SMTL ID : 4htr.1

N149W variant of SiRHP bound to sulfite

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

monomer

Ligands

1 x SO3: SULFITE ION(Non-covalent)

SO3.1: 4 residues within 4Å: Chain A: R.90, K.152, K.154 Ligands: SRM.4 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:R.90, A:K.152, A:K.152, A:K.154 Water bridges: A:K.154

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

NA.2: 5 residues within 4Å: Chain A: F.298, I.299, N.332, Q.333, N.334 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.333, A:N.334 Water bridges: A:N.301

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

SF4.3: 12 residues within 4Å: Chain A: C.371, S.373, C.377, L.379, A.380, T.414, G.415, C.416, N.418, G.419, C.420 Ligands: SRM.4 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.371, A:C.377, A:C.416, A:C.420

1 x SRM: SIROHEME(Non-covalent)

SRM.4: 28 residues within 4Å: Chain A: R.50, T.52, N.53, R.54, T.56, Q.58, H.60, K.152, K.154, A.169, G.193, L.194, S.195, K.243, Q.333, A.370, C.371, V.372, T.376, C.377, P.378, L.379, N.418, G.419, C.420, R.422 Ligands: SO3.1, SF4.3 32 PLIP interactions: 32 interactions with chain A, Hydrophobic interactions: A:R.54, A:K.152, A:V.372, A:N.418, A:R.422 Hydrogen bonds: A:N.53, A:N.53, A:Q.58, A:L.194, A:S.195, A:S.195, A:Q.333, A:V.372, A:T.376 Water bridges: A:R.54, A:R.90, A:K.243, A:K.243, A:K.245, A:K.245 Salt bridges: A:R.50, A:R.54, A:H.60, A:K.152, A:K.154, A:K.154, A:K.243, A:K.245, A:R.422 pi-Cation interactions: A:K.152, A:K.154 Metal complexes: A:C.420

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Smith, K.W. et al., Mutational analysis of sulfite reductase hemoprotein reveals the mechanism for coordinated electron and proton transfer. Biochemistry (2012)

Release Date

2013-01-16

Peptides

Sulfite reductase [NADPH] hemoprotein beta-component: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Sulfite reductase [NADPH] hemoprotein beta-component