SMTL ID : 1imc.1

STRUCTURAL STUDIES OF METAL BINDING BY INOSITOL MONOPHOSPHATASE: EVIDENCE FOR TWO-METAL ION CATALYSIS

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

6 x MN: MANGANESE (II) ION(Non-covalent)

MN.1: 6 residues within 4Å: Chain A: E.70, D.90, I.92 Ligands: MN.2, MN.3, CL.4 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.70, A:D.90, A:I.92, H2O.1 MN.2: 5 residues within 4Å: Chain A: D.90, D.93, D.220 Ligands: MN.1, CL.4 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.90, A:D.93, A:D.220 MN.3: 4 residues within 4Å: Chain A: L.42, E.70 Ligands: MN.1, CL.4 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.70, H2O.1, H2O.1, H2O.1 MN.5: 7 residues within 4Å: Chain B: E.70, D.90, I.92, T.95 Ligands: MN.6, MN.7, CL.8 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.70, B:D.90, B:I.92, H2O.2 MN.6: 5 residues within 4Å: Chain B: D.90, D.93, D.220 Ligands: MN.5, CL.8 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.90, B:D.93, B:D.220, H2O.2 MN.7: 4 residues within 4Å: Chain B: E.70, T.95 Ligands: MN.5, CL.8 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.70, H2O.1, H2O.2, H2O.2

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 6 residues within 4Å: Chain A: E.70, I.92, G.94 Ligands: MN.1, MN.2, MN.3 Ligand excluded by PLIP CL.8: 8 residues within 4Å: Chain B: E.70, D.90, I.92, G.94, T.95 Ligands: MN.5, MN.6, MN.7 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bone, R. et al., Structural studies of metal binding by inositol monophosphatase: evidence for two-metal ion catalysis. Biochemistry (1994)

Release Date

1995-02-27

Peptides

INOSITOL MONOPHOSPHATASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

INOSITOL MONOPHOSPHATASE

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