SMTL ID : 1aof.1

CYTOCHROME CD1 NITRITE REDUCTASE, REDUCED FORM

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Covalent)

HEM.1: 20 residues within 4Å: Chain A: R.64, C.65, C.68, H.69, T.77, G.78, K.79, L.81, L.89, Y.93, L.94, F.97, S.102, A.104, G.105, M.106, P.107, W.109, L.115, L.127 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:K.79, A:K.79, A:L.81, A:L.81, A:L.94, A:F.97, A:F.97, A:F.97, A:P.107, A:L.115, A:L.127 Hydrogen bonds: A:Y.93, A:S.102, A:M.106 pi-Cation interactions: A:H.69 Metal complexes: A:H.69 HEM.4: 20 residues within 4Å: Chain B: R.64, C.65, C.68, H.69, G.78, K.79, L.81, L.89, Y.93, L.94, F.97, I.98, S.102, A.104, G.105, M.106, P.107, W.109, L.115, L.127 14 PLIP interactions: 14 interactions with chain B, Hydrophobic interactions: B:K.79, B:L.81, B:L.81, B:L.94, B:F.97, B:I.98, B:M.106, B:P.107, B:W.109, B:L.115 Hydrogen bonds: B:S.102, B:M.106 Salt bridges: B:K.79 Metal complexes: B:H.69

2 x DHE: HEME D(Non-covalent)

DHE.2: 22 residues within 4Å: Chain A: R.174, H.200, I.201, R.203, R.216, R.243, S.244, I.245, Y.263, A.301, A.302, I.303, H.345, R.391, L.443, F.444, Q.507, W.522, T.554, G.555, F.557 Ligands: SO2.3 32 PLIP interactions: 32 interactions with chain A, Hydrophobic interactions: A:I.201, A:R.243, A:R.243, A:L.443, A:F.444, A:F.444, A:W.522, A:W.522, A:F.557 Hydrogen bonds: A:I.245, A:Y.263, A:Y.263, A:I.303, A:Q.507 Water bridges: A:R.203, A:R.203, A:R.203, A:R.203, A:R.216, A:K.446, A:K.446, A:K.446, A:G.555 Salt bridges: A:R.174, A:H.200, A:H.200, A:R.203, A:R.203, A:R.216, A:R.243, A:R.391 Metal complexes: A:H.200 DHE.5: 25 residues within 4Å: Chain B: E.26, P.27, S.28, R.174, H.200, I.201, R.203, R.216, R.243, S.244, I.245, Y.263, A.301, A.302, I.303, H.345, R.391, L.443, F.444, Q.507, W.522, T.554, G.555, F.557 Ligands: SO2.6 37 PLIP interactions: 37 interactions with chain B, Hydrophobic interactions: B:I.201, B:R.243, B:R.243, B:L.443, B:F.444, B:F.444, B:W.522, B:W.522, B:T.554, B:F.557, B:F.557 Hydrogen bonds: B:S.28, B:R.216, B:I.245, B:Y.263, B:I.303, B:Q.507, B:T.554 Water bridges: B:R.174, B:R.203, B:R.203, B:R.203, B:R.203, B:R.216, B:K.446, B:K.446, B:K.446, B:G.555 Salt bridges: B:R.174, B:H.200, B:H.200, B:R.203, B:R.203, B:R.216, B:R.243, B:R.391 Metal complexes: B:H.200

2 x SO2: SULFUR DIOXIDE(Non-covalent)

SO2.3: 4 residues within 4Å: Chain A: H.345, H.388, F.444 Ligands: DHE.2 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.388 SO2.6: 4 residues within 4Å: Chain B: H.345, H.388, F.444 Ligands: DHE.5 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:H.388

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Williams, P.A. et al., Haem-ligand switching during catalysis in crystals of a nitrogen-cycle enzyme. Nature (1997)

Release Date

1997-10-15

Peptides

NITRITE REDUCTASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRITE REDUCTASE

Related Entries With Identical Sequence