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Aliases for GALK1 Gene

Aliases for GALK1 Gene

  • Galactokinase 1 2 3
  • Galactose Kinase 3 4
  • EC 2.7.1.6 4 63
  • GALK 3 4
  • Epididymis Secretory Protein Li 19 3
  • Galactokinase 3
  • HEL-S-19 3
  • GK1 3

External Ids for GALK1 Gene

Previous HGNC Symbols for GALK1 Gene

  • GALK

Previous GeneCards Identifiers for GALK1 Gene

  • GC17M073730
  • GC17M076780
  • GC17M074218
  • GC17M074351
  • GC17M071265
  • GC17M069178

Summaries for GALK1 Gene

Entrez Gene Summary for GALK1 Gene

  • Galactokinase is a major enzyme for the metabolism of galactose and its deficiency causes congenital cataracts during infancy and presenile cataracts in the adult population. [provided by RefSeq, Jul 2008]

GeneCards Summary for GALK1 Gene

GALK1 (Galactokinase 1) is a Protein Coding gene. Diseases associated with GALK1 include galactokinase deficiency with cataracts and galactosemia. Among its related pathways are Metabolism and Metabolism. GO annotations related to this gene include galactose binding and galactokinase activity. An important paralog of this gene is GALK2.

UniProtKB/Swiss-Prot for GALK1 Gene

  • Major enzyme for galactose metabolism

No data available for Tocris Summary , Gene Wiki entry , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for GALK1 Gene

Genomics for GALK1 Gene

Regulatory Elements for GALK1 Gene

Epigenetics Products

  • DNA Methylation CpG Assay Predesigned for Pyrosequencing in human,mouse,rat

Genomic Location for GALK1 Gene

Start:
75,751,594 bp from pter
End:
75,765,711 bp from pter
Size:
14,118 bases
Orientation:
Minus strand

Genomic View for GALK1 Gene

UCSC Golden Path with GeneCards custom track
Cytogenetic band:
Genomic Location for GALK1 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for GALK1 Gene

Proteins for GALK1 Gene

  • Protein details for GALK1 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    P51570-GALK1_HUMAN
    Recommended name:
    Galactokinase
    Protein Accession:
    P51570
    Secondary Accessions:
    • B2RC07
    • B4E1G6

    Protein attributes for GALK1 Gene

    Size:
    392 amino acids
    Molecular mass:
    42272 Da
    Quaternary structure:
    • Homodimer.

    Three dimensional structures from OCA and Proteopedia for GALK1 Gene

    Alternative splice isoforms for GALK1 Gene

    UniProtKB/Swiss-Prot:

neXtProt entry for GALK1 Gene

Proteomics data for GALK1 Gene at MOPED

Post-translational modifications for GALK1 Gene

  • Ubiquitination at Lys69, Lys195, Lys217, and Lys272
  • Modification sites at PhosphoSitePlus

Other Protein References for GALK1 Gene

ENSEMBL proteins:
Reactome Protein details:
REFSEQ proteins:

Antibody Products

Domains for GALK1 Gene

Graphical View of Domain Structure for InterPro Entry

P51570

UniProtKB/Swiss-Prot:

GALK1_HUMAN :
  • P51570
Family:
  • Belongs to the GHMP kinase family. GalK subfamily.
genes like me logo Genes that share domains with GALK1: view

No data available for Gene Families for GALK1 Gene

Function for GALK1 Gene

Molecular function for GALK1 Gene

GENATLAS Biochemistry:
galactokinase 1
UniProtKB/Swiss-Prot CatalyticActivity:
ATP + alpha-D-galactose = ADP + alpha-D-galactose 1-phosphate
UniProtKB/Swiss-Prot Function:
Major enzyme for galactose metabolism

Enzyme Numbers (IUBMB) for GALK1 Gene

Gene Ontology (GO) - Molecular Function for GALK1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0004335 galactokinase activity IDA 12694189
GO:0005515 protein binding --
GO:0005524 ATP binding IDA 12694189
GO:0005534 galactose binding IDA 14596685
genes like me logo Genes that share ontologies with GALK1: view
genes like me logo Genes that share phenotypes with GALK1: view

Animal Models for GALK1 Gene

MGI Knock Outs for GALK1:

Animal Model Products

miRNA for GALK1 Gene

miRTarBase miRNAs that target GALK1

miRNA Products

Inhibitory RNA Products

  • Predesigned siRNA for gene silencing in human,mouse,rat for GALK1

In Situ Assay Products

Flow Cytometry Products

No data available for Transcription Factor Targeting and HOMER Transcription for GALK1 Gene

Localization for GALK1 Gene

Subcellular locations from

COMPARTMENTS
Jensen Localization Image for GALK1 Gene COMPARTMENTS Subcellular localization image for GALK1 gene
Compartment Confidence
cytosol 4
golgi apparatus 2
nucleus 2
chloroplast 1
extracellular 1
mitochondrion 1

