SMTL ID : 3w5b.1

Crystal structure of the recombinant SERCA1a (calcium pump of fast twitch skeletal muscle) in the E1.Mg2+ state

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

monomer

Ligands

1 x NA: SODIUM ION(Non-functional Binders)

NA.1: 5 residues within 4Å: Chain A: L.717, K.718, A.720, A.736, E.738 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.738

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

MG.2: 6 residues within 4Å: Chain A: A.311, A.312, N.774, E.777, N.802, D.806 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:A.311, A:E.777, H2O.7 MG.3: 1 residues within 4Å: Ligands: TM1.4 No protein-ligand interaction detected (PLIP)

1 x TM1: 2',3'-O-[(1R)-2,4,6-TRINITROCYCLOHEXA-2,5-DIENE-1,1-DIYL]ADENOSINE 5'-(DIHYDROGEN PHOSPHATE)(Non-covalent)

TM1.4: 13 residues within 4Å: Chain A: T.359, F.493, R.495, M.500, K.521, R.566, L.568, T.631, G.632, R.684, V.685, E.686 Ligands: MG.3 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.568 Hydrogen bonds: A:R.495, A:E.686 Water bridges: A:D.357, A:D.357 pi-Stacking: A:F.493

4 x PTY: PHOSPHATIDYLETHANOLAMINE(Non-covalent)(Non-functional Binders)

PTY.5: 2 residues within 4Å: Chain A: G.837, W.838 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.837, A:W.838 PTY.6: 3 residues within 4Å: Chain A: M.929, F.992, N.996 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.996, A:N.996 Salt bridges: A:R.995 PTY.7: 3 residues within 4Å: Chain A: W.113, F.815, W.938 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:W.113 PTY.8: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Toyoshima, C. et al., Crystal structures of the calcium pump and sarcolipin in the Mg2+-bound E1 state. Nature (2013)

Release Date

2013-03-06

Peptides

SERCA1a: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Membrane

We predict this structure to be a membrane protein.
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SERCA1a