9,"tag":10,"props":338,"children":340},{"id":339},"the-real-revolution-detector-technology",[341],{"type":15,"value":342},"🚀 The Real Revolution: Detector Technology",{"type":9,"tag":18,"props":344,"children":345},{},[346,348,353],{"type":15,"value":347},"The revolution did ",{"type":9,"tag":22,"props":349,"children":350},{},[351],{"type":15,"value":352},"not",{"type":15,"value":354}," happen because of biology.",{"type":9,"tag":18,"props":356,"children":357},{},[358,360,365],{"type":15,"value":359},"It happened because of ",{"type":9,"tag":22,"props":361,"children":362},{},[363],{"type":15,"value":364},"engineering",{"type":15,"value":366},".",{"type":9,"tag":128,"props":368,"children":369},{},[],{"type":9,"tag":28,"props":371,"children":373},{"id":372},"_4️⃣-old-problem-ccd-cameras-were-limiting",[374],{"type":15,"value":375},"4️⃣ Old Problem: CCD Cameras Were Limiting",{"type":9,"tag":18,"props":377,"children":378},{},[379],{"type":15,"value":380},"Previously, cryo-EM used:",{"type":9,"tag":186,"props":382,"children":384},{"id":383},"ccd-cameras",[385],{"type":15,"value":386},"📷 CCD cameras",{"type":9,"tag":18,"props":388,"children":389},{},[390],{"type":15,"value":391},"They:",{"type":9,"tag":393,"props":394,"children":395},"ol",{},[396,401],{"type":9,"tag":65,"props":397,"children":398},{},[399],{"type":15,"value":400},"Convert electrons → photons",{"type":9,"tag":65,"props":402,"children":403},{},[404],{"type":15,"value":405},"Then photons → electrons again",{"type":9,"tag":18,"props":407,"children":408},{},[409],{"type":15,"value":410},"This double conversion:",{"type":9,"tag":61,"props":412,"children":413},{},[414,419],{"type":9,"tag":65,"props":415,"children":416},{},[417],{"type":15,"value":418},"Reduced signal quality",{"type":9,"tag":65,"props":420,"children":421},{},[422],{"type":15,"value":423},"Limited high-resolution performance",{"type":9,"tag":18,"props":425,"children":426},{},[427],{"type":15,"value":428},"Photographic film was better in principle but:",{"type":9,"tag":61,"props":430,"children":431},{},[432,437],{"type":9,"tag":65,"props":433,"children":434},{},[435],{"type":15,"value":436},"Too slow",{"type":9,"tag":65,"props":438,"children":439},{},[440],{"type":15,"value":441},"Not compatible with modern digital processing",{"type":9,"tag":128,"props":443,"children":444},{},[],{"type":9,"tag":28,"props":446,"children":448},{"id":447},"_5️⃣-the-game-changer-direct-electron-detectors",[449],{"type":15,"value":450},"5️⃣ The Game-Changer: Direct Electron Detectors",{"type":9,"tag":18,"props":452,"children":453},{},[454],{"type":15,"value":455},"Around 10 years before the article, scientists proposed:",{"type":9,"tag":40,"props":457,"children":458},{},[459],{"type":9,"tag":18,"props":460,"children":461},{},[462],{"type":15,"value":463},"Why not detect electrons directly?",{"type":9,"tag":18,"props":465,"children":466},{},[467,469,474],{"type":15,"value":468},"This led to ",{"type":9,"tag":22,"props":470,"children":471},{},[472],{"type":15,"value":473},"radiation-hardened direct electron detectors",{"type":15,"value":366},{"type":9,"tag":18,"props":476,"children":477},{},[478],{"type":15,"value":479},"These sensors:",{"type":9,"tag":61,"props":481,"children":482},{},[483,488,493,498,503],{"type":9,"tag":65,"props":484,"children":485},{},[486],{"type":15,"value":487},"Detect electrons directly",{"type":9,"tag":65,"props":489,"children":490},{},[491],{"type":15,"value":492},"Use active pixel sensor technology (like phone cameras)",{"type":9,"tag":65,"props":494,"children":495},{},[496],{"type":15,"value":497},"Are ultra-thin (about half a sheet of paper)",{"type":9,"tag":65,"props":499,"children":500},{},[501],{"type":15,"value":502},"Have 1.6 million