SMTL ID : 3geo.1

SULFITE REDUCTASE HEMOPROTEIN NITRITE COMPLEX

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

monomer

Ligands

1 x NO2: NITRITE ION(Non-covalent)

NO2.1: 5 residues within 4Å: Chain A: R.10, R.80, K.142, K.144 Ligands: SRM.4 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.144, A:K.144

1 x NA: SODIUM ION(Non-functional Binders)

NA.2: 5 residues within 4Å: Chain A: I.289, G.292, N.322, Q.323, N.324 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:I.289, A:N.291, A:G.292, A:Q.323 Water bridges: A:N.324

1 x SF4: IRON/SULFUR CLUSTER(Non-covalent)

SF4.3: 12 residues within 4Å: Chain A: C.361, S.363, C.367, L.369, A.370, T.404, G.405, C.406, N.408, G.409, C.410 Ligands: SRM.4 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.361, A:C.367, A:C.406, A:C.410

1 x SRM: SIROHEME(Non-covalent)

SRM.4: 29 residues within 4Å: Chain A: L.8, R.10, R.40, T.42, N.43, R.44, T.46, Q.48, H.50, R.141, K.142, K.144, A.159, G.183, L.184, S.185, Q.323, A.360, C.361, V.362, T.366, C.367, L.369, N.408, G.409, C.410, R.412 Ligands: NO2.1, SF4.3 38 PLIP interactions: 38 interactions with chain A, Hydrophobic interactions: A:T.42, A:R.44, A:V.362, A:N.408, A:R.412 Hydrogen bonds: A:N.43, A:N.43, A:Q.48, A:Q.48, A:L.184, A:S.185, A:S.185, A:Q.323, A:V.362, A:T.366 Water bridges: A:R.10, A:R.10, A:R.44, A:R.80, A:R.141, A:K.142, A:K.233, A:K.233, A:K.233 Salt bridges: A:R.10, A:R.40, A:R.44, A:H.50, A:R.141, A:R.141, A:K.142, A:K.144, A:K.144, A:K.233, A:R.412 pi-Cation interactions: A:K.142, A:K.144 Metal complexes: A:C.410

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Crane, B.R. et al., Probing the catalytic mechanism of sulfite reductase by X-ray crystallography: structures of the Escherichia coli hemoprotein in complex with substrates, inhibitors, intermediates, and products. Biochemistry (1997)

Release Date

1998-01-14

Peptides

SULFITE REDUCTASE HEMOPROTEIN: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

SULFITE REDUCTASE HEMOPROTEIN

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