SMTL ID : 3hbp.1

The crystal structure of C185S mutant of recombinant sulfite oxidase with bound substrate, sulfite, at the active site

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x MTE: PHOSPHONIC ACIDMONO-(2-AMINO-5,6-DIMERCAPTO-4-OXO-3,7,8A,9,10,10A-HEXAHYDRO-4H-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-7-YLMETHYL)ESTER(Non-covalent)

MTE.1: 21 residues within 4Å: Chain A: F.135, F.136, T.137, R.138, N.139, H.140, S.185, G.242, D.244, Y.252, D.282, H.283, R.288, G.296, A.297, S.299, V.300, K.301, W.302, Y.322 Ligands: MOM.2 16 PLIP interactions: 16 interactions with chain A Hydrogen bonds: A:R.138, A:R.138, A:R.138, A:H.140, A:H.140, A:R.288, A:S.299, A:K.301, A:K.301 Water bridges: A:L.141 Salt bridges: A:D.244, A:H.283, A:R.288, A:K.301 pi-Stacking: A:Y.252 pi-Cation interactions: A:K.301 MTE.4: 21 residues within 4Å: Chain B: F.135, F.136, T.137, R.138, N.139, H.140, S.185, G.242, D.244, Y.252, D.282, H.283, R.288, G.296, A.297, S.299, V.300, K.301, W.302, Y.322 Ligands: MOM.5 16 PLIP interactions: 16 interactions with chain B Hydrogen bonds: B:R.138, B:R.138, B:R.138, B:H.140, B:H.140, B:R.288, B:S.299, B:K.301, B:K.301 Water bridges: B:L.141 Salt bridges: B:D.244, B:H.283, B:R.288, B:K.301 pi-Stacking: B:Y.252 pi-Cation interactions: B:K.301

2 x MOM: HYDROXY(DIOXO)MOLYBDENUM(Non-covalent)

MOM.2: 8 residues within 4Å: Chain A: R.138, S.185, A.186, V.295, A.297, Y.322 Ligands: MTE.1, SO3.3 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.185, A:A.186, A:A.297, A:Y.322 MOM.5: 8 residues within 4Å: Chain B: R.138, S.185, A.186, V.295, A.297, Y.322 Ligands: MTE.4, SO3.6 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:S.185, B:A.186, B:A.297, B:Y.322

2 x SO3: SULFITE ION(Non-covalent)

SO3.3: 8 residues within 4Å: Chain A: R.138, S.185, R.190, G.201, L.202, W.204, Y.322 Ligands: MOM.2 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:S.185, A:S.185, A:R.190, A:R.190, A:L.202, A:Y.322 SO3.6: 8 residues within 4Å: Chain B: R.138, S.185, R.190, G.201, L.202, W.204, Y.322 Ligands: MOM.5 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:S.185, B:S.185, B:R.190, B:R.190, B:L.202, B:Y.322

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Qiu, J.A. et al., The structures of the C185S and C185A mutants of sulfite oxidase reveal rearrangement of the active site. Biochemistry (2010)

Release Date

2010-04-14

Peptides

Sulfite Oxidase mutant C185S: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Sulfite Oxidase mutant C185S

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