6C1G | pdb_00006c1g

High-Resolution Cryo-EM Structures of Actin-bound Myosin States Reveal the Mechanism of Myosin Force Sensing


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
B [auth R]SCOP2B SuperfamilyEF-hand 8033438 3001983 SCOP2B (2022-06-29)
C [auth A]SCOP2B SuperfamilyActin-like ATPases 8040506 3000092 SCOP2B (2022-06-29)
C [auth A]SCOP2B SuperfamilyActin-like ATPases 8040509 3000092 SCOP2B (2022-06-29)
D [auth B]SCOP2B SuperfamilyActin-like ATPases 8040509 3000092 SCOP2B (2022-06-29)
D [auth B]SCOP2B SuperfamilyActin-like ATPases 8040506 3000092 SCOP2B (2022-06-29)
E [auth C]SCOP2B SuperfamilyActin-like ATPases 8040509 3000092 SCOP2B (2022-06-29)
E [auth C]SCOP2B SuperfamilyActin-like ATPases 8040506 3000092 SCOP2B (2022-06-29)
F [auth D]SCOP2B SuperfamilyActin-like ATPases 8040509 3000092 SCOP2B (2022-06-29)
F [auth D]SCOP2B SuperfamilyActin-like ATPases 8040506 3000092 SCOP2B (2022-06-29)
G [auth E]SCOP2B SuperfamilyActin-like ATPases 8040506 3000092 SCOP2B (2022-06-29)
G [auth E]SCOP2B SuperfamilyActin-like ATPases 8040509 3000092 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth P]KOG0164_1e6c1gP1 A: alpha bundlesX: Myosin VI lever arm (From Topology)H: Myosin VI lever arm (From Topology)T: Myosin VI lever armF: KOG0164_1ECOD (1.6)
A [auth P]Myosin_heade6c1gP2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: Myosin_headECOD (1.6)
B [auth R]EF-hand_7_8e6c1gR2 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_8ECOD (1.6)
B [auth R]EF-hand_7_5e6c1gR1 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_5ECOD (1.6)
C [auth A]Actin_1ste6c1gA1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
C [auth A]Actin_2nde6c1gA2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
D [auth B]Actin_1ste6c1gB2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
D [auth B]Actin_2nde6c1gB1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
E [auth C]Actin_1ste6c1gC1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
E [auth C]Actin_2nde6c1gC2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
F [auth D]Actin_1ste6c1gD1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
F [auth D]Actin_2nde6c1gD2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
G [auth E]Actin_1ste6c1gE2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
G [auth E]Actin_2nde6c1gE1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth P]1.20.5.4820 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces CATH (utative)
B [auth R]1.10.238.10 Mainly Alpha Orthogonal Bundle Recoverin domain 1CATH (utative)
C [auth A]3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
C [auth A]2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
C [auth A]3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
D [auth B]3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
D [auth B]2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
D [auth B]3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
E [auth C]3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
E [auth C]2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
E [auth C]3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
F [auth D]3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
F [auth D]2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
F [auth D]3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
G [auth E]3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
G [auth E]2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
G [auth E]3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth P]PF00612IQ calmodulin-binding motif (IQ)IQ calmodulin-binding motif- Motif
A [auth P]PF00063Myosin head (motor domain) (Myosin_head)Myosin head (motor domain)Domain
B [auth R]PF13499EF-hand domain pair (EF-hand_7)EF-hand domain pairDomain
C [auth A],
D [auth B],
E [auth C],
F [auth D],
G [auth E]
PF00022Actin (Actin)Actin- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth P]Unconventional myosin-Ib
B [auth R]Calmodulin
C [auth A],
D [auth B],
E [auth C],
F [auth D],
G [auth E]
Actin, alpha skeletal muscle