SMTL ID : 2ppf.1

Reduced mutant D98N of AfNiR exposed to nitric oxide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

homo-trimer

Ligands

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

CU1.1: 4 residues within 4Å: Chain A: H.92, C.133, H.142, M.147 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.92, A:C.133, A:H.142 CU1.6: 5 residues within 4Å: Chain B: H.92, C.133, H.142, M.147 Ligands: CU1.8 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.92, B:C.133, B:H.142 CU1.8: 5 residues within 4Å: Chain B: H.92, C.133, P.135, H.142 Ligands: CU1.6 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:C.133, B:H.142 CU1.15: 5 residues within 4Å: Chain C: H.92, C.133, H.142, M.147 Ligands: CU1.17 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:H.92, C:C.133, C:H.142 CU1.17: 6 residues within 4Å: Chain C: H.92, C.133, A.134, P.135, H.142 Ligands: CU1.15 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:C.133, C:H.142

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

CU.2: 4 residues within 4Å: Chain A: H.97, H.132 Chain B: H.303 Ligands: NO.5 4 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B, 1 Ligand-Ligand interactions Metal complexes: A:H.97, A:H.132, B:H.303, NO.5 CU.7: 4 residues within 4Å: Chain B: H.97, H.132 Chain C: H.303 Ligands: NO.13 4 PLIP interactions: 1 interactions with chain C, 2 interactions with chain B, 1 Ligand-Ligand interactions Metal complexes: C:H.303, B:H.97, B:H.132, NO.13 CU.16: 5 residues within 4Å: Chain A: H.303 Chain C: H.97, H.132 Ligands: NO.4, NO.21 4 PLIP interactions: 1 interactions with chain A, 2 interactions with chain C, 1 Ligand-Ligand interactions Metal complexes: A:H.303, C:H.97, C:H.132, NO.21

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

ACT.3: 9 residues within 4Å: Chain A: G.137, M.138, V.139, P.140, W.141, Y.200, V.204, M.207 Chain B: E.310 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:M.138, A:W.141, A:Y.200 ACT.9: 4 residues within 4Å: Chain B: T.225, G.226, I.297, H.316 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:I.297 Hydrogen bonds: B:G.226 Water bridges: B:K.318 Salt bridges: B:H.316, B:K.318 ACT.10: 4 residues within 4Å: Chain B: D.170, G.235, E.236, K.237 2 PLIP interactions: 2 interactions with chain B Water bridges: B:K.237, B:K.237 ACT.11: 8 residues within 4Å: Chain B: G.137, M.138, V.139, P.140, W.141, Y.200, M.207 Chain C: E.310 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain B Hydrogen bonds: C:E.310, B:M.138, B:W.141 ACT.12: 2 residues within 4Å: Chain B: F.279 Chain C: F.279 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:F.279 Water bridges: C:F.279 ACT.18: 6 residues within 4Å: Chain C: V.56, H.57, Y.181, V.182, P.183, T.203 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:H.57 Water bridges: C:V.144, C:Y.181 ACT.19: 9 residues within 4Å: Chain A: E.310 Chain C: G.137, M.138, V.139, P.140, W.141, Y.200, V.204, M.207 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:M.138, C:W.141, C:Y.200 ACT.20: 6 residues within 4Å: Chain C: T.225, G.226, A.229, I.297, H.316, K.318 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:I.297 Hydrogen bonds: C:G.226 Salt bridges: C:H.316, C:K.318

4 x NO: NITRIC OXIDE(Non-covalent)

NO.4: 6 residues within 4Å: Chain A: I.254, H.303 Chain C: H.132, A.134 Ligands: CU.16, NO.21 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:H.132 Water bridges: C:L.103 NO.5: 5 residues within 4Å: Chain A: H.97, H.132 Chain B: I.254, H.303 Ligands: CU.2 1 PLIP interactions: 1 interactions with chain A Water bridges: A:L.103 NO.13: 5 residues within 4Å: Chain B: H.97, H.132 Chain C: I.254, H.303 Ligands: CU.7 No protein-ligand interaction detected (PLIP) NO.21: 7 residues within 4Å: Chain A: I.254, H.303 Chain C: N.95, H.97, H.132 Ligands: NO.4, CU.16 No protein-ligand interaction detected (PLIP)

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

TRS.14: 9 residues within 4Å: Chain A: T.209, L.210, T.211 Chain B: T.209, L.210, T.211 Chain C: T.209, L.210, T.211 3 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B, 1 interactions with chain C Hydrogen bonds: A:T.209, C:T.209 Hydrophobic interactions: B:L.210

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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