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Serpina3k Gene Detail
Summary
  • Symbol
    Serpina3k
  • Name
    serine (or cysteine) peptidase inhibitor, clade A, member 3K
  • Synonyms
    1300001I07Rik, alpha-1 antiproteinase, contrapsin, D12Rp54, MMCM2, MMSpi2, RP54, Spi-2, Spi2
  • Feature Type
    protein coding gene
  • IDs
    MGI:98377
    NCBI Gene: 20714
  • Alliance
  • Transcription Start Sites
    27 TSS
Location &
Maps
more
  • Sequence Map
    Chr12:104304745-104311998 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 12, 53.99 cM, cytoband F1
  • Mapping Data
    12 experiments
Strain
Comparison
more
  • SNPs within 2kb
    332 from dbSNP Build 142
  • Strain Annotations
    19
  • RFLP
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_98377
protein coding gene Chr12:104304745-104312403 (+)
129S1/SvImJ ENSMUSG00200023966
protein coding gene Chr12:96042300-96049956 (+)
A/J ENSMUSG00195020334
protein coding gene Chr12:98632350-98640008 (+)
AKR/J ENSMUSG00220037897
protein coding gene Chr12:96439871-96447527 (+)
BALB/cJ ENSMUSG00180035729
protein coding gene Chr12:97773548-97781204 (+)
C3H/HeJ ENSMUSG00175032733
protein coding gene Chr12:100444529-100452187 (+)
C57BL/6NJ ENSMUSG00215040351
protein coding gene Chr12:97106434-97114092 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0018073
protein coding gene Chr12:98817002-98820256 (+)
CAST/EiJ ENSTCUG00005018653
protein coding gene Chr12:96546320-96553980 (+)
CBA/J ENSMUSG00210014310
protein coding gene Chr12:97465494-97473150 (+)
DBA/2J ENSMUSG00185044816
protein coding gene Chr12:99231578-99239234 (+)
FVB/NJ ENSMUSG00205016283
protein coding gene Chr12:96465660-96473316 (+)
JF1/MsJ ENSUMUG00000022035
protein coding gene Chr12:103999761-104007418 (+)
LP/J ENSMUSG00230030354
protein coding gene Chr12:106307619-106392407 (+)
NOD/ShiLtJ ENSMUSG00190021787
protein coding gene Chr12:88739744-88747400 (-)
NZO/HlLtJ ENSMUSG00225036674
protein coding gene Chr12:108071072-108078730 (+)
PWK/PhJ ENSLUMG00010013245
protein coding gene Chr12:97442179-97449836 (+)
SPRET/EiJ ENSMSPG00010016835
protein coding gene Chr12:99791548-99799224 (+)
WSB/EiJ ENSIUOG00005008455
protein coding gene Chr12:96476368-96484025 (+)



Homology
more
  • Human Ortholog
    SERPINA3, serpin family A member 3
  • Vertebrate Orthologs
    11
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    SERPINA3, serpin family A member 3
  • Synonyms
    AACT, ACT, GIG24, GIG25
  • Links
    NCBI Gene ID: 12
    UniProt: P01011

  • Chr Location
    14q32.13; chr14:94612377-94624645 (+)  GRCh38

Human Diseases
more
  • Diseases
    3 with human SERPINA3 associations

Human Disease Mouse Models
      
IDs
IDs
IDs
Click on a disease name to see all genes associated with that disease.

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    7 phenotypes from 1 allele in 1 genetic background
    10 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 a knock-out allele are viable and show decreased susceptibility to kidney reperfusion injury
Gene Ontology
(GO)
Classifications
less
  • 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
less
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
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 20714 NCBI Gene Model | MGI Sequence Detail 7254 C57BL/6J ±  kb
    transcript NM_011458 RefSeq | MGI Sequence Detail 1652 ZRU/MplStud  
    polypeptide P07759 UniProt | EBI | MGI Sequence Detail 418 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 517
      Genomic 1
      cDNA 515
      Other 1

      Microarray probesets 4
    Other
    Accession IDs
    less
    MGD-MRK-14022, MGD-MRK-14521, MGD-MRK-14526, MGD-MRK-3357, MGI:1915688
    References
    more
    • Summaries
      All 76
      Developmental Gene Expression 4
      Gene Ontology 8
      Phenotypes 10
    • Earliest
      J:5549 Wilcox FH, Genetic variation in plasma prealbumin of the house mouse. J Hered. 1975 Jan-Feb;66(1):19-22
    • Latest
      J:375766 Gonzalez-Soria I, et al., SerpinA3k Deficiency Ameliorates Experimental type 2 Diabetes. Cell Mol Life Sci. 2025 Dec 2;82(1):434

    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