2024-11-13 REL RCSB RCSB RCSB 2022-09-08 2022-11-23 2022-11-23 2024-11-13 National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI) R01HL036153 United States Helical reconstruction of the human cardiac actin-tropomyosin-myosin complex in the rigor form Doran MH Lehman W Rynkiewicz MJ actin, tropomyosin, myosin, cardiac, MOTOR PROTEIN Doran MH Rynkiewicz MJ Pavadai E Bodt SML Rasicci D Moore JR Yengo CM Bullitt E Lehman W Myosin loop-4 is critical for optimal tropomyosin repositioning on actin during muscle activation and relaxation. J.Gen.Physiol. US 155 2023 36459134 doi:10.1085/jgp.202213274 1540-7748 8efi FULLOVERLAP Human cardiac actin-tropomyosin-beta-myosin II complex in the rigor form. Human cardiac actin-tropomyosin-beta-myosin II complex in the rigor form. 0 1 2 3
Cardiac actomyosin-tropomyosin complex.
 Cardiac F-actin complex 1 2
F-actin forms the backbone of the complex
Sus scrofa Human cardiac myosin II 1 1
The motor domain of the myosin saturates the actin filament.
Homo sapiens Human cardiac tropomyosin 1 3
Tropomyosin wraps around the F-actin core.
Homo sapiens Myosin-7 Homo sapiens 0.223445984 1 Mus musculus LEVO MGDSEMAVFGAAAPYLRKSEKERLEAQTRPFDLKKDVFVPDDKQEFVKAKIVSREGGKVTAETEYGKTVTVKEDQVMQQN PPKFDKIEDMAMLTFLHEPAVLYNLKDRYGSWMIYTYSGLFCVTVNPYKWLPVYTPEVVAAYRGKKRSEAPPHIFSISDN AYQYMLTDRENQSILITGESGAGKTVNTKRVIQYFAVIAAIGDRSKKDQSPGKGTLEDQIIQANPALEAFGNAKTVRNDN SSRFGKFIRIHFGATGKLASADIETYLLEKSRVIFQLKAERDYHIFYQILSNKKPELLDMLLITNNPYDYAFISQGETTV ASIDDAEELMATDNAFDVLGFTSEEKNSMYKLTGAIMHFGNMKFKLKQREEQAEPDGTEEADKSAYLMGLNSADLLKGLC HPRVKVGNEYVTKGQNVQQVIYATGALAKAVYERMFNWMVTRINATLETKQPRQYFIGVLDIAGFEIFDFNSFEQLCINF TNEKLQQFFNHHMFVLEQEEYKKEGIEWTFIDFGMDLQACIDLIEKPMGIMSILEEECMFPKATDMTFKAKLFDNHLGKS ANFQKPRNIKGKPEAHFSLIHYAGIVDYNIIGWLQKNKDPLNETVVGLYQKSSLKLLSTLFANYAGADAPIEKGKGKAKK GSSFQTVSALHRENLNKLMTNLRSTHPHFVRCIIPNETKSPGVMDNPLVMHQLRCNGVLEGIRICRKGFPNRILYGDFRQ RYRILNPAAIPEGQFIDSRKGAEKLLSSLDIDHNQYKFGHTKVFFKAGLLGLLEEMRDERLSRIITRIQAQSRGVLARME YKKLLERRDSLLVIQWNIRAFMGVKNWPWMKLYFKIKPLLKSAEREKEMASMKEEFTRLKEALEKSEARRKELEEKMVSL LQEKNDLQLQVQAEQDNLADAEERCDQLIKNKIQLEAKVKEMNERLEDEEEMNAELTAKKRKLEDECSELKRDIDDLELT LAKVEKEKHATENKVKNLTEEMAGLDEIIAKLTKEKKALQEAHQQALDDLQAEEDKVNTLTKAKVKLEQQVDDLEGSLEQ EKKVRMDLERAKRKLEGDLKLTQESIMDLENDKQQLDERLKKKDFELNALNARIEDEQALGSQLQKKLKELQARIEELEE ELEAERTARAKVEKLRSDLSRELEEISERLEEAGGATSVQIEMNKKREAEFQKMRRDLEEATLQHEATAAALRKKHADSV AELGEQIDNLQRVKQKLEKEKSEFKLELDDVTSNMEQIIKAKANLEKMCRTLEDQMNEHRSKAEETQRSVNDLTSQRAKL QTENGELSRQLDEKEALISQLTRGKLTYTQQLEDLKRQLEEEVKAKNALAHALQSARHDCDLLREQYEEETEAKAELQRV LSKANSEVAQWRTKYETDAIQRTEELEEAKKKLAQRLQEAEEAVEAVNAKCSSLEKTKHRLQNEIEDLMVDVERSNAAAA ALDKKQRNFDKILAEWKQKYEESQSELESSQKEARSLSTELFKLKNAYEESLEHLETFKRENKNLQEEISDLTEQLGSSG KTIHELEKVRKQLEAEKMELQSALEEAEASLEHEEGKILRAQLEFNQIKAEIERKLAEKDEEMEQAKRNHLRVVDSLQTS