SMTL ID : 8act.1

structure of the human beta-cardiac myosin folded-back off state

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-2-mer

Ligands

2 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.1: 18 residues within 4Å: Chain A: N.124, P.125, Y.126, K.127, W.128, Y.132, E.177, G.179, A.180, G.181, K.182, T.183, V.184, N.236, N.238, S.240 Ligands: PO4.2, MG.3 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:N.124, A:Y.132, A:Y.132, A:E.177, A:G.179, A:A.180, A:G.181, A:K.182, A:T.183, A:T.183, A:T.183, A:V.184, A:N.236 Salt bridges: A:K.182 ADP.4: 17 residues within 4Å: Chain B: N.124, P.125, Y.126, K.127, W.128, Y.132, S.178, G.179, A.180, G.181, K.182, T.183, V.184, N.236, N.238 Ligands: PO4.5, MG.6 15 PLIP interactions: 15 interactions with chain B Hydrogen bonds: B:N.124, B:Y.132, B:Y.132, B:G.179, B:A.180, B:G.181, B:K.182, B:T.183, B:T.183, B:T.183, B:V.184, B:N.236, B:N.238, B:S.240 Salt bridges: B:K.182

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 11 residues within 4Å: Chain A: E.177, S.178, G.179, K.182, S.239, S.240, A.461, G.462, E.464 Ligands: ADP.1, MG.3 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:E.177, A:G.179, A:S.240, A:S.240, A:G.462, A:E.464, A:E.464 Salt bridges: A:K.182 PO4.5: 9 residues within 4Å: Chain B: S.178, G.179, K.182, S.239, S.240, A.461, G.462 Ligands: ADP.4, MG.6 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:S.178, B:G.179, B:T.183, B:S.240, B:G.462 Salt bridges: B:K.182

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: T.183, S.240 Ligands: ADP.1, PO4.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.240 MG.6: 6 residues within 4Å: Chain B: K.182, T.183, N.238, S.240 Ligands: ADP.4, PO4.5 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:T.183, B:S.240

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Grinzato, A. et al., Cryo-EM structure of the folded-back state of human beta-cardiac myosin. Nat Commun (2023)

Release Date

2023-06-07

Peptides

Myosin-7: AB
Myosin light chain 3: CD
Myosin regulatory light chain 2, ventricular/cardiac muscle isoform: EF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

Myosin-7

Myosin light chain 3

Myosin regulatory light chain 2, ventricular/cardiac muscle isoform