Preferred Name

T-Cell Receptor

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17065

code

C17065

Concept_In_Subset

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C116977

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C142799

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C142800

Contributing_Source

CTRP

DEFINITION

Heterodimeric antigen receptors present on the surface of T-cells. Two T-cell antigen receptors have been identified, consisting of heterodimeric 40-55 kD Ig-like alpha/beta or gamma/delta integral membrane glycoproteins. Genes for TCR alpha, beta, gamma, and delta subunits are assembled during T-cell development by somatic rearrangement of germline gene segments, resembling B-cell Ig genes in their mechanisms of diversity generation and activation of expression. Alpha/beta heterodimers are found on helper and cytotoxic T-cells and are specific for antigenic peptides presented by MHC gene products. T-cells expressing gamma/delta heterodimers directly recognize proteins and non-proteinacious phospho-ligands. T-cell receptors are non-covalently associated with CD3, forming the TCR-CD3 complex. TCRs activate MAPKs and JNK1 through the CD3 antigens, the adaptor protein LAT, and tyrosine kinases LCK and ZAP70. (from OMIM and NCI)

Display_Name

T-Cell Receptor

FULL_SYN

Major Histocompatibility Complex Receptor

T-Cell Receptor

MHC Receptor

TCR

label

T-Cell Receptor

Legacy Concept Name

T-Cell_Receptor

Preferred_Name

T-Cell Receptor

prefixIRI

Thesaurus:C17065

prefLabel

T-Cell Receptor

Semantic_Type

Immunologic Factor

Receptor

Amino Acid, Peptide, or Protein

UMLS_CUI

C0034790

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C21176

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