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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Erp44
endoplasmic reticulum protein 44
MGI:1923549
33 phenotypes from 3 alleles in 3 genetic backgrounds
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Allelic Composition
Genetic Background
Annotated Term Reference
Erp44Gt(XB599)Byg/Erp44+
B6.129P2(129S)-Erp44Gt(XB599)Byg
abnormal calcium ion homeostasis J:244948
abnormal fetal cardiomyocyte physiology J:244948
abnormal mitochondrial crista morphology J:244948
abnormal mitochondrial matrix morphology J:244948
abnormal mitochondrial physiology J:244948
abnormal myocardial fiber mitochondrial morphology J:244948
abnormal susceptibility to injury induced morbidity/mortality J:244948
dilated mitochondrion J:244948
increased endoplasmic reticulum stress J:244948
increased myocardial fiber apoptosis J:244948
increased response of heart to induced stress J:244948
myocardial fiber disarray J:244948
oxidative stress J:244948
premature death J:244948
Erp44Gt(XB599)Byg/Erp44Gt(XB599)Byg
B6.129P2(129S)-Erp44Gt(XB599)Byg
abnormal calcium ion homeostasis J:244948
abnormal fetal cardiomyocyte physiology J:244948
abnormal heart echocardiography feature J:244948
abnormal heart morphology J:244948
abnormal mitochondrial physiology J:244948
abnormal myocardial fiber mitochondrial morphology J:244948
cardiac fibrosis J:244948
cardiac hypertrophy J:244948
decreased body size J:244948
decreased body weight J:244948
decreased heart left ventricle muscle contractility J:244948
embryonic lethality during organogenesis, incomplete penetrance J:244948
encephalomeningocele J:244948
increased cardiomyocyte apoptosis J:244948
increased endoplasmic reticulum stress J:244948
increased heart weight J:244948
increased mitochondrial size J:244948
increased myocardial fiber size J:244948
myocardial fiber disarray J:244948
oxidative stress J:244948
premature death J:244948
preweaning lethality, incomplete penetrance J:244948
Erp44m1Anu/Erp44m1Anu
involves: C57BL/6JSfdAnu * CBA/H
abnormal coat/hair pigmentation J:104190
decreased body height J:104190
scaly skin J:104190
Erp44tm1a(KOMP)Wtsi/Erp44+
C57BL/6N-Erp44tm1a(KOMP)Wtsi/Wtsi
increased bone mineral content J:211773
increased lean body mass J:211773
Erp44tm1a(KOMP)Wtsi/Erp44tm1a(KOMP)Wtsi
C57BL/6N-Erp44tm1a(KOMP)Wtsi/Wtsi
preweaning lethality, incomplete penetrance J:211773

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
07/14/2026
MGI 6.24
The Jackson Laboratory