7PLZ: Actomyosin-V complex in the rigor state

Cryo-EM structure of the actomyosin-V complex in the rigor state (central 3er/2er, young JASP-stabilized F-actin). Determined by electron microscopy at 3.2 Å resolution. Released 22 Dec 2021.

Method
Electron microscopy
Resolution
3.2 Å
Organisms
Gallus gallus, Oryctolagus cuniculus, Homo sapiens
Chains
7
Atoms
23,278
Mol. weight
347.01 kDa
Ligands
9UE, MG, PO4, ADP
Released
22 Dec 2021

Explore 7PLZ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7PLZ contains 167 α-helices and 124 β-strands across 7 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 38 helices, 28 β-strands

ElementResiduesLengthSheet
β-strand12-1651
β-strand22-2761
β-strand37-4151
β-strand47-5151
α-helix60-612
β-strand6211
α-helix63-653
β-strand7312
α-helix74-763
α-helix82-9110
α-helix92-965
β-strand100-10342
β-strand106-11052
α-helix121-1277
α-helix139-15214
β-strand157-16262
α-helix165-1673
α-helix169-18416
α-helix193-20715
β-strand208-20923
β-strand21014
β-strand217-21823
β-strand221-22882
β-strand234-24292
α-helix247-2504
β-strand25714
α-helix260-2678
α-helix273-2775
α-helix286-2894
α-helix2961
α-helix301-31414
α-helix319-33618
β-strand341-34445
β-strand347-34935
α-helix350-3512
α-helix355-36410
α-helix368-3747
β-strand377-38156
β-strand386-39056
α-helix393-42331
α-helix428-4292
β-strand431-43772
α-helix449-47931
α-helix484-4863
α-helix493-5008
α-helix505-51410
α-helix520-53112
β-strand538-53927
β-strand547-55157
β-strand556-56057
α-helix564-5685
α-helix574-5818
α-helix588-5925
α-helix631-6333
α-helix636-65217
β-strand65512
β-strand658-66252
α-helix675-68410
α-helix687-6959
β-strand700-70348
α-helix704-7118
α-helix724-73512
α-helix739-7413
β-strand742-74438
β-strand748-75148
α-helix755-79137
Chain B: 10 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix6-1914
β-strand26-28314
α-helix29-3810
α-helix45-528
α-helix57-626
β-strand64-66314
α-helix67-7812
α-helix87-959
β-strand105115
α-helix106-11510
α-helix119-1213
α-helix122-1298
β-strand133116
β-strand138115
β-strand139116
α-helix141-1499
Chain C: 24 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix6-72
β-strand8-1149
β-strand17-2159
β-strand29-3139
β-strand35-38410
β-strand53-54210
α-helix56-605
α-helix62-643
β-strand65-68410
β-strand71-72211
β-strand75-76211
α-helix79-879
α-helix88-947
α-helix98-1003
β-strand103-10759
α-helix113-12614
β-strand131-13669
α-helix137-1459
β-strand149-155712
β-strand160-166712
β-strand169-170212
α-helix172-1743
β-strand176-178312
α-helix182-19312
α-helix194-1963
α-helix203-21614
α-helix223-23210
β-strand238-241413
β-strand247-250413
α-helix253-2597
α-helix264-2663
α-helix274-28310
α-helix290-2956
β-strand297-300412
α-helix302-3043
α-helix309-32012
β-strand330112
α-helix333-3364
α-helix338-34811
α-helix351-3544
β-strand357-35829
α-helix359-3657
α-helix369-3735
Chain D: 37 helices, 28 β-strands
ElementResiduesLengthSheet
β-strand11-16617
β-strand22-27617
β-strand37-41517
β-strand47-51517
α-helix60-612
β-strand62117
α-helix63-653
β-strand73118
α-helix74-763
α-helix82-9615
β-strand100-103418
β-strand106-110518
α-helix121-1277
α-helix139-15214
β-strand157-162618
α-helix165-1673
α-helix169-18416
α-helix193-20715
β-strand208-209219
β-strand210120
β-strand217-218219
β-strand221-228818
β-strand234-242918
α-helix247-2504
β-strand257120
α-helix260-2678
α-helix273-2775
α-helix286-2894
α-helix2961
α-helix301-31414
α-helix319-33618
β-strand341-344421
β-strand347-349321
α-helix350-3512
α-helix355-36410
α-helix368-3747
β-strand377-381522
β-strand386-390522
α-helix393-42331
α-helix428-4292
β-strand431-438818
α-helix449-47931
α-helix484-4863
α-helix493-5008
α-helix505-51410
α-helix520-53112
β-strand538-539223
β-strand547-551523
β-strand556-560523
α-helix564-5685
α-helix574-5818
α-helix588-5925
α-helix631-6333
α-helix636-65217
β-strand655118
β-strand658-662518
α-helix675-68410
α-helix687-69610
β-strand700-703424
α-helix704-7118
α-helix724-73512
α-helix739-7413
β-strand742-744324
β-strand748-751424
α-helix755-79137
Chain E: 10 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix6-1914
β-strand26-28330
α-helix29-3810
α-helix45-528
α-helix57-626
β-strand64-66330
α-helix67-7812
α-helix87-959
β-strand103-105331
α-helix106-11510
α-helix119-1213
α-helix122-1298
β-strand138-140331
α-helix141-1499
Chain F: 24 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix6-72
β-strand8-11425
β-strand17-21525
β-strand29-31325
β-strand35-38426
β-strand53-54226
α-helix56-605
α-helix62-643
β-strand65-68426
β-strand71-72227
β-strand75-76227
α-helix79-879
α-helix88-936
α-helix98-1003
β-strand103-107525
α-helix113-12614
β-strand131-136625
α-helix137-1459
β-strand149-155728
β-strand160-166728
β-strand169-170228
α-helix172-1743
β-strand176-178328
α-helix182-19312
α-helix194-1963
α-helix203-21614
α-helix223-23210
β-strand238-241429
β-strand247-250429
α-helix253-2597
α-helix264-2663
α-helix274-28310
α-helix290-2956
β-strand297-300428
α-helix302-3043
α-helix309-32012
β-strand330128
α-helix333-3364
α-helix338-34811
α-helix351-3544
β-strand357-358225
α-helix359-3657
α-helix369-3735
Chain G: 24 helices, 20 β-strands
ElementResiduesLengthSheet
α-helix6-72
β-strand8-11432
β-strand16-21632
β-strand29-32432
β-strand35-38433
β-strand42128
β-strand53-54233
α-helix56-605
α-helix62-643
β-strand65-68433
β-strand71-72234
β-strand75-76234
α-helix79-879
α-helix88-947
α-helix98-1003
β-strand103-107532
α-helix113-1219
α-helix122-1265
β-strand131-136632
α-helix137-1459
β-strand149-155735
β-strand160-166735
β-strand169-170235
α-helix172-1743
β-strand176-178335
α-helix182-19312
α-helix194-1963
α-helix203-21614
α-helix223-23210
β-strand238-241436
β-strand247-250436
α-helix253-2597
α-helix264-2663
α-helix274-28310
α-helix290-2956
β-strand297-300435
α-helix302-3043
α-helix309-32012
β-strand330135
α-helix338-34811
α-helix351-3544
β-strand357-358232
α-helix359-3657
α-helix369-3735

