Preferred Name

Histocompatibility Antigens Class II [Chemical/Ingredient]
Synonyms

Ia Antigens

Antigens, Immune Response

Immune-Response-Associated Antigens

I-A Antigen

Immune Response Antigens

Class II Histocompatibility Antigens

Ia-Like Antigens

Class II Major Histocompatibility Antigens

I-A-Antigen

Class II Antigens

Histocompatibility Antigens Class II

IA Antigen

Class II Antigen

ID

http://purl.bioontology.org/ontology/NDFRT/N0000171090

altLabel

Ia Antigens

Antigens, Immune Response

Immune-Response-Associated Antigens

I-A Antigen

Immune Response Antigens

Class II Histocompatibility Antigens

Ia-Like Antigens

Class II Major Histocompatibility Antigens

I-A-Antigen

Class II Antigens

Histocompatibility Antigens Class II

IA Antigen

Class II Antigen

cui

C0019630

MESH DEFINITION

Large, transmembrane, non-covalently linked glycoproteins (alpha and beta). Both chains can be polymorphic although there is more structural variation in the beta chains. The class II antigens in humans are called HLA-D ANTIGENS and are coded by a gene on chromosome 6. In mice, two genes named IA and IE on chromosome 17 code for the H-2 antigens. The antigens are found on B-lymphocytes, macrophages, epidermal cells, and sperm and are thought to mediate the competence of and cellular cooperation in the immune response. The term IA antigens used to refer only to the proteins encoded by the IA genes in the mouse, but is now used as a generic term for any class II histocompatibility antigen.

MESH DUI

D000949

MeSH name

Histocompatibility Antigens Class II

MESH UI

M0001420

NDFRT kind

INGREDIENT_KIND

notation

N0000171090

NUI

N0000171090

prefLabel

Histocompatibility Antigens Class II [Chemical/Ingredient]

tui

T116

T129

subClassOf

http://purl.bioontology.org/ontology/NDFRT/N0000171087

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