Gene Ontology (GO) - Cellular Components for GALK1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005737 cytoplasm IDA 8908517
GO:0005829 cytosol TAS --
GO:0016020 NOT membrane IDA 8908517
GO:0070062 extracellular exosome IDA 19056867
genes like me logo Genes that share ontologies with GALK1: view

No data available for Subcellular locations from UniProtKB/Swiss-Prot for GALK1 Gene

Pathways for GALK1 Gene

genes like me logo Genes that share pathways with GALK1: view

Pathways by source for GALK1 Gene

1 GeneGo (Thomson Reuters) pathway for GALK1 Gene

UniProtKB/Swiss-Prot P51570-GALK1_HUMAN

  • Pathway: Carbohydrate metabolism; galactose metabolism

Gene Ontology (GO) - Biological Process for GALK1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005975 carbohydrate metabolic process TAS --
GO:0006012 galactose metabolic process IMP 15024738
GO:0019388 galactose catabolic process TAS --
GO:0019402 galactitol metabolic process IEA --
GO:0044281 small molecule metabolic process TAS --
genes like me logo Genes that share ontologies with GALK1: view

Compounds for GALK1 Gene

(4) HMDB Compounds for GALK1 Gene

Compound Synonyms Cas Number PubMed IDs
Adenosine triphosphate
  • 5'-(tetrahydrogen triphosphate) Adenosine
56-65-5
ADP
  • adenosindiphosphorsaeure
58-64-0
D-Galactose
  • (+)-Galactose
59-23-4
Galactose 1-phosphate
  • 1-(dihydrogen phosphate) Galactitol
2255-14-3

(2) Drugbank Compounds for GALK1 Gene

Compound Synonyms Cas Number Type Actions PubMed IDs
Adenosine-5'-Diphosphate
20398-34-9 target
Phosphoaminophosphonic Acid-Adenylate Ester
target

(23) Novoseek inferred chemical compound relationships for GALK1 Gene

Compound -log(P) Hits PubMed IDs
galactose-1-phosphate 92.2 32
galactose 88.4 72
phosphomevalonate 82.9 4
udpglucose 76.9 9
ptsh 75.4 2
genes like me logo Genes that share compounds with GALK1: view

Transcripts for GALK1 Gene

Unigene Clusters for GALK1 Gene

Galactokinase 1:
Representative Sequences:

miRNA Products

Inhibitory RNA Products

  • Predesigned siRNA for gene silencing in human,mouse,rat for GALK1

Primer Products

Flow Cytometry Products

Alternative Splicing Database (ASD) splice patterns (SP) for GALK1 Gene

ExUns: 1a · 1b ^ 2a · 2b · 2c ^ 3 ^ 4a · 4b · 4c ^ 5a · 5b · 5c · 5d ^ 6a · 6b ^ 7a · 7b · 7c ^ 8 ^ 9a · 9b · 9c
SP1: - - -
SP2: -
SP3: - - - -
SP4:
SP5: -
SP6: - -
SP7:

Relevant External Links for GALK1 Gene

GeneLoc Exon Structure for
GALK1
ECgene alternative splicing isoforms for
GALK1

Expression for GALK1 Gene

mRNA expression in normal human tissues for GALK1 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

mRNA differential expression in normal tissues according to GTEx for GALK1 Gene

This gene is overexpressed in Liver (5.9) and Whole Blood (5.2).

Protein differential expression in normal tissues for GALK1 Gene

This gene is overexpressed in Bone (21.5) and Fetal Liver (7.3).

Integrated Proteomics: protein expression from ProteomicsDB, PaxDb, MOPED, and MaxQB for GALK1 Gene

SOURCE GeneReport for Unigene cluster for GALK1 Gene Hs.407966

genes like me logo Genes that share expressions with GALK1: view

Expression partners for GALK1 Gene

In Situ Assay Products

No data available for mRNA Expression by UniProt/SwissProt for GALK1 Gene

Orthologs for GALK1 Gene

This gene was present in the common ancestor of eukaryotes.

