6C1H

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)
ASCOP2B SuperfamilyActin-like ATPases8040509 3000092 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyActin-like ATPases8040506 3000092 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyActin-like ATPases8040506 3000092 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyActin-like ATPases8040509 3000092 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyActin-like ATPases8040506 3000092 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyActin-like ATPases8040509 3000092 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyActin-like ATPases8040506 3000092 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyActin-like ATPases8040509 3000092 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyActin-like ATPases8040506 3000092 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyActin-like ATPases8040509 3000092 SCOP2B (2022-06-29)
G [auth R]SCOP2B SuperfamilyEF-hand8033438 3001983 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AActin_1ste6c1hA2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
AActin_2nde6c1hA1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
BActin_1ste6c1hB2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
BActin_2nde6c1hB1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
CActin_1ste6c1hC2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
CActin_2nde6c1hC1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
DActin_1ste6c1hD1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
DActin_2nde6c1hD2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
EActin_1ste6c1hE2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
EActin_2nde6c1hE1 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 P]KOG0164_1e6c1hP1 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)
F [auth P]Myosin_heade6c1hP2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: Myosin_headECOD (1.6)
G [auth R]EF-hand_7_8e6c1hR1 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_8ECOD (1.6)
G [auth R]EF-hand_7_5e6c1hR2 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_5ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
A2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
A3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
B3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
B2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
B3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
C3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
C2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
C3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
D3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
D2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
D3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)
E3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
E2.30.36.70 Mainly Beta Roll Actin Chain A, domain 2CATH (4.3.0)
E3.90.640.10 Alpha Beta Alpha-Beta Complex Actin Chain A, domain 4CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

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