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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Phactr4Gt(RRA075)Byg
gene trap RRA075, BayGenomics
MGI:3720739
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Phactr4Gt(RRA075)Byg/Phactr4Gt(RRA075)Byg involves: 129P2/OlaHsd * C3H MGI:3721224
ht2
 		Phactr4Gt(RRA075)Byg/Phactr4humdy involves: 129P2/OlaHsd * C57BL/6J MGI:3721225


Genotype
MGI:3721224
hm1
Allelic
Composition		 Phactr4Gt(RRA075)Byg/Phactr4Gt(RRA075)Byg
Genetic
Background		 involves: 129P2/OlaHsd * C3H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Phactr4Gt(RRA075)Byg mutation (0 available); any Phactr4 mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
embryo
abnormal embryo development ( J:123924 )
• mice display less severe disruptions in development than Phactr4humdy homozygotes




Genotype
MGI:3721225
ht2
Allelic
Composition		 Phactr4Gt(RRA075)Byg/Phactr4humdy
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Phactr4Gt(RRA075)Byg mutation (0 available); any Phactr4 mutation (61 available)
Phactr4humdy mutation (1 available); any Phactr4 mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
exencephaly ( J:123924 )
• pups display exencephaly




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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Send questions and comments to User Support. 		last database update
09/30/2025
MGI 6.24 		The Jackson Laboratory