SMTL ID : 1sl8.2 (1 other biounit)

Calcium-loaded apo-aequorin from Aequorea victoria

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

6 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: D.155, D.157, S.159, Q.161, E.166 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.155, A:D.157, A:S.159, A:E.166, H2O.1 CA.2: 5 residues within 4Å: Chain A: D.26, N.28, N.30, R.32, E.37 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.26, A:R.32, A:E.37, A:E.37, H2O.2 CA.3: 5 residues within 4Å: Chain A: D.119, D.121, N.123, A.125, E.130 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.119, A:D.121, A:E.130, A:E.130, H2O.2 CA.4: 5 residues within 4Å: Chain B: D.155, D.157, S.159, Q.161, E.166 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.155, B:D.157, B:S.159, B:E.166, H2O.7 CA.5: 5 residues within 4Å: Chain B: D.26, N.28, N.30, R.32, E.37 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.26, B:R.32, B:E.37, B:E.37, H2O.8 CA.6: 5 residues within 4Å: Chain B: D.119, D.121, N.123, A.125, E.130 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.119, B:D.121, B:E.130, B:E.130, H2O.7

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Deng, L. et al., All three Ca2+-binding loops of photoproteins bind calcium ions: The crystal structures of calcium-loaded apo-aequorin and apo-obelin. Protein Sci. (2005)

Release Date

2004-12-28

Peptides

Aequorin 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Aequorin 1

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