pixels",{"type":9,"tag":65,"props":504,"children":505},{},[506],{"type":15,"value":507},"Are radiation resistant",{"type":9,"tag":18,"props":509,"children":510},{},[511],{"type":15,"value":512},"But key engineering challenges had to be solved:",{"type":9,"tag":514,"props":515,"children":516},"table",{},[517,536],{"type":9,"tag":518,"props":519,"children":520},"thead",{},[521],{"type":9,"tag":522,"props":523,"children":524},"tr",{},[525,531],{"type":9,"tag":526,"props":527,"children":528},"th",{},[529],{"type":15,"value":530},"Problem",{"type":9,"tag":526,"props":532,"children":533},{},[534],{"type":15,"value":535},"Solution",{"type":9,"tag":537,"props":538,"children":539},"tbody",{},[540,554,567],{"type":9,"tag":522,"props":541,"children":542},{},[543,549],{"type":9,"tag":544,"props":545,"children":546},"td",{},[547],{"type":15,"value":548},"Electron beam destroys chips",{"type":9,"tag":544,"props":550,"children":551},{},[552],{"type":15,"value":553},"Radiation-hardened design",{"type":9,"tag":522,"props":555,"children":556},{},[557,562],{"type":9,"tag":544,"props":558,"children":559},{},[560],{"type":15,"value":561},"Electrons excite multiple pixels",{"type":9,"tag":544,"props":563,"children":564},{},[565],{"type":15,"value":566},"Larger pixels",{"type":9,"tag":522,"props":568,"children":569},{},[570,575],{"type":9,"tag":544,"props":571,"children":572},{},[573],{"type":15,"value":574},"Electron scattering blurs images",{"type":9,"tag":544,"props":576,"children":577},{},[578],{"type":15,"value":579},"Ultra-thin sensors",{"type":9,"tag":18,"props":581,"children":582},{},[583],{"type":15,"value":584},"This is the technical foundation of the revolution.",{"type":9,"tag":128,"props":586,"children":587},{},[],{"type":9,"tag":10,"props":589,"children":591},{"id":590},"beam-induced-motion-the-hidden-enemy",[592],{"type":15,"value":593},"🎯 Beam-Induced Motion — The Hidden Enemy",{"type":9,"tag":18,"props":595,"children":596},{},[597],{"type":15,"value":598},"Before these new detectors, there was a major issue:",{"type":9,"tag":18,"props":600,"children":601},{},[602],{"type":15,"value":603},"When the electron beam hits the frozen sample:",{"type":9,"tag":61,"props":605,"children":606},{},[607,612,617],{"type":9,"tag":65,"props":608,"children":609},{},[610],{"type":15,"value":611},"The thin ice layer moves",{"type":9,"tag":65,"props":613,"children":614},{},[615],{"type":15,"value":616},"Images blur",{"type":9,"tag":65,"props":618,"children":619},{},[620],{"type":15,"value":621},"Resolution collapses",{"type":9,"tag":18,"props":623,"children":624},{},[625],{"type":15,"value":626},"This was considered almost unsolvable.",{"type":9,"tag":128,"props":628,"children":629},{},[],{"type":9,"tag":28,"props":631,"children":633},{"id":632},"the-brilliant-fix",[634],{"type":15,"value":635},"🧠 The Brilliant Fix",{"type":9,"tag":18,"props":637,"children":638},{},[639],{"type":15,"value":640},"Because the new detectors are fast:",{"type":9,"tag":18,"props":642,"children":643},{},[644],{"type":15,"value":645},"Instead of taking one long exposure:",{"type":9,"tag":61,"props":647,"children":648},{},[649,654,659,664],{"type":9,"tag":65,"props":650,"children":651},{},[652],{"type":15,"value":653},"They record dozens of frames in rapid succession",{"type":9,"tag":65,"props":655,"children":656},{},[657],{"type":15,"value":658},"Beam-induced motion is computationally tracked",{"type":9,"tag":65,"props":660,"children":661},{},[662],{"type":15,"value":663},"Movements are reversed in software",{"type":9,"tag":65,"props":665,"children":666},{},[667],{"type":15,"value":668},"Images are aligned and averaged",{"type":9,"tag":18,"props":670,"children":671},{},[672],{"type":15,"value":673},"The article