SMTL ID : 1ajb.1

THREE-DIMENSIONAL STRUCTURE OF THE D153G MUTANT OF E. COLI ALKALINE PHOSPHATASE: A MUTANT WITH WEAKER MAGNESIUM BINDING AND INCREASED CATALYTIC ACTIVITY

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: D.327, H.331, H.412 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.327, A:D.327, A:H.331, A:H.412 ZN.2: 5 residues within 4Å: Chain A: D.51, S.102, D.327, D.369, H.370 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.51, A:S.102, A:D.369, A:H.370 ZN.5: 4 residues within 4Å: Chain B: S.102, D.327, H.331, H.412 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:D.327, B:D.327, B:H.331, B:H.412 ZN.6: 5 residues within 4Å: Chain B: D.51, S.102, D.327, D.369, H.370 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.51, B:S.102, B:D.369, B:D.369, B:H.370

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain A: D.51, T.155, E.322 6 PLIP interactions: 3 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.51, A:T.155, A:E.322, H2O.1, H2O.1, H2O.1 MG.7: 4 residues within 4Å: Chain B: D.51, T.155, E.322 Ligands: SO4.8 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:D.51, B:E.322, H2O.4, H2O.5, H2O.5

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.4: 4 residues within 4Å: Chain A: S.102, G.153, A.154, R.166 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:A.154 Water bridges: A:T.155, A:T.155, A:R.166, A:K.328, A:K.328, A:K.328 Salt bridges: A:R.166, A:K.328 SO4.8: 5 residues within 4Å: Chain B: S.102, G.153, A.154, R.166 Ligands: MG.7 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:A.154 Water bridges: B:G.153, B:T.155, B:R.166, B:R.166, B:K.328, B:K.328 Salt bridges: B:R.166, B:K.328

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dealwis, C.G. et al., 3-D structure of the D153G mutant of Escherichia coli alkaline phosphatase: an enzyme with weaker magnesium binding and increased catalytic activity. Protein Eng. (1995)

Release Date

1995-11-14

Peptides

ALKALINE PHOSPHATASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ALKALINE PHOSPHATASE

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