SMTL ID : 3ulg.2 (1 other biounit)

Crystal structure of Calcium-Binding Protein-1 from Entamoeba histolytica in complex with barium

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

homo-trimer

Ligands

9 x BA: BARIUM ION(Non-covalent)

BA.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 BA.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 BA.3: 3 residues within 4Å: Chain A: K.43, D.46, A.47 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:K.43, H2O.1 BA.4: 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 BA.5: 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 BA.6: 3 residues within 4Å: Chain B: K.43, D.46, A.47 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:K.43, H2O.1 BA.7: 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 BA.8: 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 BA.9: 3 residues within 4Å: Chain C: K.43, D.46, A.47 2 PLIP interactions: 1 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:K.43, H2O.2

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kumar, S. et al., Flexibility of EF-hand motifs: Structural and thermodynamic studies of Calcium Binding Protein- 1 from Entamoeba histolytica with Pb2+, Ba2+, and Sr2+. BMC Biophys (2012)

Release Date

2012-10-24

Peptides

Calcium-binding protein: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

C
B

Calcium-binding protein

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