2024-03-13 REL RCSB RCSB RCSB 2023-11-16 2024-03-06 2024-03-06 2024-03-13 National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI) R01HL160966 United States National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI) 1R01HL140925 United States The structure of the native cardiac thin filament troponin core in Ca2+-bound fully activated state 1 from the lower strand Galkin VE Risi CM thin filament, troponin, tropomyosin, cryo-EM, muscle structure, MOTOR PROTEIN Risi CM Belknap B Atherton J Coscarella IL White HD Bryant Chase P Pinto JR Galkin VE Troponin Structural Dynamics in the Native Cardiac Thin Filament Revealed by Cryo Electron Microscopy. J.Mol.Biol. UK 436 168498 168498 2024 38387550 doi:10.1016/j.jmb.2024.168498 1089-8638 0070 JMOBAK 8v01 FULLOVERLAP thin filament troponin core complex thin filament troponin core complex 0 1 2 3 4 5 Sus scrofa Actin, alpha cardiac muscle 1 Sus scrofa 0.042064891 2 LEVO MCDDEETTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEAQSKRGILTLKYPIEHGIITN WDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDG VTHNVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSLEK SYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVLSGGTTMYPGIADRMQKEIT ALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWISKQEYDEAGPSIVHRKCF B6VNT8 Troponin C, slow skeletal and cardiac muscles Sus scrofa 0.018433508 1 LEVO MDDIYKAAVEQLTEEQKNEFKAAFDIFVLGAEDGCISTKELGKVMRMLGQNPTPEELQEMIDEVDEDGSGTVDFDEFLVM MVRCMKDDSKGKSEEELSDLFRMFDKNADGYIDLEELKIMLQATGETITEDDIEELMKDGDKNNDGRIDYDEFLEFMKGV E P63317 Troponin I, cardiac muscle Sus scrofa 0.024092679999999998 1 LEVO MADRSGDAAGDSRPAPAPVRRRSSANYRAYATEPHAKKKSKISASRKLQLKTLMLQIAKQELEREAEERRGEKGRALSTR CQPLELAGLSFAELQDLCRQLHARVDKVDEERYDVEAKVTKNITEIADLNQKIFDLRGKFKRPTLRRVRISADAMMQALL GARAKETLDLRAHLKQVKKEDTEKENREVGDWRKNIDALSGMEGRKKKFEG A0A4X1V710 Troponin T2, cardiac type Sus scrofa 0.033941738 1 LEVO MSDVEETVDEYEEEQEEGAAEEQEEAVEEEAGGEAEAEEANAEEAGQEEDGREAEDGPMEESKPKPRLFMPNLVPPKIPD GERVDFDDIHRKRMKDLNELQTLIEAHFENRKKEEELVSLKDRIEKRRAERAEQQRIRTEREKERQTRLAEERARREEEE NRRKAEDEARKKKALSNMMHFGGYIQKQAQTERKSGKRQTEREKKKKILAERRKVLAIDHLNEDQLREKAKELWQSIYNL EAEKFDLQEKFKQQKYEINVLRNRINDNQKVSKTRGKAKVTGRWK A0A5G2Q8N0 Tropomyosin alpha-1 chain Sus scrofa 0.032762655999999994 2 LEVO MDAIKKKMQMLKLDKENALDRAEQAEADKKAAEDRSKRLEDELVSLQKKLKATEDELDKYSEAPKDAQEKLELAEKKATD AEADVASLNRRIQLVEEELDRAQERLATALQKLEEAEKAADESERGMKVIESRAQKDEEKMEIQEIQLKEAKHIAEDADR KYEEVARKLVIIESDLERAEERAELSEGKCAELEEELKTVTNNLKSLEAQAEKYSQKEDKYEEEIKVLSDKLKEAETRAE FAERSVTKLEKSIDDLEDELYAQKLKYKAISEELDHALNDMTSI P42639 ADENOSINE-5'-DIPHOSPHATE 0.000427201 2 ADP MAGNESIUM ION 2.4305e-05 2 MG CALCIUM ION 4.0078e-05 3 CA singleParticle filament 7.2 EMS Lacey Carbon COPPER 300 GLOW DISCHARGE ETHANE 100 278 FEI VITROBOT MARK IV
non-helical filament
 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.5 3.5 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K3 (6k x 4k) 24179 34.0 1 8888787 7KO5
Model filtered to 30A resolution
 5.5 FSC 0.143 CUT-OFF RELION 4.0
Filtered to 7A
58709 PROJECTION MATCHING RELION PROJECTION MATCHING RELION 4 RELION 4.0
Unsupervised 3D sorting
 emd_42849.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 324 324 324 0 0 0 324 324 324 439.344 439.344 439.344 90.0 90.0 90.0 X Y Z -4.250403 10.336874 0.00014199312 0.13383704 1.356 1.356 1.356 0.9 AUTHOR map 7KO5 PDB experimental model 7UTI PDB experimental model 8DDO PDB experimental model FLEXIBLE FIT REAL emd_42849_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 324 324 324 0 0 0 324 324 324 439.344 439.344 439.344 90.0 90.0 90.0 X Y Z -0.01755741 0.060611848 0.0000936903 0.0020838068 1.356 1.356 1.356 AUTHOR half2 emd_42849_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 324 324 324 0 0 0 324 324 324 439.344 439.344 439.344 90.0 90.0 90.0 X Y Z -0.015632603 0.06386127 0.00009885827 0.0020763366 1.356 1.356 1.356 AUTHOR half1