Function and Biology

REFINED 1.8 ANGSTROM CRYSTAL STRUCTURE OF THE LAMBDA REPRESSOR-OPERATOR COMPLEX

Source organism: Lambdavirus lambda
Biochemical function: DNA binding
Biological process: not assigned
Cellular component: not assigned

GO terms

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Sequence family

Pfam Protein family (Pfam)
PF01381
Domain description: Helix-turn-helix
Occurring in:
  1. Repressor protein cI
The deposited structure of PDB entry 1lmb contains 2 copies of Pfam domain PF01381 (Helix-turn-helix) in Repressor protein cI. Showing 1 copy in chain D [auth 4].

InterPro InterPro annotations
IPR001387
Domain description: Cro/C1-type helix-turn-helix domain
Occurring in:
  1. Repressor protein cI
IPR010982
Domain description: Lambda repressor-like, DNA-binding domain superfamily
Occurring in:
  1. Repressor protein cI

Structure domain

CATH CATH domain
1.10.260.40
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: 434 Repressor (Amino-terminal Domain)
Homology: lambda repressor-like DNA-binding domains
Occurring in:
  1. Repressor protein cI
The deposited structure of PDB entry 1lmb contains 2 copies of CATH domain 1.10.260.40 (434 Repressor (Amino-terminal Domain)) in Repressor protein cI. Showing 1 copy in chain D [auth 4].
SCOP SCOP annotation
47419
Class: All alpha proteins
Fold: lambda repressor-like DNA-binding domains
Superfamily: lambda repressor-like DNA-binding domains
Occurring in:
  1. Repressor protein cI
The deposited structure of PDB entry 1lmb contains 2 copies of SCOP domain 47419 (Phage repressors) in Repressor protein cI. Showing 1 copy in chain D [auth 4].