Function and Biology

HLA-DR1 with covalently linked CLIP106-120 in canonical orientation

Source organism: Homo sapiens
Biochemical function: not assigned
Biological process: antigen processing and presentation
Cellular component: MHC class II protein complex

GO terms

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

Sequence families

Pfam Protein families (Pfam)
PF00969
Domain description: Class II histocompatibility antigen, beta domain
Occurring in:
  1. Class-II-associated invariant chain peptide; HLA class II histocompatibility antigen, DRB1 beta chain
The deposited structure of PDB entry 4ah2 contains 1 copy of Pfam domain PF00969 (Class II histocompatibility antigen, beta domain) in Class-II-associated invariant chain peptide. Showing 1 copy in chain B.

PF00993
Domain description: Class II histocompatibility antigen, alpha domain
Occurring in:
  1. HLA class II histocompatibility antigen, DR alpha chain
The deposited structure of PDB entry 4ah2 contains 1 copy of Pfam domain PF00993 (Class II histocompatibility antigen, alpha domain) in HLA class II histocompatibility antigen, DR alpha chain. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR000353
Domain description: MHC class II, beta chain, N-terminal
Occurring in:
  1. Class-II-associated invariant chain peptide; HLA class II histocompatibility antigen, DRB1 beta chain
IPR003006
IPR001003
Domain description: MHC class II, alpha chain, N-terminal
Occurring in:
  1. HLA class II histocompatibility antigen, DR alpha chain

Structure domains

CATH CATH domains
2.60.40.10
Class: Mainly Beta
Architecture: Sandwich
Topology: Immunoglobulin-like
Homology: Immunoglobulins
Occurring in:
  1. HLA class II histocompatibility antigen, DR alpha chain
  2. Class-II-associated invariant chain peptide; HLA class II histocompatibility antigen, DRB1 beta chain
The deposited structure of PDB entry 4ah2 contains 1 copy of CATH domain 2.60.40.10 (Immunoglobulin-like) in HLA class II histocompatibility antigen, DR alpha chain. Showing 1 copy in chain A.
The deposited structure of PDB entry 4ah2 contains 1 copy of CATH domain 2.60.40.10 (Immunoglobulin-like) in Class-II-associated invariant chain peptide. Showing 1 copy in chain B.
3.10.320.10
Class: Alpha Beta
Architecture: Roll
Topology: Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homology: Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Occurring in:
  1. HLA class II histocompatibility antigen, DR alpha chain
  2. Class-II-associated invariant chain peptide; HLA class II histocompatibility antigen, DRB1 beta chain
The deposited structure of PDB entry 4ah2 contains 1 copy of CATH domain 3.10.320.10 (Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1) in HLA class II histocompatibility antigen, DR alpha chain. Showing 1 copy in chain A.
The deposited structure of PDB entry 4ah2 contains 1 copy of CATH domain 3.10.320.10 (Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1) in Class-II-associated invariant chain peptide. Showing 1 copy in chain B.