Function and Biology

Structure of NF-kB p65-p50 heterodimer bound to PRDII element of B-interferon promoter

Source organism: Mus musculus
Biochemical function: DNA-binding transcription factor activity
Biological process: regulation of DNA-templated transcription
Cellular component: cytoplasm

GO terms

Sequence families

Pfam Protein families (Pfam)
PF16179
Domain description: Rel homology dimerisation domain
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
The deposited structure of PDB entry 2i9t contains 1 copy of Pfam domain PF16179 (Rel homology dimerisation domain) in Transcription factor p65. Showing 1 copy in chain C [auth A].
The deposited structure of PDB entry 2i9t contains 1 copy of Pfam domain PF16179 (Rel homology dimerisation domain) in Nuclear factor NF-kappa-B p50 subunit. Showing 1 copy in chain D [auth B].

PF00554
Domain description: Rel homology DNA-binding domain
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
The deposited structure of PDB entry 2i9t contains 1 copy of Pfam domain PF00554 (Rel homology DNA-binding domain) in Transcription factor p65. Showing 1 copy in chain C [auth A].
The deposited structure of PDB entry 2i9t contains 1 copy of Pfam domain PF00554 (Rel homology DNA-binding domain) in Nuclear factor NF-kappa-B p50 subunit. Showing 1 copy in chain D [auth B].

InterPro InterPro annotations
IPR000451
Domain description: NF-kappa-B/Dorsal
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR011539
Domain description: Rel homology domain, DNA-binding domain
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR032397
Domain description: Rel homology dimerisation domain
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR033926
Domain description: NFkappaB IPT domain
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR002909
Domain description: IPT domain
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR014756
Domain description: Immunoglobulin E-set
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR013783
Domain description: Immunoglobulin-like fold
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR030492
Domain description: Rel homology domain, conserved site
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR008967
Domain description: p53-like transcription factor, DNA-binding domain superfamily
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR037059
Domain description: Rel homology domain (RHD), DNA-binding domain superfamily
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
IPR030503
Domain description: Nuclear factor NF-kappa-B, p105 subunit, Rel homology domain, N-terminal
Occurring in:
  1. Nuclear factor NF-kappa-B p50 subunit
IPR030495
Domain description: Transcription factor p65, RHD domain, N-terminal
Occurring in:
  1. Transcription factor p65

Structure domains

CATH CATH domains
2.60.40.10
Class: Mainly Beta
Architecture: Sandwich
Topology: Immunoglobulin-like
Homology: Immunoglobulins
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
The deposited structure of PDB entry 2i9t contains 1 copy of CATH domain 2.60.40.10 (Immunoglobulin-like) in Transcription factor p65. Showing 1 copy in chain C [auth A].
The deposited structure of PDB entry 2i9t contains 1 copy of CATH domain 2.60.40.10 (Immunoglobulin-like) in Nuclear factor NF-kappa-B p50 subunit. Showing 1 copy in chain D [auth B].
2.60.40.340
Class: Mainly Beta
Architecture: Sandwich
Topology: Immunoglobulin-like
Homology: Rel homology domain (RHD), DNA-binding domain
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
The deposited structure of PDB entry 2i9t contains 1 copy of CATH domain 2.60.40.340 (Immunoglobulin-like) in Transcription factor p65. Showing 1 copy in chain C [auth A].
The deposited structure of PDB entry 2i9t contains 1 copy of CATH domain 2.60.40.340 (Immunoglobulin-like) in Nuclear factor NF-kappa-B p50 subunit. Showing 1 copy in chain D [auth B].
SCOP SCOP annotations
81279
Class: All beta proteins
Fold: Immunoglobulin-like beta-sandwich
Superfamily: E set domains
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
The deposited structure of PDB entry 2i9t contains 1 copy of SCOP domain 81279 (NF-kappa-B/REL/DORSAL transcription factors, C-terminal domain) in Transcription factor p65. Showing 1 copy in chain C [auth A].
The deposited structure of PDB entry 2i9t contains 1 copy of SCOP domain 81279 (NF-kappa-B/REL/DORSAL transcription factors, C-terminal domain) in Nuclear factor NF-kappa-B p50 subunit. Showing 1 copy in chain D [auth B].
81315
Class: All beta proteins
Fold: Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily: p53-like transcription factors
Occurring in:
  1. Transcription factor p65
  2. Nuclear factor NF-kappa-B p50 subunit
The deposited structure of PDB entry 2i9t contains 1 copy of SCOP domain 81315 (Rel/Dorsal transcription factors, DNA-binding domain) in Transcription factor p65. Showing 1 copy in chain C [auth A].
The deposited structure of PDB entry 2i9t contains 1 copy of SCOP domain 81315 (Rel/Dorsal transcription factors, DNA-binding domain) in Nuclear factor NF-kappa-B p50 subunit. Showing 1 copy in chain D [auth B].