Online Mendelian Inheritance in Man

Last uploaded: March 22, 2026

Id	http://purl.bioontology.org/ontology/OMIM/620610 http://purl.bioontology.org/ontology/OMIM/620610
Preferred Name	OOCYTE/ZYGOTE/EMBRYO MATURATION ARREST 21
Synonyms	OZEMA21
Type	http://www.w3.org/2002/07/owl#Class

altLabel	OZEMA21
prefLabel	OOCYTE/ZYGOTE/EMBRYO MATURATION ARREST 21
Gene Symbol	CHEK1 OZEMA21 CHK1
Scope Statement	Caused by mutation in the checkpoint kinase-1 gene (CHEK1, 603078.0001) [MOLECULAR BASIS] Male carriers are unaffected [MISCELLANEOUS]
type	http://www.w3.org/2002/07/owl#Class
Has manifestation	http://purl.bioontology.org/ontology/OMIM/MTHU006969 http://purl.bioontology.org/ontology/OMIM/MTHU077948 http://purl.bioontology.org/ontology/OMIM/MTHU077949
tui	T047
Gene Locus	11q22-q23
MIMTYPEMEANING	Phenotype description, molecular basis known.
notation	620610
Semantic type UMLS property	http://purl.bioontology.org/ontology/STY/T047
Has inheritance type	http://purl.bioontology.org/ontology/OMIM/MTHU000018
cui	C5882722
OMIM Entry Type	3
OMIM MimType Value	pound

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