SMTL ID : 6x5z.1

Bovine Cardiac Myosin in Complex with Chicken Skeletal Actin and Human Cardiac Tropomyosin in the Rigor State

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-3-2-3-mer

Ligands

3 x ADP: ADENOSINE-5'-DIPHOSPHATE(Covalent)

ADP.1: 14 residues within 4Å: Chain A: D.13, G.15, G.17, L.18, K.20, S.157, G.158, D.159, G.160, E.216, G.304, T.305, Y.308 Ligands: MG.2 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:D.13, A:G.17, A:D.159, A:D.159, A:G.160, A:K.215, A:E.216, A:G.304, A:T.305 Salt bridges: A:K.20 ADP.3: 14 residues within 4Å: Chain E: D.13, G.15, G.17, L.18, K.20, S.157, G.158, D.159, G.160, E.216, G.304, T.305, Y.308 Ligands: MG.4 10 PLIP interactions: 10 interactions with chain E Hydrogen bonds: E:D.13, E:G.17, E:D.159, E:D.159, E:G.160, E:K.215, E:E.216, E:G.304, E:T.305 Salt bridges: E:K.20 ADP.5: 14 residues within 4Å: Chain G: D.13, G.15, G.17, L.18, K.20, S.157, G.158, D.159, G.160, E.216, G.304, T.305, Y.308 Ligands: MG.6 10 PLIP interactions: 10 interactions with chain G Hydrogen bonds: G:D.13, G:G.17, G:D.159, G:D.159, G:G.160, G:K.215, G:E.216, G:G.304, G:T.305 Salt bridges: G:K.20

3 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: G.15, G.17, L.18 Ligands: ADP.1 No protein-ligand interaction detected (PLIP) MG.4: 4 residues within 4Å: Chain E: G.15, G.17, L.18 Ligands: ADP.3 No protein-ligand interaction detected (PLIP) MG.6: 4 residues within 4Å: Chain G: G.15, G.17, L.18 Ligands: ADP.5 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Doran, M.H. et al., Cryo-EM and Molecular Docking Shows Myosin Loop 4 Contacts Actin and Tropomyosin on Thin Filaments. Biophys.J. (2020)

Release Date

2020-07-22

Peptides

Actin, alpha skeletal muscle: AEG
Tropomyosin alpha-1 chain: BD
Myosin-7: CFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

E
A

G
C

B
O

D
P

C
G

F
D

H
J

Actin, alpha skeletal muscle

Tropomyosin alpha-1 chain

Myosin-7

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