compares this to:",{"type":9,"tag":40,"props":675,"children":676},{},[677],{"type":9,"tag":18,"props":678,"children":679},{},[680],{"type":15,"value":681},"The corrective optics of the Hubble telescope.",{"type":9,"tag":18,"props":683,"children":684},{},[685],{"type":15,"value":686},"The impact was dramatic.",{"type":9,"tag":128,"props":688,"children":689},{},[],{"type":9,"tag":10,"props":691,"children":693},{"id":692},"️-software-the-other-half-of-the-revolution",[694],{"type":15,"value":695},"🖥️ Software: The Other Half of the Revolution",{"type":9,"tag":18,"props":697,"children":698},{},[699],{"type":15,"value":700},"Hardware alone was not enough.",{"type":9,"tag":18,"props":702,"children":703},{},[704],{"type":15,"value":705},"At the same time:",{"type":9,"tag":61,"props":707,"children":708},{},[709,719],{"type":9,"tag":65,"props":710,"children":711},{},[712,717],{"type":9,"tag":22,"props":713,"children":714},{},[715],{"type":15,"value":716},"Maximum likelihood image processing algorithms",{"type":15,"value":718}," became available.",{"type":9,"tag":65,"props":720,"children":721},{},[722],{"type":15,"value":723},"These allow objective classification and averaging of hundreds of thousands of particle images.",{"type":9,"tag":18,"props":725,"children":726},{},[727],{"type":15,"value":728},"This is critical because:",{"type":9,"tag":18,"props":730,"children":731},{},[732],{"type":15,"value":733},"Cryo-EM works by:",{"type":9,"tag":393,"props":735,"children":736},{},[737,742,747,752],{"type":9,"tag":65,"props":738,"children":739},{},[740],{"type":15,"value":741},"Imaging thousands to millions of individual particles",{"type":9,"tag":65,"props":743,"children":744},{},[745],{"type":15,"value":746},"Aligning them computationally",{"type":9,"tag":65,"props":748,"children":749},{},[750],{"type":15,"value":751},"Averaging them",{"type":9,"tag":65,"props":753,"children":754},{},[755],{"type":15,"value":756},"Reconstructing a 3D map",{"type":9,"tag":18,"props":758,"children":759},{},[760],{"type":15,"value":761},"The new software made:",{"type":9,"tag":61,"props":763,"children":764},{},[765,770,775],{"type":9,"tag":65,"props":766,"children":767},{},[768],{"type":15,"value":769},"Alignment more reliable",{"type":9,"tag":65,"props":771,"children":772},{},[773],{"type":15,"value":774},"Averaging statistically rigorous",{"type":9,"tag":65,"props":776,"children":777},{},[778],{"type":15,"value":779},"High resolution achievable",{"type":9,"tag":128,"props":781,"children":782},{},[],{"type":9,"tag":10,"props":784,"children":786},{"id":785},"why-cryo-em-is-so-powerful",[787],{"type":15,"value":788},"🔬 Why Cryo-EM Is So Powerful",{"type":9,"tag":18,"props":790,"children":791},{},[792],{"type":15,"value":793},"Cryo-EM has several advantages over crystallography:",{"type":9,"tag":186,"props":795,"children":797},{"id":796},"_1️⃣-no-crystals-needed",[798],{"type":15,"value":799},"1️⃣ No Crystals Needed",{"type":9,"tag":18,"props":801,"children":802},{},[803],{"type":15,"value":804},"Many proteins:",{"type":9,"tag":61,"props":806,"children":807},{},[808,813,818,823],{"type":9,"tag":65,"props":809,"children":810},{},[811],{"type":15,"value":812},"Don’t crystallize",{"type":9,"tag":65,"props":814,"children":815},{},[816],{"type":15,"value":817},"Are flexible",{"type":9,"tag":65,"props":819,"children":820},{},[821],{"type":15,"value":822},"Are membrane proteins",{"type":9,"tag":65,"props":824,"children":825},{},[826],{"type":15,"value":827},"Are heterogeneous",{"type":9,"tag":18,"props":829,"children":830},{},[831],{"type":15,"value":832},"Cryo-EM works without crystals.",{"type":9,"tag":128,"props":834,"children":835},{},[],{"type":9,"tag":186,"props":837,"children":839},{"id":838},"_2️⃣-small-sample-amounts-needed",[840],{"type":15,"value":841},"2️⃣ Small Sample Amounts Needed",{"type":9,"tag":18,"props":843,"children":844},{},[845],{"type":15,"value":846},"This is huge for:",{"type":9,"tag":61,"props":848,"children":849},{},[850,855,860],{"type":9,"tag":65,"props":851,"children":852},{},[853],{"type":15,"value":854},"Rare complexes",{"type":9,"tag":65,"props":856,"children":857},{},[858],{"type":15,"value":859},"Difficult-to-isolate systems",{"type":9,"tag":65,"props":861,"children":862},{},[863],{"type":15,"value":864},"Fragile assemblies",{"type":9,"tag":128,"props":866,"children":867},{},[],{"type":9,"tag":186,"props":869,"children":871},{"id":870},"_3️⃣-heterogeneity-is-not-a-problem",[872],{"type":15,"value":873},"3️⃣ Heterogeneity Is Not a Problem",{"type":9,"tag":18,"props":875,"children":876},{},[877],{"type":15,"value":878},"Because particles are classified computationally:",{"type":9,"tag":61,"props":880,"children":881},{},[882,887],{"type":9,"tag":65,"props":883,"children":884},{},[885],{"type":15,"value":886},"Different conformations can be separated",{"type":9,"tag":65,"props":888,"children":889},{},[890],{"type":15,"value":891},"Structural states can be reconstructed individually",{"type":9,"tag":18,"props":893,"children":894},{},[895],{"type":15,"value":896},"This is extremely powerful for dynamic systems.",{"type":9,"tag":128,"props":898,"children":899},{},[],{"type":9,"tag":10,"props":901,"children":903},{"id":902},"what-about-x-ray-crystallography",[904],{"type":15,"value":905},"🧊 What About X-Ray Crystallography?",{"type":9,"tag":18,"props":907,"children":908},{},[909],{"type":15,"value":910},"Does this mean crystallography is dead?",{"type":9,"tag":18,"props":912,"children":913},{},[914],{"type":15,"value":915},"The author clearly says:",{"type":9,"tag":18,"props":917,"children":918},{},[919],{"type":9,"tag":22,"props":920,"children":921},{},[922],{"type":15,"value":923},"No.",{"type":9,"tag":18,"props":925,"children":926},{},[927],{"type":15,"value":928},"For:",{"type":9,"tag":61,"props":930,"children":931},{},[932,937],{"type":9,"tag":65,"props":933,"children":934},{},[935],{"type":15,"value":936},"Small proteins (\u003C100 kDa)",{"type":9,"tag":65,"props":938,"children":939},{},[940],{"type":15,"value":941},"Ultra-high resolution (≤ 2 Å)",{"type":9,"tag":18,"props":943,"children":944},{},[945],{"type":15,"value":946},"X-ray crystallography still dominates.",{"type":9,"tag":18,"props":948,"children":949},{},[950],{"type":15,"value":951},"But for:",{"type":9,"tag":61,"props":953,"children":954},{},[955,960,965,970],{"type":9,"tag":65,"props":956,"children":957},{},[958],{"type":15,"value":959},"Large complexes",{"type":9,"tag":65,"props":961,"children":962},{},[963],{"type":15,"value":964},"Fragile structures",{"type":9,"tag":65,"props":966,"children":967},{},[968],{"type":15,"value":969},"Membrane proteins",{"type":9,"tag":65,"props":971,"children":972},{},[973],{"type":15,"value":974},"Flexible systems",{"type":9,"tag":18,"props":976,"children":977},{},[978],{"type":15,"value":979},"Cryo-EM is transformative.",{"type":9,"tag":128,"props":981,"children":982},{},[],{"type":9,"tag":10,"props":984,"children":986},{"id":985},"cryo-electron-tomography-the-next-frontier",[987],{"type":15,"value":988},"🧬 Cryo-Electron Tomography: The Next Frontier",{"type":9,"tag":18,"props":990,"children":991},{},[992],{"type":15,"value":993},"The article also mentions:",{"type":9,"tag":28,"props":995,"children":997},{"id":996},"cryo-et-electron-cryo-tomography",[998],{"type":15,"value":999},"Cryo-ET (Electron Cryo-Tomography)",{"type":9,"tag":18,"props":1001,"children":1002},{},[1003],{"type":15,"value":1004},"This