Function and Biology

Crystal structure of HetR in complex with a 21-bp palindromic DNA at the upstream of the hetP promoter from Anabaena

Source organism: Nostoc sp. PCC 7120 = FACHB-418
Biochemical function: identical protein binding
Biological process: heterocyst development
Cellular component: not assigned

GO terms

Sequence families

Pfam Protein families (Pfam)
PF18460
Domain description: Heterocyst differentiation regulator C-terminal Hood domain
Occurring in:
  1. DNA-binding transcriptional activator HetR
The deposited structure of PDB entry 4hri contains 2 copies of Pfam domain PF18460 (Heterocyst differentiation regulator C-terminal Hood domain) in DNA-binding transcriptional activator HetR. Showing 1 copy in chain A [auth B].

PF03574
Domain description: Peptidase family S48
Occurring in:
  1. DNA-binding transcriptional activator HetR
The deposited structure of PDB entry 4hri contains 2 copies of Pfam domain PF03574 (Peptidase family S48) in DNA-binding transcriptional activator HetR. Showing 1 copy in chain A [auth B].

InterPro InterPro annotations
IPR005319
Domain description: Peptidase S48, DNA-binding transcriptional activator HetR
Occurring in:
  1. DNA-binding transcriptional activator HetR
IPR040949
Domain description: HetR, C-terminal Hood domain
Occurring in:
  1. DNA-binding transcriptional activator HetR
IPR041935
Domain description: HetR, flap domain
Occurring in:
  1. DNA-binding transcriptional activator HetR
IPR041936
Domain description: HetR, N-terminal DNA-binding domain
Occurring in:
  1. DNA-binding transcriptional activator HetR

Structure domains

CATH CATH domains
1.10.10.1670
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: Arc Repressor Mutant, subunit A
Homology: HetR, flap domain
Occurring in:
  1. DNA-binding transcriptional activator HetR
The deposited structure of PDB entry 4hri contains 2 copies of CATH domain 1.10.10.1670 (Arc Repressor Mutant, subunit A) in DNA-binding transcriptional activator HetR. Showing 1 copy in chain A [auth B].
1.10.10.1680
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: Arc Repressor Mutant, subunit A
Homology: HetR, N-terminal DNA-binding domain
Occurring in:
  1. DNA-binding transcriptional activator HetR
The deposited structure of PDB entry 4hri contains 2 copies of CATH domain 1.10.10.1680 (Arc Repressor Mutant, subunit A) in DNA-binding transcriptional activator HetR. Showing 1 copy in chain A [auth B].