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Spag4 Gene Detail
Summary
  • Symbol
    Spag4
  • Name
    sperm associated antigen 4
  • Synonyms
    1700041K21Rik, Sun4
  • Feature Type
    protein coding gene
  • IDs
    MGI:2444120
    NCBI Gene: 245865
  • Alliance
  • Transcription Start Sites
    3 TSS
Location &
Maps
more
  • Sequence Map
    Chr2:155907108-155911421 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 2, 77.34 cM
  • Mapping Data
    1 experiment
Strain
Comparison
more
  • SNPs within 2kb
    232 from dbSNP Build 142
  • Strain Annotations
    18
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_2444120
protein coding gene Chr2:155907095-155912537 (+)
129S1/SvImJ MGP_129S1SvImJ_G0026754
protein coding gene Chr2:160922841-160928302 (+)
A/J MGP_AJ_G0026720
protein coding gene Chr2:154536129-154541639 (+)
AKR/J MGP_AKRJ_G0026691
protein coding gene Chr2:159020726-159026168 (+)
BALB/cJ MGP_BALBcJ_G0026729
protein coding gene Chr2:154831070-154836524 (+)
C3H/HeJ MGP_C3HHeJ_G0026472
protein coding gene Chr2:159383927-159389381 (+)
C57BL/6NJ MGP_C57BL6NJ_G0027178
protein coding gene Chr2:165652613-165658055 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0024548
protein coding gene Chr2:148030773-148036023 (+)
CAST/EiJ MGP_CASTEiJ_G0025933
protein coding gene Chr2:159712057-159717472 (+)
CBA/J MGP_CBAJ_G0026449
protein coding gene Chr2:171659862-171676925 (+)
DBA/2J MGP_DBA2J_G0026586
protein coding gene Chr2:153708187-153713628 (+)
FVB/NJ MGP_FVBNJ_G0026553
protein coding gene Chr2:152087506-152093311 (+)
LP/J MGP_LPJ_G0026691
protein coding gene Chr2:161063092-161068558 (+)
NOD/ShiLtJ MGP_NODShiLtJ_G0026574
protein coding gene Chr2:175625168-175630600 (+)
NZO/HlLtJ MGP_NZOHlLtJ_G0027234
protein coding gene Chr2:158899511-158904939 (+)
PWK/PhJ MGP_PWKPhJ_G0025667
protein coding gene Chr2:153214669-153220107 (+)
SPRET/EiJ MGP_SPRETEiJ_G0025470
protein coding gene Chr2:157844064-157849502 (+)
WSB/EiJ MGP_WSBEiJ_G0026003
protein coding gene Chr2:159786562-159791968 (+)



Homology
more
  • Human Ortholog
    SPAG4, sperm associated antigen 4
  • Vertebrate Orthologs
    2
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    SPAG4, sperm associated antigen 4
  • Synonyms
    CT127, SUN4
  • Links
    NCBI Gene ID: 6676
    neXtProt AC: NX_Q9NPE6
    UniProt: Q9NPE6

  • Chr Location
    20q11.22; chr20:35615829-35621094 (+)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    21 phenotypes from 2 alleles in 3 genetic backgrounds
    12 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 show disrupted spermiogenesis, severe defects in sperm head formation, abnormal manchette morphology, globozoospermia, and male infertility.
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
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 245865 NCBI Gene Model | MGI Sequence Detail 4314 C57BL/6J ±  kb
    transcript NM_139151 RefSeq | MGI Sequence Detail 1502 C57BL/6  
    polypeptide Q9JJF2 UniProt | EBI | MGI Sequence Detail 443 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 12
      Genomic 1
      cDNA 11

      Microarray probesets 3
    References
    more
    • Summaries
      All 34
      Developmental Gene Expression 1
      Gene Ontology 4
      Phenotypes 12
    • Earliest
      J:80000 The FANTOM Consortium and The RIKEN Genome Exploration Research Group Phase I & II Team, Analysis of the mouse transcriptome based on functional annotation of 60,770 full-length cDNAs. Nature. 2002;420:563-573
    • Latest
      J:345621 Adams DJ, et al., Genetic determinants of micronucleus formation in vivo. Nature. 2024 Mar;627(8002):130-136

    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
    12/10/2024
    MGI 6.24
    The Jackson Laboratory