allows:",{"type":9,"tag":61,"props":1006,"children":1007},{},[1008,1013,1018,1023],{"type":9,"tag":65,"props":1009,"children":1010},{},[1011],{"type":15,"value":1012},"Imaging 3D volumes",{"type":9,"tag":65,"props":1014,"children":1015},{},[1016],{"type":15,"value":1017},"Whole cells",{"type":9,"tag":65,"props":1019,"children":1020},{},[1021],{"type":15,"value":1022},"Organelles (like mitochondria)",{"type":9,"tag":65,"props":1024,"children":1025},{},[1026],{"type":15,"value":1027},"Cellular compartments",{"type":9,"tag":18,"props":1029,"children":1030},{},[1031],{"type":15,"value":1032},"With new detectors:",{"type":9,"tag":61,"props":1034,"children":1035},{},[1036,1041],{"type":9,"tag":65,"props":1037,"children":1038},{},[1039],{"type":15,"value":1040},"Subnanometer detail becomes achievable",{"type":9,"tag":65,"props":1042,"children":1043},{},[1044],{"type":15,"value":1045},"Molecular features inside cells can be averaged",{"type":9,"tag":18,"props":1047,"children":1048},{},[1049],{"type":15,"value":1050},"This pushes structural biology into cellular context.",{"type":9,"tag":128,"props":1052,"children":1053},{},[],{"type":9,"tag":10,"props":1055,"children":1057},{"id":1056},"what-makes-cryo-em-maps-so-good",[1058],{"type":15,"value":1059},"📊 What Makes Cryo-EM Maps So Good?",{"type":9,"tag":18,"props":1061,"children":1062},{},[1063],{"type":15,"value":1064},"Interestingly, the article notes:",{"type":9,"tag":18,"props":1066,"children":1067},{},[1068],{"type":15,"value":1069},"Cryo-EM structures at the same nominal resolution often:",{"type":9,"tag":61,"props":1071,"children":1072},{},[1073],{"type":9,"tag":65,"props":1074,"children":1075},{},[1076],{"type":15,"value":1077},"Look clearer than X-ray structures",{"type":9,"tag":18,"props":1079,"children":1080},{},[1081],{"type":15,"value":1082},"Why?",{"type":9,"tag":18,"props":1084,"children":1085},{},[1086],{"type":15,"value":1087},"Because:",{"type":9,"tag":61,"props":1089,"children":1090},{},[1091,1096],{"type":9,"tag":65,"props":1092,"children":1093},{},[1094],{"type":15,"value":1095},"Cryo-EM contains high-quality phase information",{"type":9,"tag":65,"props":1097,"children":1098},{},[1099],{"type":15,"value":1100},"X-ray crystallography requires indirect phase determination",{"type":9,"tag":18,"props":1102,"children":1103},{},[1104],{"type":15,"value":1105},"This is a subtle but important point.",{"type":9,"tag":128,"props":1107,"children":1108},{},[],{"type":9,"tag":10,"props":1110,"children":1112},{"id":1111},"why-this-is-called-a-resolution-revolution",[1113],{"type":15,"value":1114},"🎉 Why This Is Called a “Resolution Revolution”",{"type":9,"tag":18,"props":1116,"children":1117},{},[1118],{"type":15,"value":1119},"Before 2013–2014:",{"type":9,"tag":61,"props":1121,"children":1122},{},[1123],{"type":9,"tag":65,"props":1124,"children":1125},{},[1126],{"type":15,"value":1127},"Cryo-EM ≈ medium resolution technique",{"type":9,"tag":18,"props":1129,"children":1130},{},[1131],{"type":15,"value":1132},"After:",{"type":9,"tag":61,"props":1134,"children":1135},{},[1136,1141,1146,1151,1156],{"type":9,"tag":65,"props":1137,"children":1138},{},[1139],{"type":15,"value":1140},"Near-atomic resolution routinely achievable",{"type":9,"tag":65,"props":1142,"children":1143},{},[1144],{"type":15,"value":1145},"Side chains visible",{"type":9,"tag":65,"props":1147,"children":1148},{},[1149],{"type":15,"value":1150},"Ions visible",{"type":9,"tag":65,"props":1152,"children":1153},{},[1154],{"type":15,"value":1155},"Secondary structure clear",{"type":9,"tag":65,"props":1157,"children":1158},{},[1159],{"type":15,"value":1160},"Large complexes solved quickly",{"type":9,"tag":18,"props":1162,"children":1163},{},[1164],{"type":15,"value":1165},"The field transitioned