SMTL ID : 1ows.2 (2 other biounits)

Crystal structure of a C49 Phospholipase A2 from Indian cobra reveals carbohydrate binding in the hydrophobic channel

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-2-2-mer

Ligands

2 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)

NAG.1: 12 residues within 4Å: Chain A: T.2, F.5, I.9, W.18, F.21, Y.27, C.28, G.29, C.30, C.43, H.46, K.62 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:T.2, A:W.18 Hydrogen bonds: A:C.43 Water bridges: A:T.2, A:Y.50, A:K.62, A:K.62, A:K.62 Salt bridges: A:H.46, A:K.62 NAG.4: 12 residues within 4Å: Chain C: T.2, F.5, I.9, W.18, F.21, Y.27, C.28, G.29, C.30, C.43, H.46, K.62 10 PLIP interactions: 10 interactions with chain C Hydrophobic interactions: C:T.2, C:W.18 Hydrogen bonds: C:C.43, C:H.46 Water bridges: C:T.2, C:K.62, C:K.62, C:K.62 Salt bridges: C:H.46, C:K.62

4 x ZN: ZINC ION(Non-covalent)

ZN.2: 4 residues within 4Å: Chain A: D.23, N.110 Chain B: D.23, N.110 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: B:D.23, A:D.23, A:D.23, H2O.1, H2O.8 ZN.3: 3 residues within 4Å: Chain A: Q.69 Chain C: Q.69 Ligands: ZN.6 No protein-ligand interaction detected (PLIP) ZN.5: 4 residues within 4Å: Chain C: D.23, N.110 Chain D: D.23, N.110 5 PLIP interactions: 2 interactions with chain C, 1 interactions with chain D, 2 Ligand-Water interactions Metal complexes: C:D.23, C:D.23, D:D.23, H2O.10, H2O.17 ZN.6: 3 residues within 4Å: Chain A: Q.69 Chain C: Q.69 Ligands: ZN.3 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jabeen, T. et al., Crystal structure of a C49 Phospholipase A2 from Indian cobra reveals carbohydrate binding in the hydrophobic channel. To be Published

Release Date

2003-05-20

Peptides

Phospholipase A2: AC
Phospholipase A2: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

Phospholipase A2

Phospholipase A2

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