SMTL ID : 4z6m.1

Structure of H200Q variant of Homoprotocatechuate 2,3-Dioxygenase from B.fuscum at 1.35 Ang resolution

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

homo-tetramer

Ligands

4 x FE2: FE (II) ION(Non-covalent)

FE2.1: 4 residues within 4Å: Chain A: H.155, Q.200, H.214, E.267 6 PLIP interactions: 3 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:H.155, A:H.214, A:E.267, H2O.1, H2O.1, H2O.9 FE2.3: 4 residues within 4Å: Chain B: H.155, Q.200, H.214, E.267 6 PLIP interactions: 3 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:H.155, B:H.214, B:E.267, H2O.20, H2O.21, H2O.29 FE2.6: 4 residues within 4Å: Chain C: H.155, Q.200, H.214, E.267 6 PLIP interactions: 3 interactions with chain C, 3 Ligand-Water interactions Metal complexes: C:H.155, C:H.214, C:E.267, H2O.40, H2O.41, H2O.49 FE2.8: 4 residues within 4Å: Chain D: H.155, Q.200, H.214, E.267 6 PLIP interactions: 3 interactions with chain D, 3 Ligand-Water interactions Metal complexes: D:H.155, D:H.214, D:E.267, H2O.58, H2O.59, H2O.66

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

CL.2: 4 residues within 4Å: Chain A: R.243, H.248, Y.257, R.293 Ligand excluded by PLIP CL.5: 4 residues within 4Å: Chain B: R.243, H.248, Y.257, R.293 Ligand excluded by PLIP CL.7: 4 residues within 4Å: Chain C: R.243, H.248, Y.257, R.293 Ligand excluded by PLIP CL.9: 4 residues within 4Å: Chain D: R.243, H.248, Y.257, R.293 Ligand excluded by PLIP

1 x CA: CALCIUM ION(Non-covalent)

CA.4: 2 residues within 4Å: Chain B: D.184, E.185 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.184, B:E.185, H2O.29

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kovaleva, E.G. et al., Structural Basis for Substrate and Oxygen Activation in Homoprotocatechuate 2,3-Dioxygenase: Roles of Conserved Active Site Histidine 200. Biochemistry (2015)

Release Date

2015-08-26

Peptides

Homoprotocatechuate 2,3-dioxygenase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Homoprotocatechuate 2,3-dioxygenase

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