from:",{"type":9,"tag":40,"props":1167,"children":1168},{},[1169],{"type":9,"tag":18,"props":1170,"children":1171},{},[1172],{"type":15,"value":1173},"“Low-resolution blob maps”",{"type":9,"tag":18,"props":1175,"children":1176},{},[1177],{"type":15,"value":1178},"to",{"type":9,"tag":40,"props":1180,"children":1181},{},[1182],{"type":9,"tag":18,"props":1183,"children":1184},{},[1185],{"type":15,"value":1186},"“Atomic-detail structural biology”",{"type":9,"tag":128,"props":1188,"children":1189},{},[],{"type":9,"tag":10,"props":1191,"children":1193},{"id":1192},"big-takeaways",[1194],{"type":15,"value":1195},"🏁 Big Takeaways",{"type":9,"tag":186,"props":1197,"children":1199},{"id":1198},"cryo-em-entered-the-atomic-resolution-era",[1200],{"type":15,"value":1201},"🔹 Cryo-EM entered the atomic-resolution era.",{"type":9,"tag":186,"props":1203,"children":1205},{"id":1204},"direct-electron-detectors-were-the-key-breakthrough",[1206],{"type":15,"value":1207},"🔹 Direct electron detectors were the key breakthrough.",{"type":9,"tag":186,"props":1209,"children":1211},{"id":1210},"motion-correction-changed-everything",[1212],{"type":15,"value":1213},"🔹 Motion correction changed everything.",{"type":9,"tag":186,"props":1215,"children":1217},{"id":1216},"powerful-image-processing-software-was-equally-important",[1218],{"type":15,"value":1219},"🔹 Powerful image-processing software was equally important.",{"type":9,"tag":186,"props":1221,"children":1223},{"id":1222},"large-complexes-no-longer-require-crystallization",[1224],{"type":15,"value":1225},"🔹 Large complexes no longer require crystallization.",{"type":9,"tag":186,"props":1227,"children":1229},{"id":1228},"structural-biology-expanded-dramatically",[1230],{"type":15,"value":1231},"🔹 Structural biology expanded dramatically.",{"type":9,"tag":186,"props":1233,"children":1235},{"id":1234},"x-ray-crystallography-remains-important-but-cryo-em-dominates-large-complexes",[1236],{"type":15,"value":1237},"🔹 X-ray crystallography remains important, but cryo-EM dominates large complexes.",{"type":9,"tag":128,"props":1239,"children":1240},{},[],{"type":9,"tag":10,"props":1242,"children":1244},{"id":1243},"why-this-matters-for-you",[1245],{"type":15,"value":1246},"🧠 Why This Matters for You",{"type":9,"tag":18,"props":1248,"children":1249},{},[1250],{"type":15,"value":1251},"If you are studying:",{"type":9,"tag":61,"props":1253,"children":1254},{},[1255,1260,1264,1269,1274],{"type":9,"tag":65,"props":1256,"children":1257},{},[1258],{"type":15,"value":1259},"Ribosomes",{"type":9,"tag":65,"props":1261,"children":1262},{},[1263],{"type":15,"value":969},{"type":9,"tag":65,"props":1265,"children":1266},{},[1267],{"type":15,"value":1268},"Large assemblies",{"type":9,"tag":65,"props":1270,"children":1271},{},[1272],{"type":15,"value":1273},"Structural biology",{"type":9,"tag":65,"props":1275,"children":1276},{},[1277],{"type":15,"value":1278},"Drug design",{"type":9,"tag":18,"props":1280,"children":1281},{},[1282,1284,1289],{"type":15,"value":1283},"You are living in the ",{"type":9,"tag":22,"props":1285,"children":1286},{},[1287],{"type":15,"value":1288},"post-revolution era",{"type":15,"value":366},{"type":9,"tag":18,"props":1291,"children":1292},{},[1293],{"type":15,"value":1294},"Cryo-EM is now:",{"type":9,"tag":61,"props":1296,"children":1297},{},[1298,1303,1308],{"type":9,"tag":65,"props":1299,"children":1300},{},[1301],{"type":15,"value":1302},"A primary structural method",{"type":9,"tag":65,"props":1304,"children":1305},{},[1306],{"type":15,"value":1307},"A Nobel-Prize-level technology (awarded in 2017)",{"type":9,"tag":65,"props":1309,"children":1310},{},[1311],{"type":15,"value":1312},"Central to modern structural biology",1775084303168]