SMTL ID : 2ca3.1

Sulfite dehydrogenase from Starkeya Novella r55m mutant

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-1-1-mer

Ligands

1 x MSS: (MOLYBDOPTERIN-S,S)-OXO-MOLYBDENUM(Non-covalent)

MSS.1: 21 residues within 4Å: Chain A: F.52, F.53, V.54, M.55, Y.56, H.57, N.102, C.104, S.105, D.158, F.168, L.196, N.197, R.202, G.210, T.211, W.213, V.214, K.215, Y.236 Ligands: SO4.2 21 PLIP interactions: 21 interactions with chain A Hydrogen bonds: A:M.55, A:H.57, A:H.57, A:N.102, A:S.105, A:L.196, A:N.197, A:R.202, A:G.210, A:T.211, A:W.213, A:K.215, A:K.215 Water bridges: A:L.58, A:G.156, A:D.158 Salt bridges: A:D.158, A:R.202, A:K.215 pi-Stacking: A:F.168 pi-Cation interactions: A:K.215

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

SO4.2: 7 residues within 4Å: Chain A: C.104, S.105, G.106, R.109, Y.236, Y.360 Ligands: MSS.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.106, A:Y.236 Water bridges: A:G.119 Salt bridges: A:R.109 SO4.3: 3 residues within 4Å: Chain A: P.166, G.229, F.230 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:F.230 Water bridges: A:W.231

1 x HEC: HEME C(Non-covalent)

HEC.4: 18 residues within 4Å: Chain A: Q.33, Y.56, H.57, G.118, T.165 Chain B: N.28, C.29, C.32, H.33, Y.37, I.38, Q.41, E.53, K.56, M.57, Y.61, A.63, L.77 21 PLIP interactions: 18 interactions with chain B, 3 interactions with chain A, Hydrophobic interactions: B:Y.37, B:Y.37, B:I.38, B:I.38, B:Q.41, B:M.57, B:Y.61, B:Y.61, B:Y.61, B:Y.61, B:A.63, B:L.77, A:T.165 Hydrogen bonds: B:Y.37, B:Y.37, A:Q.33 Water bridges: B:K.56, B:K.56 Salt bridges: B:K.56, A:H.57 Metal complexes: B:H.33

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bailey, S. et al., Molecular basis for enzymatic sulfite oxidation: how three conserved active site residues shape enzyme activity. J.Biol.Chem. (2009)

Release Date

2007-02-20

Peptides

SULFITE\:CYTOCHROME C OXIDOREDUCTASE SUBUNIT A: A
SULFITE\:CYTOCHROME C OXIDOREDUCTASE SUBUNIT B: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

SULFITE\:CYTOCHROME C OXIDOREDUCTASE SUBUNIT A

SULFITE\:CYTOCHROME C OXIDOREDUCTASE SUBUNIT B

Related Entries With Identical Sequence