SMTL ID : 1r22.1

Crystal structure of the cyanobacterial metallothionein repressor SmtB (C14S/C61S/C121S mutant) in the Zn2alpha5-form

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.117, E.120 Chain B: D.104, H.106 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:D.104, B:D.104, B:H.106, A:H.117, A:E.120 ZN.2: 4 residues within 4Å: Chain A: D.104, H.106 Chain B: H.117, E.120 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:H.117, B:E.120, A:D.104, A:D.104, A:H.106

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Eicken, C. et al., A metal-ligand-mediated intersubunit allosteric switch in related SmtB/ArsR zinc sensor proteins. J.Mol.Biol. (2003)

Release Date

2004-05-18

Peptides

Transcriptional repressor smtB: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Transcriptional repressor smtB