Mus musculus Protein: Chkb
Summary
InnateDB Protein IDBP-174206.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol Chkb
Protein Name choline kinase beta
Synonyms Chetk; Chkl; Ck; Ck/Ek; Ck/Ek-beta; Ckb; Ckekb; Ek;
Species Mus musculus
Ensembl Protein ENSMUSP00000023289
InnateDB Gene IDBG-174075 (Chkb)
Protein Structure
UniProt Annotation
Function Has a key role in phospholipid biosynthesis. Catalyzes the first step in phosphatidylethanolamine biosynthesis. Phosphorylates ethanolamine, and can also act on choline (in vitro). Has higher activity with ethanolamine. May not significantly contribute to in vivo phosphatidylcholine biosynthesis (By similarity). {ECO:0000250}.
Subcellular Localization
Disease Associations Note=Defects in Chkb are a cause of rostrocaudal muscular dystrophy (rmd). The disease is characterized by rapidly progressive muscular dystrophy and neonatal forelimb bone deformity. The dystrophy is only evident in skeletal muscle tissues in an unusual rostral-to-caudal gradient. {ECO:0000269PubMed:16371353}.
Tissue Specificity Expressed ubiquitously with the highest level in testis.
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 0 experimentally validated interaction(s) in this database.
They are also associated with 1 interaction(s) predicted by orthology.
Predicted by orthology
Total 1 [view]
Gene Ontology

Molecular Function
Accession GO Term
GO:0004103 choline kinase activity
GO:0004305 ethanolamine kinase activity
GO:0005524 ATP binding
GO:0016772 transferase activity, transferring phosphorus-containing groups
Biological Process
GO:0006646 phosphatidylethanolamine biosynthetic process
GO:0006656 phosphatidylcholine biosynthetic process
GO:0006657 CDP-choline pathway
GO:0007517 muscle organ development
GO:0016310 phosphorylation
Cellular Component
Protein Structure and Domains
PDB ID MGI:1328313
InterPro IPR002575 Aminoglycoside phosphotransferase
IPR004119 Protein of unknown function DUF227
IPR011009 Protein kinase-like domain
PFAM PF01636
PF02958
PRINTS
PIRSF
SMART
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt O55229
PhosphoSite PhosphoSite-
TrEMBL Q8CJF0
UniProt Splice Variant
Entrez Gene 12651
UniGene Mm.227738
RefSeq NP_031718
MGI ID
MGI Symbol Chkb
OMIM
CCDS CCDS27750
HPRD
IMGT
EMBL AB011000 AB011001 AB030615 AB085661 BC068195 CH466550
GenPept AAH68195 BAA24896 BAA24897 BAA88151 BAC24125 EDL04339