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Guidelines

MIRAGE

CD8 subunit beta 1

Summary

Gene Symbol

Cd8b1

Organism

Mus musculus (house mouse)

External Links

NCBI Gene

12526

PubChem

12526

Alliance of Genome Resources

MGI:88347

Annotation

Keyword

3D-structure
Adaptive immunity
Disulfide bond
Glycoprotein
Immunoglobulin domain
Reference proteome
Signal
Transmembrane helix

Proteins

Displaying **all 2** entries
UniProt	Protein Name
P10300	Lymphocyte antigen 3 T-cell membrane glycoprotein Ly-3 T-cell surface glycoprotein Lyt-3
Q3TEK8

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 3** entries
GO Term	Evidence Code	PMID
adaptive immune response	NAS	22081144
T cell activation	ISO
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 [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

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 [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

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

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2

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GO Term	Evidence Code	PMID
plasma membrane	ISO
plasma membrane	IDA	22081144
external side of plasma membrane	IDA	10704459 15294943 1673361 7589135
cell surface	IDA	14568922
cell surface	IBA

GO Hierarchy

cellular component

protein-containing complex [inference]

receptor complex

cellular anatomical entity [inference]

cell surface

membrane [inference]

plasma membrane

side of membrane [inference]

external side of plasma membrane

Displaying **all 3** entries
GO Term	Evidence Code	PMID
protein binding	IPI	12215456
coreceptor activity	IEA
MHC class I protein binding	IEA

GO Hierarchy

molecular function

binding [inference]

protein binding

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

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

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

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Last updated: December 8, 2025