SMTL ID : 3qlm.1

Crystal structure of porcine pancreatic phospholipase A2 in complex with n-hexadecanoic acid

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 7 residues within 4Å: Chain A: E.71, S.72, E.92 Chain B: E.71, S.72, E.92 Ligands: CA.4 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Metal complexes: B:E.71, B:S.72, B:E.92, A:E.71, A:S.72, A:E.92 CA.2: 4 residues within 4Å: Chain A: Y.28, G.30, G.32, D.49 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:Y.28, A:G.30, A:G.32, A:D.49, H2O.2 CA.4: 7 residues within 4Å: Chain A: E.71, S.72, E.92 Chain B: E.71, S.72, E.92 Ligands: CA.1 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Metal complexes: B:E.71, B:S.72, B:E.92, A:E.71, A:S.72, A:E.92 CA.5: 4 residues within 4Å: Chain B: Y.28, G.30, G.32, D.49 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:Y.28, B:G.30, B:G.32, B:D.49, H2O.4

2 x PLM: PALMITIC ACID(Non-covalent)

PLM.3: 10 residues within 4Å: Chain A: L.2, F.5, R.6, I.9, L.19, F.22, N.23, L.31, Y.69, F.106 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:L.2, A:L.2, A:F.5, A:R.6, A:I.9, A:F.22, A:N.23, A:Y.69, A:F.106 Water bridges: A:N.67 PLM.6: 10 residues within 4Å: Chain B: L.2, F.5, R.6, I.9, L.19, F.22, N.23, L.31, Y.69, F.106 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:L.2, B:L.2, B:F.5, B:R.6, B:I.9, B:F.22, B:N.23, B:Y.69, B:F.106 Water bridges: B:N.67

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Aparna, V. et al., Anti-inflammatory property of n-hexadecanoic acid: Structural evidence and Kinetic assessment. Chem.Biol.Drug Des. (2012)

Release Date

2011-04-06

Peptides

Phospholipase A2, major isoenzyme: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Phospholipase A2, major isoenzyme

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