SMTL ID : 2ppe.1

Reduced H145A mutant of AfNiR exposed to NO

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-trimer

Ligands

3 x CU1: COPPER (I) ION(Non-covalent)

CU1.1: 3 residues within 4Å: Chain A: H.98, C.139, M.153 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:H.98, A:C.139 CU1.3: 3 residues within 4Å: Chain B: H.98, C.139, M.153 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:H.98, B:C.139 CU1.7: 3 residues within 4Å: Chain C: H.98, C.139, M.153 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:H.98, C:C.139

3 x CU: COPPER (II) ION(Non-covalent)

CU.2: 4 residues within 4Å: Chain A: D.101, H.103, H.138 Chain B: H.309 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: B:H.309, A:H.103, A:H.138, H2O.1, H2O.12 CU.4: 5 residues within 4Å: Chain B: D.101, H.103, H.138 Chain C: H.309 Ligands: NO.6 4 PLIP interactions: 2 interactions with chain B, 1 interactions with chain C, 1 Ligand-Ligand interactions Metal complexes: B:H.103, B:H.138, C:H.309, NO.6 CU.8: 4 residues within 4Å: Chain A: H.309 Chain C: D.101, H.103, H.138 4 PLIP interactions: 2 interactions with chain C, 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: C:H.103, C:H.138, A:H.309, H2O.1

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.5: 3 residues within 4Å: Chain B: T.231, G.232, H.322 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:G.232 Water bridges: B:K.324 Salt bridges: B:H.322, B:K.324 ACT.9: 5 residues within 4Å: Chain C: T.231, G.232, I.303, H.322, K.324 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:I.303 Hydrogen bonds: C:G.232 Salt bridges: C:H.322, C:K.324

1 x NO: NITRIC OXIDE(Non-covalent)

NO.6: 8 residues within 4Å: Chain B: D.101, H.103, H.138 Chain C: H.258, I.260, H.309, L.311 Ligands: CU.4 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:H.258

1 x TRS: 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-functional Binders)

TRS.10: 9 residues within 4Å: Chain A: T.215, L.216, T.217 Chain B: T.215, L.216, T.217 Chain C: T.215, L.216, T.217 3 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A, 1 interactions with chain C Hydrogen bonds: B:T.215, A:T.215, C:T.215

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tocheva, E.I. et al., Stable copper-nitrosyl formation by nitrite reductase in either oxidation state. Biochemistry (2007)

Release Date

2008-01-15

Peptides

Copper-containing nitrite reductase: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Copper-containing nitrite reductase

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