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Chkb Gene Detail
Summary
  • Symbol
    Chkb
  • Name
    choline kinase beta
  • Synonyms
    Chetk, Chkl, CK/EK-beta
  • Feature Type
    protein coding gene
  • IDs
    MGI:1328313
    NCBI Gene: 12651
  • Alliance
    genome feature page
  • Transcription Start Sites
    3 TSS
Location &
Maps
more
  • Sequence Map
    Chr15:89310563-89314111 bp, - strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 15, 44.89 cM
  • Mapping Data
    2 experiments
Strain
Comparison
more
  • SNPs within 2kb
    154 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1328313
 protein coding gene Chr15:89310552-89314130 (-)
129S1/SvImJ ENSMUSG00200034673
 protein coding gene Chr15:86462392-86466036 (-)
A/J ENSMUSG00195019820
 protein coding gene Chr15:86384070-86387714 (-)
AKR/J ENSMUSG00220029288
 protein coding gene Chr15:86414653-86418297 (-)
BALB/cJ ENSMUSG00180014182
 protein coding gene Chr15:86237875-86241519 (-)
C3H/HeJ ENSMUSG00175025274
 protein coding gene Chr15:86570675-86574319 (-)
C57BL/6NJ ENSMUSG00215020964
 protein coding gene Chr15:86331423-86335067 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0020169
 protein coding gene Chr15:83371388-83384707 (-)
CAST/EiJ ENSTCUG00005030553
 protein coding gene Chr15:85836005-85839649 (-)
CBA/J ENSMUSG00210013000
 protein coding gene Chr15:86340125-86343769 (-)
DBA/2J ENSMUSG00185021191
 protein coding gene Chr15:86352043-86355687 (-)
FVB/NJ ENSMUSG00205031471
 protein coding gene Chr15:86112775-86116419 (-)
JF1/MsJ ENSUMUG00000039068
 protein coding gene Chr15:85920242-85923861 (-)
LP/J ENSMUSG00230042973
 protein coding gene Chr15:89702577-89706221 (-)
NOD/ShiLtJ ENSMUSG00190028142
 protein coding gene Chr15:86356567-86360626 (-)
NZO/HlLtJ ENSMUSG00225049713
 protein coding gene Chr15:90019138-90022782 (-)
PWK/PhJ ENSLUMG00010031801
 protein coding gene Chr15:86073056-86076668 (-)
SPRET/EiJ ENSMSPG00010013792
 protein coding gene Chr15:87772240-87776256 (-)
WSB/EiJ ENSIUOG00005011063
 protein coding gene Chr15:86446568-86450222 (-)



Homology
more
  • Human Ortholog
    CHKB, choline kinase beta
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    CHKB, choline kinase beta
  • Synonyms
    CHETK, CHKL, CK, CKB, CKEKB, EK, EKB, MDCMC
  • Links
    NCBI Gene ID: 1120
    UniProt: Q9Y259

  • Chr Location
    22q13.33; chr22:50578959-50601455 (-)  GRCh38
Human Diseases
more
  • Diseases
    1 with Chkb mouse models; 5 with human CHKB associations

Human Disease Mouse Models
      
IDs
 View 1 model
      
IDs
IDs
IDs
IDs
Click on a disease name to see all genes associated with that disease.

  • Mutations/Alleles
    1 with disease annotations
  • References
    2 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    18 phenotypes from 3 alleles in 3 genetic backgrounds
    3 images
    34 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Homozygous null mice display progressive muscular weakness and dystrophy in the hindlimbs but have normal nerve and neuromuscular junction morphology.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    25
  • GO References
    10
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
    717
  • Tissues
    108
  • cDNA Data
    62
  • Literature Summary
    3
  • Comparison Matrix
    Gene Expression + Phenotype
    • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000022617 Ensembl Gene Model | MGI Sequence Detail 3549 C57BL/6J ±  kb
    transcript ENSMUST00000023289 Ensembl | MGI Sequence Detail 1707 Not Applicable  
    polypeptide ENSMUSP00000023289 Ensembl | MGI Sequence Detail 394 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 65
      Genomic 2
      cDNA 62
      Primer pair 1

      Microarray probesets 3
    References
    more
    • Summaries
      All 67
      Developmental Gene Expression 3
      Diseases 2
      Gene Ontology 10
      Phenotypes 34
    • Earliest
      J:7688 Lane PW, et al., Association of megacolon with a new dominant spotting gene (Dom) in the mouse. J Hered. 1984 Nov-Dec;75(6):435-9
    • Latest
      J:387680 Ahn B, et al., Disorganization of Transcriptional Regulation and Alteration of Keratin Family Gene Expression in Hairy Ear Mice. Genes (Basel). 2026 Jan 31;17(2)
    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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    Funding Information
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    Send questions and comments to User Support.     		last database update
    09/01/2026
    MGI 6.24     		The Jackson Laboratory