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Unconventional myosin-VaA, Dprotein792Gallus gallusQ02440 (AlphaFold model)
Actin, alpha skeletal muscleC, F, Gprotein377Oryctolagus cuniculusP68135 (AlphaFold model)
Myosin light chain 6BB, Eprotein151Homo sapiensP14649 (AlphaFold model)
Sequence of entity 1 (A, D), FASTA
>7PLZ_1 Unconventional myosin-Va (chains A, D)
MAASELYTKYARVWIPDPEEVWKSAELLKDYKPGDKVLQLRLEEGKDLEYCLDPKTKELP
PLRNPDILVGENDLTALSYLHEPAVLHNLKVRFIDSKLIYTYCGIVLVAINPYEQLPIYG
EDIINAYSGQNMGDMDPHIFAVAEEAYKQMARDERNQSIIVSGESGAGKTVSAKYAMRYF
ATVSGSASEANVEEKVLASNPIMESIGNAKTTRNDNSSRFGKYIEIGFDKRYRIIGANMR
TYLLEKSRVVFQAEEERNYHIFYQLCASAALPEFKTLRLGNANYFHYTKQGGSPVIDGID
DAKEMVNTRQACTLLGISDSYQMGIFRILAGILHLGNVEFASRDSDSCAIPPKHDPLTIF
CDLMGVDYEEMAHWLCHRKLATATETYIKPISKLHAINARDALAKHIYANLFNWIVDHVN
KALHSTVKQHSFIGVLDIYGFETFEINSFEQFCINYANEKLQQQFNMHVFKLEQEEYMKE
QIPWTLIDFYDNQPCINLIEAKMGVLDLLDEECKMPKGSDDTWAQKLYNTHLNKCALFEK
PRLSNKAFIIKHFADKVEYQCEGFLEKNKDTVYEEQIKVLKSSKKFKLLPELFQDEEKAI
SPTSATPSGRVPLSRTPVKPAKARPGQTSKEHKKTVGHQFRNSLHLLMETLNATTPHYVR
CIKPNDFKFPFTFDEKRAVQQLRACGVLETIRISAAGFPSRWTYQEFFSRYRVLMKQKDV
LSDRKQTCKNVLEKLILDKDKYQFGKTKIFFRAGQVAYLEKIRADKLRAACIRIQKTIRG
WLMRKKYMRMRR
Sequence of entity 2 (C, F, G), FASTA
>7PLZ_2 Actin, alpha skeletal muscle (chains C, F, G)
MCDEDETTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEA
QSKRGILTLKYPIEHGIITNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREK
MTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDGVTHNVPIYEGYALPHAIMRL
DLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSLEK
SYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNV
MSGGTTMYPGIADRMQKEITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWIT
KQEYDEAGPSIVHRKCF
Sequence of entity 3 (B, E), FASTA
>7PLZ_3 Myosin light chain 6B (chains B, E)
MIEFNKDQLEEFKEAFELFDRVGDGKILYSQCGDVMRALGQNPTNAEVLKVLGNPKSDEL
KSRRVDFETFLPMLQAVAKNRGQGTYEDYLEGFRVFDKEGNGKVMGAELRHVLTTLGEKM
TEEEVETVLAGHEDSNGCINYEAFLKHILSV

Ligands and cofactors

IDNameFormulaCopies
9UEJasplakinolideC36 H45 Br N4 O63
MGMagnesium ionMg3
PO4Phosphate ionO4 P3
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P23

Primary citation

High-resolution structures of the actomyosin-V complex in three nucleotide states provide insights into the force generation mechanism. Pospich, S., Sweeney, H.L., Houdusse, A. et al. Elife (2021) 10. DOI 10.7554/eLife.73724 · PubMed

Other PDB entries of the same protein (UniProt Q02440 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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