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Spam1 Gene Detail
Summary
  • Symbol
    Spam1
  • Name
    sperm adhesion molecule 1
  • Synonyms
    Ph-20
  • Feature Type
    protein coding gene
  • IDs
    MGI:109335
    NCBI Gene: 20690
  • Alliance
  • Transcription Start Sites
    2 TSS
Location &
Maps
more
  • Sequence Map
    Chr6:24791187-24801047 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 6, 11.28 cM, cytoband A2
  • Mapping Data
    6 experiments
Strain
Comparison
more
  • SNPs within 2kb
    293 from dbSNP Build 142
  • Strain Annotations
    19
  • RFLP
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_109335
protein coding gene Chr6:24791187-24801047 (+)
129S1/SvImJ ENSMUSG00200035063
protein coding gene Chr6:21843312-21853208 (+)
A/J ENSMUSG00195007764
protein coding gene Chr6:21785047-21794907 (+)
AKR/J ENSMUSG00220003114
protein coding gene Chr6:21355197-21365057 (+)
BALB/cJ ENSMUSG00180022081
protein coding gene Chr6:21916052-21925906 (+)
C3H/HeJ ENSMUSG00175017309
protein coding gene Chr6:21774419-21784315 (+)
C57BL/6NJ ENSMUSG00215022748
protein coding gene Chr6:21859734-21869594 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0028148
protein coding gene Chr6:19874143-19884608 (+)
CAST/EiJ ENSTCUG00005024332
protein coding gene Chr6:21465013-21474871 (+)
CBA/J ENSMUSG00210003407
protein coding gene Chr6:21792743-21802639 (+)
DBA/2J ENSMUSG00185020619
protein coding gene Chr6:21895876-21905748 (+)
FVB/NJ ENSMUSG00205022766
protein coding gene Chr6:21865621-21875517 (+)
JF1/MsJ ENSUMUG00000020833
protein coding gene Chr6:21627461-21637352 (+)
LP/J ENSMUSG00230029607
protein coding gene Chr6:22860257-22870165 (+)
NOD/ShiLtJ ENSMUSG00190023521
protein coding gene Chr6:21647417-21657271 (+)
NZO/HlLtJ ENSMUSG00225014248
protein coding gene Chr6:24800689-24810549 (+)
PWK/PhJ ENSLUMG00010022037
protein coding gene Chr6:21404356-21414365 (+)
SPRET/EiJ ENSMSPG00010021554
protein coding gene Chr6:21746625-21752057 (+)
WSB/EiJ ENSIUOG00005029918
protein coding gene Chr6:21915997-21925851 (+)



Homology
more
  • Human Ortholog
    SPAM1, sperm adhesion molecule 1
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    SPAM1, sperm adhesion molecule 1
  • Synonyms
    HEL-S-96n, HYA1, HYAL5, PH-20, PH20, SPAG15
  • Links
    NCBI Gene ID: 6677
    UniProt: P38567

  • Chr Location
    7q31.32; chr7:123925237-123971414 (+)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    2 phenotypes from 1 allele in 2 genetic backgrounds
    11 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.
Male homozygotes for a targeted null mutation are normally fertile, but in vitro their sperm are slower at clearing cells from the cumulus mass.
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
Sequences &
Gene Models
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Representative SequencesLengthStrain/SpeciesFlank
genomic 20690 NCBI Gene Model | MGI Sequence Detail 9861 C57BL/6J ±  kb
transcript NM_001079875 RefSeq | MGI Sequence Detail 2113 ZRU/MplStud  
polypeptide P48794 UniProt | EBI | MGI Sequence Detail 512 Not Applicable  
For the selected sequence
Protein
Information
less
Molecular
Reagents
less
  • All nucleic 7
    Genomic 2
    cDNA 5

    Microarray probesets 3
Other
Accession IDs
less
MGD-MRK-38380, MGI:2141611
References
more
  • Summaries
    All 43
    Developmental Gene Expression 1
    Gene Ontology 9
    Phenotypes 11
  • Earliest
    J:38913 Deng X, et al., The mouse Spam1 maps to proximal chromosome 6 and is a candidate for the sperm dysfunction in Rb(6.16)24Lub and Rb(6.15)1Ald heterozygotes. Mamm Genome. 1997 Feb;8(2):94-7
  • Latest
    J:326541 Cyagen Biosciences Inc., Cyagen Biosciences Website. 2022;

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
09/01/2026
MGI 6.24
The Jackson Laboratory