SMTL ID : 5n07.1

Structure of the [4Fe-4S] form of the NO response regulator NsrR

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-dimer

Ligands

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

SF4.1: 10 residues within 4Å: Chain A: V.91, C.93, C.99, L.101, R.102, C.105, R.108 Chain B: D.8, R.12, M.15 7 PLIP interactions: 3 interactions with chain A, 4 interactions with chain B, Metal complexes: A:C.93, A:C.99, A:C.105, B:D.8 Salt bridges: B:D.8, B:D.8, B:D.8 SF4.4: 10 residues within 4Å: Chain A: D.8, R.12, M.15 Chain B: V.91, C.93, C.99, L.101, R.102, C.105, R.108 7 PLIP interactions: 3 interactions with chain B, 4 interactions with chain A, Metal complexes: B:C.93, B:C.99, B:C.105, A:D.8 Salt bridges: A:D.8, A:D.8, A:D.8

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: T.4, K.5, F.6 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.4, A:K.5, A:F.6 SO4.5: 3 residues within 4Å: Chain B: T.4, K.5, F.6 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:T.4, B:K.5, B:F.6

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

CL.3: 1 residues within 4Å: Chain A: R.112 Ligand excluded by PLIP CL.6: 1 residues within 4Å: Chain B: R.112 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Volbeda, A. et al., Crystal structures of the NO sensor NsrR reveal how its iron-sulfur cluster modulates DNA binding. Nat Commun (2017)

Release Date

2017-04-26

Peptides

HTH-type transcriptional repressor NsrR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

HTH-type transcriptional repressor NsrR

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