SMTL ID : 8efh.1

Helical reconstruction of the human cardiac actin-tropomyosin-myosin complex in complex with ADP-Mg2+

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-5-2-mer

Ligands

6 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: K.184, T.185, E.228, S.242 Ligands: ADP.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.185 MG.4: 3 residues within 4Å: Chain B: Q.139, D.156 Ligands: ADP.3 No protein-ligand interaction detected (PLIP) MG.6: 3 residues within 4Å: Chain C: Q.139, D.156 Ligands: ADP.5 No protein-ligand interaction detected (PLIP) MG.8: 3 residues within 4Å: Chain D: Q.139, D.156 Ligands: ADP.7 No protein-ligand interaction detected (PLIP) MG.10: 3 residues within 4Å: Chain E: Q.139, D.156 Ligands: ADP.9 No protein-ligand interaction detected (PLIP) MG.12: 2 residues within 4Å: Chain F: Q.139 Ligands: ADP.11 No protein-ligand interaction detected (PLIP)

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

ADP.2: 15 residues within 4Å: Chain A: N.126, P.127, K.129, Y.134, S.180, G.181, G.183, K.184, T.185, V.186, E.228, N.238, N.240, S.241 Ligands: MG.1 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:N.126, A:Y.134, A:G.181, A:G.183, A:K.184, A:T.185, A:T.185, A:V.186, A:N.238, A:N.240 ADP.3: 14 residues within 4Å: Chain B: G.15, S.16, L.18, K.20, G.158, D.159, K.215, E.216, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.4 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:S.16, B:L.18, B:D.159, B:D.159, B:K.215, B:E.216, B:G.304, B:T.305, B:K.338 Salt bridges: B:K.20, B:K.20 ADP.5: 15 residues within 4Å: Chain C: G.15, S.16, L.18, K.20, G.158, D.159, R.212, K.215, E.216, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.6 12 PLIP interactions: 12 interactions with chain C Hydrogen bonds: C:S.16, C:L.18, C:D.159, C:D.159, C:K.215, C:E.216, C:G.304, C:M.307, C:K.338 Salt bridges: C:K.20, C:K.20 pi-Stacking: C:Y.308 ADP.7: 15 residues within 4Å: Chain D: G.15, S.16, L.18, K.20, G.158, D.159, R.212, K.215, E.216, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.8 8 PLIP interactions: 8 interactions with chain D Hydrogen bonds: D:S.16, D:D.159, D:D.159, D:K.215, D:E.216, D:G.304 Salt bridges: D:K.20, D:K.20 ADP.9: 16 residues within 4Å: Chain E: D.13, G.15, S.16, L.18, K.20, G.158, D.159, R.212, K.215, E.216, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.10 12 PLIP interactions: 12 interactions with chain E Hydrogen bonds: E:D.13, E:S.16, E:D.159, E:D.159, E:K.215, E:E.216, E:G.304, E:M.307, E:K.338 Salt bridges: E:K.20, E:K.20 pi-Stacking: E:Y.308 ADP.11: 15 residues within 4Å: Chain F: D.13, G.15, S.16, L.18, K.20, G.158, D.159, K.215, E.216, G.304, T.305, M.307, Y.308, K.338 Ligands: MG.12 13 PLIP interactions: 13 interactions with chain F Hydrogen bonds: F:S.16, F:D.159, F:D.159, F:K.215, F:E.216, F:G.304, F:T.305, F:M.307, F:K.338, F:K.338 Salt bridges: F:K.20, F:K.20 pi-Stacking: F:Y.308

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Doran, M.H. et al., Conformational changes linked to ADP release from human cardiac myosin bound to actin-tropomyosin. J.Gen.Physiol. (2023)

Release Date

2023-01-11

Peptides

beta-cardiac myosin II: A
Actin, alpha cardiac muscle 1: BCDEF
Tropomyosin alpha-1 chain: GH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
F

C
B

D
C

E
D

F
E

G
O

H
P

beta-cardiac myosin II

Actin, alpha cardiac muscle 1

Tropomyosin alpha-1 chain

Related Entries With Identical Sequence