SMTL ID : 2nxq.1 (4 other biounits)

Crystal structure of calcium binding protein 1 from Entamoeba histolytica: a novel arrangement of EF hand motifs

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-trimer

Ligands

6 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: D.10, N.12, D.14, A.16, E.21 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.10, A:D.14, A:A.16, A:E.21, H2O.1 CA.2: 5 residues within 4Å: Chain A: D.46, D.48, N.50, E.52, E.57 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.46, A:D.48, A:E.52, A:E.57, A:E.57 CA.5: 5 residues within 4Å: Chain B: D.10, N.12, D.14, A.16, E.21 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.10, B:D.14, B:A.16, B:E.21, H2O.1 CA.6: 5 residues within 4Å: Chain B: D.46, D.48, N.50, E.52, E.57 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.46, B:D.48, B:E.52, B:E.57, B:E.57 CA.9: 5 residues within 4Å: Chain C: D.10, N.12, D.14, A.16, E.21 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.10, C:D.14, C:A.16, C:E.21, H2O.2 CA.10: 5 residues within 4Å: Chain C: D.46, D.48, N.50, E.52, E.57 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.46, C:D.48, C:E.52, C:E.57, C:E.57

6 x ACT: ACETATE ION(Non-functional Binders)

ACT.3: 1 residues within 4Å: Chain A: Y.62 No protein-ligand interaction detected (PLIP) ACT.4: 2 residues within 4Å: Chain A: K.33, L.40 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.40 Salt bridges: A:K.33 ACT.7: 1 residues within 4Å: Chain B: Y.62 No protein-ligand interaction detected (PLIP) ACT.8: 2 residues within 4Å: Chain B: K.33, L.40 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:L.40 Salt bridges: B:K.33 ACT.11: 1 residues within 4Å: Chain C: Y.62 No protein-ligand interaction detected (PLIP) ACT.12: 2 residues within 4Å: Chain C: K.33, L.40 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:L.40 Salt bridges: C:K.33

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kumar, S. et al., Crystal structure of calcium binding protein-1 from Entamoeba histolytica: A novel arrangement of EF hand motifs. Proteins (2007)

Release Date

2007-08-21

Peptides

Calcium-binding protein: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

Calcium-binding protein

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