SMTL ID : 1poe.1

STRUCTURES OF FREE AND INHIBITED HUMAN SECRETORY PHOSPHOLIPASE A2 FROM INFLAMMATORY EXUDATE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: H.27, G.29, G.31, D.48 Ligands: GEL.3 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Ligand interactions Metal complexes: A:H.27, A:G.29, A:G.31, A:D.48, GEL.3 CA.2: 4 residues within 4Å: Chain A: F.23, G.25, Y.112, N.114 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:F.23, A:G.25, A:Y.112, H2O.6 CA.4: 5 residues within 4Å: Chain B: H.27, G.29, G.31, D.48 Ligands: GEL.6 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Ligand interactions Metal complexes: B:H.27, B:G.29, B:G.31, B:D.48, GEL.6 CA.5: 4 residues within 4Å: Chain B: F.23, G.25, Y.112, N.114 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:F.23, B:G.25, B:Y.112, H2O.10

2 x GEL: 1-O-OCTYL-2-HEPTYLPHOSPHONYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE(Non-covalent)

GEL.3: 18 residues within 4Å: Chain A: L.2, H.6, A.17, Y.21, G.22, H.27, C.28, G.29, V.30, G.31, C.44, H.47, D.48, Y.51, K.52, E.55, K.62 Ligands: CA.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:L.2, A:H.6, A:A.17, A:Y.21, A:V.30 Hydrogen bonds: A:G.29, A:G.29, A:G.31, A:H.47, A:D.48 Salt bridges: A:K.62 GEL.6: 17 residues within 4Å: Chain B: L.2, H.6, A.17, A.18, Y.21, G.22, H.27, C.28, G.29, V.30, G.31, C.44, H.47, D.48, Y.51, K.62 Ligands: CA.4 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:H.6, B:A.17, B:Y.21 Hydrogen bonds: B:G.29, B:G.29, B:G.31, B:H.47, B:D.48 Water bridges: B:D.48, B:D.48, B:K.52 Salt bridges: B:K.62

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Scott, D.L. et al., Structures of free and inhibited human secretory phospholipase A2 from inflammatory exudate. Science (1991)

Release Date

1993-10-31

Peptides

PHOSPHOLIPASE A2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PHOSPHOLIPASE A2

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