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Pdcd1lg2 Gene Detail
Summary
  • Symbol
    Pdcd1lg2
  • Name
    programmed cell death 1 ligand 2
  • Synonyms
    B7-DC, Btdc, F730015O22Rik, PD-L2
  • Feature Type
    protein coding gene
  • IDs
    MGI:1930125
    NCBI Gene: 58205
  • Alliance
  • Transcription Start Sites
    14 TSS
Location &
Maps
more
  • Sequence Map
    Chr19:29388319-29448561 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 19, 23.93 cM, cytoband C2-C3
  • Mapping Data
    2 experiments
Strain
Comparison
more
  • SNPs within 2kb
    1631 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1930125
protein coding gene Chr19:29388319-29450327 (+)
129S1/SvImJ ENSMUSG00200020221
protein coding gene Chr19:26125163-26185326 (+)
A/J ENSMUSG00195034753
protein coding gene Chr19:26279898-26340145 (+)
AKR/J ENSMUSG00220018684
protein coding gene Chr19:26339305-26399550 (+)
BALB/cJ ENSMUSG00180012886
protein coding gene Chr19:26608656-26668901 (+)
C3H/HeJ ENSMUSG00175024206
protein coding gene Chr19:25984782-26045019 (+)
C57BL/6NJ ENSMUSG00215017076
protein coding gene Chr19:26025236-26085489 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0022859
protein coding gene Chr19:26433363-26493586 (+)
CAST/EiJ ENSTCUG00005017436
protein coding gene Chr19:25850321-25908331 (+)
CBA/J ENSMUSG00210014433
protein coding gene Chr19:26215748-26275986 (+)
DBA/2J ENSMUSG00185025626
protein coding gene Chr19:26602490-26662731 (+)
FVB/NJ ENSMUSG00205010845
protein coding gene Chr19:25996529-26056777 (+)
JF1/MsJ ENSUMUG00000024885
protein coding gene Chr19:26804462-26863952 (+)
LP/J ENSMUSG00230027629
protein coding gene Chr19:27418801-27478962 (+)
NOD/ShiLtJ ENSMUSG00190018986
protein coding gene Chr19:25979243-26039483 (+)
NZO/HlLtJ ENSMUSG00225029156
protein coding gene Chr19:31172016-31232254 (+)
PWK/PhJ ENSLUMG00010032663
protein coding gene Chr19:26192823-26251004 (+)
SPRET/EiJ ENSMSPG00010034810
protein coding gene Chr19:26152514-26196635 (+)
WSB/EiJ ENSIUOG00005026860
protein coding gene Chr19:25711396-25771516 (+)



Homology
more
  • Human Ortholog
    PDCD1LG2, programmed cell death 1 ligand 2
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    PDCD1LG2, programmed cell death 1 ligand 2
  • Synonyms
    B7DC, bA574F11.2, Btdc, CD273, PDCD1L2, PD-L2, PDL2
  • Links
    NCBI Gene ID: 80380
    UniProt: Q9BQ51

  • Chr Location
    9p24.1; chr9:5510491-5571282 (+)  GRCh38

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    21 phenotypes from 5 alleles in 6 genetic backgrounds
    5 phenotypes from multigenic genotypes
    52 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Mice homozygous for disruptions in this gene have dendritic cells that display a diminished ability to activate CD4+ T cells.
Gene Ontology
(GO)
Classifications
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  • All GO Annotations
  • GO References
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
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Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
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    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000016498 Ensembl Gene Model | MGI Sequence Detail 60243 C57BL/6J ±  kb
    transcript ENSMUST00000235164 Ensembl | MGI Sequence Detail 1729 Not Applicable  
    polypeptide ENSMUSP00000158422 Ensembl | MGI Sequence Detail 247 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 10
      cDNA 8
      Primer pair 2
      Antibodies 2

      Microarray probesets 2
    Other
    Accession IDs
    less
    MGI:2442044
    References
    more
    • Summaries
      All 124
      Developmental Gene Expression 2
      Gene Ontology 11
      Phenotypes 52
    • Earliest
      J:67842 Latchman Y, et al., PD-L2 is a second ligand for PD-I and inhibits T cell activation. Nat Immunol. 2001 Mar;2(3):261-8
    • Latest
      J:389072 Ontiveros CO, et al., Anti-PD-L2 immunotherapy is efficacious against melanoma in aged hosts through IL-17 and IFNgamma signalling. Nat Commun. 2025 Nov 19;16(1):10176

    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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    Funding Information
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    last database update
    09/08/2026
    MGI 6.24
    The Jackson Laboratory