SMTL ID : 6onu.4 (3 other biounits)

Complex structure of WhiB1 and region 4 of SigA in P21 space group.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

hetero-1-1-mer

Ligands

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

SF4.1: 12 residues within 4Å: Chain A: A.7, V.8, C.9, V.36, C.37, C.40, T.43, C.46, V.59, G.61 Chain B: H.108, P.109 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.9, A:C.37, A:C.40, A:C.46

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.2: 1 residues within 4Å: Chain B: Q.49 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Q.49 Water bridges: B:Q.49

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wan, T. et al., Structural basis of non-canonical transcriptional regulation by the sigma A-bound iron-sulfur protein WhiB1 in M. tuberculosis. Nucleic Acids Res. (2020)

Release Date

2019-11-27

Peptides

Transcriptional regulator WhiB1: A
RNA polymerase sigma factor SigA: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
G

B
H

Transcriptional regulator WhiB1

RNA polymerase sigma factor SigA

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