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Spontaneous Allele Detail
Symbol: at
Name: nonagouti; black and tan
MGI ID: MGI:1855941
Gene: a  Location: Chr2:154792519-154892932 bp, + strand  Genetic Position: Chr2, 76.83 cM
Alliance: at page

Show the 3 phenotype image(s) involving this allele.

Strain of Origin:  English fancy stock
Allele Type:    Spontaneous
Mutation:    Insertion
Mutation detailsThis allele comprises a 6 kb insertion containing a retrovirus-like transposable element VL30 and a single 526 bp repeat into the first intron of the agouti gene at the same position as for alleles a and Aw. (J:16984)
Inheritance:    Other (see notes)
View phenotypes and curated references for all genotypes (concatenated display).
In Mice Carrying this Mutation: 2 assay results
In Structures Affected by this Mutation: 1 anatomical structures
Tumor Data
List all tumor models in MMHCdb carrying at
Find Mice (IMSR)
Mouse strains and cell lines available from the International Mouse Strain Resource (IMSR)
Carrying this Mutation:  Mouse Strains: 8 strains available      Cell Lines: 0 lines available
Carrying any a Mutation:  459 strains or lines available
This allele is recessive to A and Aw on the dorsum and dominant to all agouti alleles on the ventrum except for Aw from which it is indistinguishable (J:78801) .
Original:  J:15011 Dunn LC, A Fifth Allelomorph in the Agouti Series of the House Mouse. Proc Natl Acad Sci U S A. 1928 Oct;14(10):816-9
All:  20 reference(s)

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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last database update
MGI 6.22
The Jackson Laboratory