SMTL ID : 2bd1.1 (1 other biounit)

A possible role of the second calcium ion in interfacial binding: Atomic and medium resolution crystal structures of the quadruple mutant of phospholipase A2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 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.1 CA.2: 3 residues within 4Å: Chain A: N.71, N.72, E.92 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:N.72, A:E.92, H2O.1, H2O.1, H2O.1

1 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.3: 7 residues within 4Å: Chain A: P.18, F.22, N.23, G.30, L.31, H.48, Y.69 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:L.31, A:Y.69 Hydrogen bonds: A:G.30, A:L.31

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sekar, K. et al., Suggestive evidence for the involvement of the second calcium and surface loop in interfacial binding: monoclinic and trigonal crystal structures of a quadruple mutant of phospholipase A(2). Acta Crystallogr.,Sect.D (2006)

Release Date

2006-07-04

Peptides

Phospholipase A2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Phospholipase A2

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