LDAETRSRNEALRVKKKMEGDLNEMEIQLSHANRMAAEAQKQVKSLQSLLKDTQIQLDDAVRANDDLKENIAIVERRNNL LQAELEELRAVVEQTERSRKLAEQELIETSERVQLLHSQNTSLINQKKKMDADLSQLQTEVEEAVQECRNAEEKAKKAIT DAAMMAEELKKEQDTSAHLERMKKNMEQTIKDLQHRLDEAEQIALKGGKKQLQKLEARVRELENELEAEQKRNAESVKGM RKSERRIKELTYQTEEDRKNLLRLQDLVDKLQLKVKAYKRQAEEAEEQANTNLSKFRKVQHELDEAEERADIAESQVNKL RAKSRDIGTKGLNEE P12883 Actin, alpha cardiac muscle 1 Sus scrofa 0.042064891 5 LEVO MCDDEETTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEAQSKRGILTLKYPIEHGIITN WDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDG VTHNVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSLEK SYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVLSGGTTMYPGIADRMQKEIT ALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWISKQEYDEAGPSIVHRKCF B6VNT8 Tropomyosin alpha-1 chain Homo sapiens 0.032763621 2 Escherichia coli LEVO MDAIKKKMQMLKLDKENALDRAEQAEADKKAAEDRSKQLEDELVSLQKKLKGTEDELDKYSEALKDAQEKLELAEKKATD AEADVASLNRRIQLVEEELDRAQERLATALQKLEEAEKAADESERGMKVIESRAQKDEEKMEIQEIQLKEAKHIAEDADR KYEEVARKLVIIESDLERAEERAELSEGKCAELEEELKTVTNNLKSLEAQAEKYSQKEDRYEEEIKVLSDKLKEAETRAE FAERSVTKLEKSIDDLEDELYAQKLKYKAISEELDHALNDMTSI P09493 ADENOSINE-5'-DIPHOSPHATE 0.000427201 5 ADP MAGNESIUM ION 2.4305e-05 5 MG helical filament 0.13 7.0 Quantifoil R1.2/1.3 GOLD 200 GOLD HOLEY ETHANE 100 283 FEI VITROBOT MARK III TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 0.7000000000000001 2.0 80000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K3 (6k x 4k) 539 539 4 3961 3.12 53.7 1 27.9 -166.4 C1 3.4 FSC 0.143 CUT-OFF RELION 3.1.1 176178 1045903 RELION 3.1.1
Featureless Cylinder
 NOT APPLICABLE RELION 3.1.1 emd_28083.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 440 440 440 0 0 0 440 440 440 474.31998 474.31998 474.31998 90.0 90.0 90.0 X Y Z -0.04460608 0.12564005 0.0003072702 0.004214454 1.078 1.078 1.078 0.0196 AUTHOR Primary map for the human cardiac actin-tropomyosin-beta-myosin II complex in the rigor conformation 6X5Z PDB experimental model OTHER REAL emd_28083_msk_1.map emd_28083_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 440 440 440 0 0 0 440 440 440 474.31998 474.31998 474.31998 90.0 90.0 90.0 X Y Z -0.047135014 0.09882007 -0.000085790125 0.0031417448 1.078 1.078 1.078 AUTHOR Non-locally-filtered version of the primary map. emd_28083_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 440 440 440 0 0 0 440 440 440 474.31998 474.31998 474.31998 90.0 90.0 90.0 X Y Z -0.021529133 0.059221968 -0.00008427279 0.003201346 1.078 1.078 1.078 AUTHOR Half map 1. emd_28083_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 440 440 440 0 0 0 440 440 440 474.31998 474.31998 474.31998 90.0 90.0 90.0 X Y Z -0.022806205 0.06272571 -0.00008730739 0.0032007112 1.078 1.078 1.078 AUTHOR Half map 2.