Structure of PDB 1r23 Chain B

Receptor sequence
>1r23B (length=97) Species: 1140 (Synechococcus elongatus PCC 7942 = FACHB-805) [Search protein sequence]
LQAIAPEVAQSLAEFFAVLADPNRLRLLSLLARSELCVGDLAQAIGVSES
AVSHQLRSLRNLRLVSYRKQGRHVYYQLQDHHIVALYQNALDHLQEC
3D structure
PDB1r23 A metal-ligand-mediated intersubunit allosteric switch in related SmtB/ArsR zinc sensor proteins.
ChainB
Resolution2.0 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 ZN B H117 E120 H93 E96
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003700 DNA-binding transcription factor activity
GO:0046872 metal ion binding
Biological Process
GO:0006355 regulation of DNA-templated transcription

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1r23, PDBe:1r23, PDBj:1r23
PDBsum1r23
PubMed14568530
UniProtP30340|SMTB_SYNE7 Transcriptional repressor SmtB (Gene Name=smtB)

[Back to BioLiP]