SMTL ID : 7mf3.1

Structure of the autoinhibited state of smooth muscle myosin-2

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-2-2-mer

Ligands

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

ADP.1: 13 residues within 4Å: Chain A: N.124, P.125, Y.132, G.179, A.180, G.181, K.182, T.183, N.241, N.243, S.245 Ligands: PO4.2, MG.3 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:N.124, A:Y.132, A:Y.132, A:G.179, A:A.180, A:G.181, A:K.182, A:T.183, A:N.241, A:N.241, A:S.245 Salt bridges: A:K.182 ADP.4: 14 residues within 4Å: Chain B: Y.132, G.179, A.180, G.181, K.182, T.183, E.184, N.185, N.241, N.243, S.244, S.245 Ligands: PO4.5, MG.6 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:Y.132, B:G.181, B:G.181, B:K.182, B:T.183, B:T.183, B:E.184, B:N.185, B:N.243, B:S.245

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

PO4.2: 8 residues within 4Å: Chain A: S.178, G.179, S.244, S.245, R.246, G.467 Ligands: ADP.1, MG.3 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.178, A:G.179, A:S.245, A:G.467 PO4.5: 7 residues within 4Å: Chain B: S.178, G.179, N.243, S.244, S.245 Ligands: ADP.4, MG.6 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:S.178, B:S.244, B:S.245, B:S.245

4 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: T.183, S.245 Ligands: ADP.1, PO4.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:T.183, A:S.245 MG.6: 5 residues within 4Å: Chain B: K.182, T.183, S.245 Ligands: ADP.4, PO4.5 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:S.245 MG.7: 5 residues within 4Å: Chain D: N.43, D.45, F.47, D.49, D.52 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.45, D:F.47, D:D.49, D:D.52 MG.8: 5 residues within 4Å: Chain E: D.41, N.43, D.45, F.47, D.52 3 PLIP interactions: 3 interactions with chain E Metal complexes: E:D.41, E:D.45, E:D.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Heissler, S.M. et al., Cryo-EM structure of the autoinhibited state of myosin-2. Sci Adv (2021)

Release Date

2022-01-05

Peptides

Myosin-11: ABGH
Myosin light polypeptide 6: CF
Myosin regulatory light chain 2, smooth muscle major isoform: DE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

G
G

H
H

C
C

F
F

D
D

E
E

Myosin-11

Myosin light polypeptide 6

Myosin regulatory light chain 2, smooth muscle major isoform

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