SMTL ID : 7jh7.1

cardiac actomyosin complex

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-5-3-2-mer

Ligands

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

ADP.1: 18 residues within 4Å: Chain A: G.15, S.16, L.18, K.20, G.158, D.159, G.160, G.184, R.212, K.215, E.216, G.303, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.2 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:S.16, A:L.18, A:L.18, A:D.159, A:D.159, A:G.160, A:K.215, A:G.304, A:M.307, A:K.338 Salt bridges: A:K.20, A:K.20 ADP.3: 15 residues within 4Å: Chain C: S.16, L.18, K.20, D.159, G.160, R.212, K.215, E.216, G.303, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.4 13 PLIP interactions: 13 interactions with chain C Hydrogen bonds: C:S.16, C:L.18, C:L.18, C:D.159, C:D.159, C:G.160, C:R.212, C:K.215, C:G.304, C:K.338 Salt bridges: C:K.20, C:K.20, C:K.338 ADP.5: 17 residues within 4Å: Chain E: G.15, S.16, L.18, K.20, G.158, D.159, G.160, G.184, R.212, K.215, G.303, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.6 14 PLIP interactions: 14 interactions with chain E Hydrogen bonds: E:S.16, E:L.18, E:L.18, E:D.159, E:D.159, E:G.160, E:K.215, E:G.304, E:T.305, E:M.307, E:K.338 Salt bridges: E:K.20, E:K.20 pi-Stacking: E:Y.308 ADP.7: 16 residues within 4Å: Chain G: G.15, S.16, L.18, K.20, D.159, G.160, G.184, R.212, K.215, G.303, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.8 14 PLIP interactions: 14 interactions with chain G Hydrogen bonds: G:S.16, G:L.18, G:L.18, G:D.159, G:D.159, G:G.160, G:K.215, G:G.304, G:T.305, G:M.307, G:K.338 Salt bridges: G:K.20, G:K.20 pi-Stacking: G:Y.308 ADP.9: 15 residues within 4Å: Chain H: G.15, S.16, L.18, K.20, D.159, R.212, K.215, E.216, G.303, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.10 12 PLIP interactions: 12 interactions with chain H Hydrogen bonds: H:S.16, H:S.16, H:L.18, H:L.18, H:D.159, H:D.159, H:G.160, H:G.304, H:M.307, H:K.338 Salt bridges: H:K.20, H:K.20

5 x MG: MAGNESIUM ION(Non-functional Binders)(Non-covalent)

MG.2: 1 residues within 4Å: Ligands: ADP.1 No protein-ligand interaction detected (PLIP) MG.4: 1 residues within 4Å: Ligands: ADP.3 No protein-ligand interaction detected (PLIP) MG.6: 4 residues within 4Å: Chain E: Q.139, D.156, V.341 Ligands: ADP.5 No protein-ligand interaction detected (PLIP) MG.8: 4 residues within 4Å: Chain G: Q.139, D.156, V.341 Ligands: ADP.7 No protein-ligand interaction detected (PLIP) MG.10: 1 residues within 4Å: Ligands: ADP.9 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Risi, C. et al., High-Resolution Cryo-EM Structure of the Cardiac Actomyosin Complex. Structure (2021)

Release Date

2020-10-28

Peptides

Actin, alpha cardiac muscle 1: ACEGH
Myosin-7: BDF
tropomyosin: IJ

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
B

E
C

G
E

H
D

B
F

D
G

F
H

I
I

J
J

Actin, alpha cardiac muscle 1

Myosin-7

tropomyosin

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