| Primary Identifier | MGI:2654257 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mab21l1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The entire gene coding region was replaced with a neomycin resistance cassette via homologous recombination. Absence of gene expression in homozygous mutants was confirmed by whole mount in situ hybridization analysis of E10.5 homozygous mutant embryos. |