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

Crystal structure of a sigma54-activator suggests the mechanism for the conformational switch necessary for sigma54 binding

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

homo-hexamer

Ligands

6 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 5 residues within 4Å: Chain A: S.34, G.35, T.36, K.38, R.222 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:G.35, A:T.36, A:T.36, A:K.38, A:E.39 Salt bridges: A:K.38, A:R.222 PO4.2: 5 residues within 4Å: Chain B: S.34, G.35, T.36, K.38, R.222 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:G.35, B:T.36, B:T.36, B:K.38 Salt bridges: B:K.38, B:R.222 PO4.3: 7 residues within 4Å: Chain C: D.33, S.34, G.35, T.36, G.37, K.38, R.222 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:G.35, C:T.36, C:T.36, C:K.38 Salt bridges: C:K.38, C:R.222 PO4.4: 5 residues within 4Å: Chain D: S.34, G.35, T.36, K.38, R.222 7 PLIP interactions: 7 interactions with chain D Hydrogen bonds: D:G.35, D:T.36, D:T.36, D:K.38, D:E.39 Salt bridges: D:K.38, D:R.222 PO4.5: 5 residues within 4Å: Chain E: S.34, G.35, T.36, K.38, R.222 6 PLIP interactions: 6 interactions with chain E Hydrogen bonds: E:G.35, E:T.36, E:T.36, E:K.38 Salt bridges: E:K.38, E:R.222 PO4.6: 7 residues within 4Å: Chain F: D.33, S.34, G.35, T.36, G.37, K.38, R.222 6 PLIP interactions: 6 interactions with chain F Hydrogen bonds: F:G.35, F:T.36, F:T.36, F:K.38 Salt bridges: F:K.38, F:R.222

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sallai, L. et al., Crystal structure of the central and C-terminal domain of the sigma(54)-activator ZraR. J. Struct. Biol. (2005)

Release Date

2005-05-19

Peptides

TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
A

E
B

F
C

TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR

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