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Myo18a Gene Detail
Summary
  • Symbol
    Myo18a
  • Name
    myosin XVIIIA
  • Synonyms
    MyoPDZ
  • Feature Type
    protein coding gene
  • IDs
    MGI:2667185
    NCBI Gene: 360013
  • Alliance
  • Transcription Start Sites
    20 TSS
Location &
Maps
more
  • Sequence Map
    Chr11:77654072-77756806 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 11, 46.74 cM
  • Mapping Data
    1 experiment
Strain
Comparison
more
  • SNPs within 2kb
    2369 from dbSNP Build 142
  • Strain Annotations
    27
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_2667185
protein coding gene Chr11:77654066-77756806 (+)
129S1/SvImJ ENSMUSG00200050806
protein coding gene Chr11:74784784-74784955 (+)
129S1/SvImJ ENSMUSGG00200054906
protein coding gene Chr11:74808855-74873544 (+)
A/J ENSMUSGG00195055473
protein coding gene Chr11:74687625-74752301 (+)
A/J ENSMUSG00195043430
protein coding gene Chr11:74663556-74663727 (+)
AKR/J ENSMUSGG00220054398
protein coding gene Chr11:74912343-74977023 (+)
AKR/J ENSMUSG00220043990
protein coding gene Chr11:74888276-74888447 (+)
BALB/cJ ENSMUSGG00180055062
protein coding gene Chr11:74876400-74941082 (+)
BALB/cJ ENSMUSG00180032912
protein coding gene Chr11:74852331-74852502 (+)
C3H/HeJ ENSMUSG00175030212
protein coding gene Chr11:74821594-74821765 (+)
C3H/HeJ ENSMUSGG00175054623
protein coding gene Chr11:74845663-74910346 (+)
C57BL/6NJ ENSMUSGG00215055261
protein coding gene Chr11:74469667-74534354 (+)
C57BL/6NJ ENSMUSG00215028594
protein coding gene Chr11:74445600-74445771 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0016781
protein coding gene Chr11:72689218-72796508 (+)
CAST/EiJ no annotation
CBA/J ENSMUSGG00210054987
protein coding gene Chr11:74664088-74728769 (+)
CBA/J ENSMUSG00210031103
protein coding gene Chr11:74640024-74640195 (+)
DBA/2J ENSMUSG00185037682
protein coding gene Chr11:74910034-74910205 (+)
DBA/2J ENSMUSGG00185057878
protein coding gene Chr11:74934097-74998774 (+)
FVB/NJ ENSMUSG00205019809
protein coding gene Chr11:74739570-74739741 (+)
FVB/NJ ENSMUSGG00205054078
protein coding gene Chr11:74763637-74828316 (+)
JF1/MsJ no annotation
LP/J ENSMUSGG00230055867
protein coding gene Chr11:75964604-76029289 (+)
LP/J ENSMUSG00230043300
protein coding gene Chr11:75940532-75940703 (+)
NOD/ShiLtJ ENSMUSG00190027968
protein coding gene Chr11:74957137-74957308 (+)
NOD/ShiLtJ ENSMUSGG00190054539
protein coding gene Chr11:74981200-75045874 (+)
NZO/HlLtJ ENSMUSG00225037269
protein coding gene Chr11:78108019-78108190 (+)
NZO/HlLtJ ENSMUSGG00225055701
protein coding gene Chr11:78132084-78196755 (+)
PWK/PhJ no annotation
SPRET/EiJ ENSMSPG00010034150
protein coding gene Chr11:75206360-75310436 (+)
WSB/EiJ no annotation



Homology
more
  • Human Ortholog
    MYO18A, myosin XVIIIA
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    MYO18A, myosin XVIIIA
  • Synonyms
    MAJN, MYSPDZ, SP-R210, SPR210, TIAF1
  • Links
    NCBI Gene ID: 399687
    UniProt: O95411, Q92614

  • Chr Location
    17q11.2; chr17:29071119-29180456 (-)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    12 phenotypes from 3 alleles in 4 genetic backgrounds
    2 phenotypes from multigenic genotypes
    26 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.
Homozygotes for a null allele exhibit embryonic lethality before E13.5, with abnormal myofibrils in cardiac myocytes.
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
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 ENSMUSG00000000631 Ensembl Gene Model | MGI Sequence Detail 102735 C57BL/6J ±  kb
    transcript ENSMUST00000168348 Ensembl | MGI Sequence Detail 6582 Not Applicable  
    polypeptide ENSMUSP00000130696 Ensembl | MGI Sequence Detail 2083 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 10
      cDNA 9
      Primer pair 1
      Antibodies 3

      Microarray probesets 3
    References
    more
    • Summaries
      All 64
      Developmental Gene Expression 5
      Gene Ontology 14
      Phenotypes 26
    • Earliest
      J:137335 Roderick TH, Chromosomal inversions in studies of mammalian mutagenesis. Genetics. 1979 May;92(1 Pt 1 Suppl):s121-6
    • Latest
      J:364671 Guan Z, et al., Disruption of the SP-A/SP-R210(L) (MYO18Aalpha) pathway prolongs gestation and reduces fetal survival during lipopolysaccharide-induced parturition in late gestation. Am J Physiol Lung Cell Mol Physiol. 2024 Apr 1;326(4):L508-L513

    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