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Guidelines

MIRAGE

CD8 subunit beta

Summary

Gene Symbol

Cd8b

Organism

Rattus norvegicus (Norway rat)

External Links

NCBI Gene

24931

KEGG Gene ID

PubChem

24931

Alliance of Genome Resources

RGD:2317

Annotation

Keyword

Adaptive immunity
Cell membrane
Disulfide bond
Glycoprotein
Immunoglobulin domain
Palmitate
Reference proteome
Signal
Transmembrane helix

Proteins

Displaying **all 2** entries
UniProt	Protein Name
P05541	CD8 antigen 37 kDa chain OX-8 membrane antigen
G3V6V7

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 4** entries
GO Term	Evidence Code	PMID
adaptive immune response
T cell activation	ISO
regulation of immune response	IEA
T cell receptor signaling pathway	ISO

GO Hierarchy

biological process

immune system process [inference]

activation of immune response [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

immune response [inference]

adaptive immune response

leukocyte activation [inference]

lymphocyte activation [inference]

T cell activation

cellular process [inference]

cell activation [inference]

leukocyte activation [inference]

lymphocyte activation [inference]

T cell activation

signal transduction [inference]

immune response-regulating signaling pathway [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

immune response-regulating cell surface receptor signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

cell surface receptor signaling pathway [inference]

immune response-regulating cell surface receptor signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

multicellular organismal process [inference]

cell activation [inference]

leukocyte activation [inference]

lymphocyte activation [inference]

T cell activation

response to stimulus [inference]

immune response [inference]

adaptive immune response

biological regulation [inference]

regulation of biological process [inference]

regulation of immune system process [inference]

positive regulation of immune system process [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

regulation of immune response

immune response-regulating signaling pathway [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

immune response-regulating cell surface receptor signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

positive regulation of immune response [inference]

activation of immune response [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

positive regulation of biological process [inference]

positive regulation of immune system process [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

positive regulation of response to stimulus [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

regulation of response to stimulus [inference]

positive regulation of response to stimulus [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

regulation of immune response

immune response-regulating signaling pathway [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

immune response-regulating cell surface receptor signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

positive regulation of immune response [inference]

activation of immune response [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

regulation of cellular process [inference]

signal transduction [inference]

immune response-regulating signaling pathway [inference]

immune response-activating signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

immune response-regulating cell surface receptor signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

cell surface receptor signaling pathway [inference]

immune response-regulating cell surface receptor signaling pathway [inference]

immune response-activating cell surface receptor signaling pathway [inference]

antigen receptor-mediated signaling pathway [inference]

T cell receptor signaling pathway

Displaying entries **1 - 5** of 6 in total

1

2

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GO Term	Evidence Code	PMID
plasma membrane	ISS
plasma membrane	ISO
plasma membrane	IEA
external side of plasma membrane
cell surface

GO Hierarchy

cellular component

protein-containing complex [inference]

signaling receptor complex

cellular anatomical structure [inference]

cell surface

membrane [inference]

plasma membrane

side of membrane [inference]

external side of plasma membrane

Displaying **all 2** entries
GO Term	Evidence Code	PMID
coreceptor activity	IEA
MHC class I protein binding	IEA

GO Hierarchy

molecular function

binding [inference]

protein binding [inference]

signaling receptor binding [inference]

MHC protein binding [inference]

MHC class I protein binding

molecular transducer activity [inference]

signaling receptor activity [inference]

coreceptor activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

T-cell surface glycoprotein CD8 beta chain

Functional Category

J: Translation, ribosomal structure and biogenesis
M: Cell wall/membrane/envelope biogenesis
O: Posttranslational modification, protein turnover, chaperones

Displaying **all 2** entries
Gene Ontology
MHC class I protein binding
regulation of immune response

Displaying **all 6** entries
InterPro
Immunoglobulin V-set domain
Immunoglobulin subtype
Immunoglobulin-like domain superfamily
Immunoglobulin-like domain
Immunoglobulin-like fold
T-cell surface glycoprotein CD8 beta chain

Ortholog

Displaying **all 2** entries
Species	Gene ID	Alliance of Genome Resources
Mus musculus	12526	MGI:88347
Homo sapiens	926	HGNC:1707

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Partly supported by NIH Common Fund Grant #1U01GM125267-01

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Last updated: April 6, 2026