SMTL ID : 1zj9.1 (1 other biounit)

Structure of Mycobacterium tuberculosis NirA protein

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

monomer

Ligands

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 5 residues within 4Å: Chain A: R.108, R.177, K.218, K.220 Ligands: SRM.3 Ligand excluded by PLIP

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

SF4.2: 12 residues within 4Å: Chain A: C.428, S.429, G.430, C.434, S.437, N.472, G.473, C.474, N.476, S.477, C.478 Ligands: SRM.3 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.428, A:C.434, A:C.474, A:C.478

1 x SRM: SIROHEME(Non-covalent)

SRM.3: 31 residues within 4Å: Chain A: Y.80, M.106, R.108, S.139, D.140, R.141, N.143, Q.145, H.147, R.217, K.218, K.220, I.233, G.257, L.258, S.259, R.301, Q.390, A.427, C.428, S.429, F.433, C.434, L.436, R.442, N.476, S.477, C.478, R.480 Ligands: CL.1, SF4.2 33 PLIP interactions: 33 interactions with chain A, Hydrophobic interactions: A:Y.80, A:R.141, A:L.436, A:N.476 Hydrogen bonds: A:S.139, A:D.140, A:D.140, A:N.143, A:Q.145, A:L.258, A:S.259, A:S.259, A:Q.390, A:S.429, A:F.433 Salt bridges: A:R.75, A:R.108, A:R.141, A:H.147, A:R.217, A:R.217, A:K.218, A:K.218, A:K.220, A:K.220, A:R.301, A:R.301, A:K.435, A:R.442, A:R.480 pi-Cation interactions: A:K.218, A:K.220 Metal complexes: A:C.478

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schnell, R. et al., Siroheme- and [Fe4-S4]-dependent NirA from Mycobacterium tuberculosis Is a Sulfite Reductase with a Covalent Cys-Tyr Bond in the Active Site. J.Biol.Chem. (2005)

Release Date

2005-05-31

Peptides

Probable ferredoxin-dependent nitrite reductase NirA: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Probable ferredoxin-dependent nitrite reductase NirA

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