SMTL ID : 4z6s.1

Structure of H200Q variant of Homoprotocatechuate 2,3-Dioxygenase from B.fuscum in complex with 4-sulfonyl catechol at 1.42 Ang resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.42 Å

Oligo State

homo-tetramer

Ligands

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

FE2.1: 3 residues within 4Å: Chain A: H.155, 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.10 FE2.3: 3 residues within 4Å: Chain B: H.155, 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.16, H2O.18, H2O.26 FE2.6: 4 residues within 4Å: Chain C: H.155, H.214, E.267 Ligands: 4SX.7 4 PLIP interactions: 3 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:H.155, C:H.214, C:E.267, H2O.38 FE2.8: 4 residues within 4Å: Chain D: H.155, H.214, E.267 Ligands: 4SX.10 4 PLIP interactions: 3 interactions with chain D, 1 Ligand-Water interactions Metal complexes: D:H.155, D:H.214, D:E.267, H2O.51

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

CL.2: 3 residues within 4Å: Chain A: R.243, H.248, 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.9: 6 residues within 4Å: Chain D: R.243, H.248, Y.257, R.293, W.304 Ligands: 4SX.10 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.28

2 x 4SX: 3,4-dihydroxybenzenesulfonic acid(Non-covalent)

4SX.7: 15 residues within 4Å: Chain C: H.155, W.192, Q.200, H.214, R.243, H.248, G.249, V.250, S.251, Y.257, E.267, Y.269, R.292, R.293 Ligands: FE2.6 10 PLIP interactions: 10 interactions with chain C Hydrophobic interactions: C:W.192, C:V.250 Hydrogen bonds: C:Q.200, C:G.249, C:V.250 Water bridges: C:N.157 Salt bridges: C:R.243, C:H.248, C:R.293 pi-Stacking: C:H.248 4SX.10: 17 residues within 4Å: Chain D: H.155, W.192, Q.200, H.214, R.243, H.248, G.249, V.250, S.251, Y.257, E.267, Y.269, R.292, R.293, W.304 Ligands: FE2.8, CL.9 11 PLIP interactions: 11 interactions with chain D Hydrophobic interactions: D:W.192, D:H.248, D:V.250 Hydrogen bonds: D:Q.200, D:G.249, D:V.250 Water bridges: D:N.157 Salt bridges: D:R.243, D:H.248, D:R.293 pi-Stacking: D:H.248

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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