Orthologs for GALK1 Gene

Organism Taxonomy Gene Similarity Type Details
cow
(Bos Taurus)
Mammalia GALK1 35
  • 88.97 (n)
  • 90.51 (a)
GALK1 36
  • 90 (a)
OneToOne
dog
(Canis familiaris)
Mammalia GALK1 35
  • 88.03 (n)
  • 91.03 (a)
GALK1 36
  • 91 (a)
OneToOne
mouse
(Mus musculus)
Mammalia Galk1 35
  • 85.54 (n)
  • 88.01 (a)
Galk1 16
Galk1 36
  • 88 (a)
OneToOne
chimpanzee
(Pan troglodytes)
Mammalia GALK1 35
  • 99.83 (n)
  • 100 (a)
GALK1 36
  • 93 (a)
OneToOne
rat
(Rattus norvegicus)
Mammalia Galk1 35
  • 85.88 (n)
  • 87.76 (a)
oppossum
(Monodelphis domestica)
Mammalia GALK1 36
  • 75 (a)
OneToOne
platypus
(Ornithorhynchus anatinus)
Mammalia GALK1 36
  • 76 (a)
OneToOne
chicken
(Gallus gallus)
Aves GALK1 35
  • 69.22 (n)
  • 68.37 (a)
GALK1 36
  • 62 (a)
OneToOne
lizard
(Anolis carolinensis)
Reptilia GALK1 36
  • 62 (a)
OneToOne
tropical clawed frog
(Silurana tropicalis)
Amphibia galk1 35
  • 62.66 (n)
  • 65.8 (a)
Str.16350 35
zebrafish
(Danio rerio)
Actinopterygii galk1 35
  • 61.65 (n)
  • 64.42 (a)
galk1 36
  • 60 (a)
OneToOne
African malaria mosquito
(Anopheles gambiae)
Insecta AgaP_AGAP002914 35
  • 58.6 (n)
  • 54.3 (a)
baker's yeast
(Saccharomyces cerevisiae)
Saccharomycetes GAL1 36
  • 21 (a)
ManyToMany
GAL3 36
  • 21 (a)
ManyToMany
thale cress
(Arabidopsis thaliana)
eudicotyledons GalAK 35
  • 39.75 (n)
  • 30.31 (a)
rice
(Oryza sativa)
Liliopsida Os04g0608100 35
  • 40.54 (n)
  • 30.47 (a)
sea squirt
(Ciona intestinalis)
Ascidiacea Cin.1715 35
sea squirt
(Ciona savignyi)
Ascidiacea -- 36
  • 50 (a)
OneToOne
Species with no ortholog for GALK1:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • fruit fly (Drosophila melanogaster)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rainbow trout (Oncorhynchus mykiss)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)
  • worm (Caenorhabditis elegans)

Evolution for GALK1 Gene

ENSEMBL:
Gene Tree for GALK1 (if available)
TreeFam:
Gene Tree for GALK1 (if available)

Paralogs for GALK1 Gene

Paralogs for GALK1 Gene

Selected SIMAP similar genes for GALK1 Gene using alignment to 7 proteins:

genes like me logo Genes that share paralogs with GALK1: view

Variants for GALK1 Gene

Sequence variations from dbSNP and Humsavar for GALK1 Gene

SNP ID Clin Chr 17 pos Sequence Context AA Info Type MAF
rs820384 -- 75,759,311(+) TAATC(C/G)CAGCT intron-variant
rs820385 -- 75,759,460(+) aaTGA(A/G)TGGAA intron-variant
rs820386 -- 75,763,223(+) GGAGA(G/T)TCCCT intron-variant
rs1979215 -- 75,765,885(+) agaat(C/T)acttg upstream-variant-2KB
rs2444842 -- 75,758,725(+) GGGGC(A/G)GGGCA intron-variant

Structural Variations from Database of Genomic Variants (DGV) for GALK1 Gene

Variant ID Type Subtype PubMed ID
nsv516133 CNV Loss 19592680
dgv3264n71 CNV Loss 21882294
nsv833544 CNV Loss 17160897
nsv908804 CNV Loss 21882294
dgv3267n71 CNV Loss 21882294
dgv3268n71 CNV Loss 21882294
nsv833545 CNV Gain 17160897
dgv3269n71 CNV Loss 21882294
nsv908812 CNV Loss 21882294
nsv470606 CNV Loss 18288195
nsv908819 CNV Loss 21882294

Relevant External Links for GALK1 Gene

HapMap Linkage Disequilibrium report
GALK1
Human Gene Mutation Database (HGMD)
GALK1

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for GALK1 Gene

Disorders for GALK1 Gene

(1) OMIM Diseases for GALK1 Gene (604313)

UniProtKB/Swiss-Prot

GALK1_HUMAN
  • Galactosemia II (GALCT2) [MIM:230200]: Autosomal recessive deficiency characterized by congenital cataracts during infancy and presenile cataracts in the adult population. The cataracts are secondary to accumulation of galactitol in the lenses. {ECO:0000269 PubMed:10521295, ECO:0000269 PubMed:10790206, ECO:0000269 PubMed:11139256, ECO:0000269 PubMed:11231902, ECO:0000269 PubMed:15024738}. Note=The disease is caused by mutations affecting the gene represented in this entry.

(1) University of Copenhagen DISEASES for GALK1 Gene

(13) Novoseek inferred disease relationships for GALK1 Gene

Disease -log(P) Hits PubMed IDs
galactokinase deficiency 98.9 60
galactosemias 94.1 23
classical galactosemia 91.3 4
galactosuria 86.7 1
gale deficiency 86.1 1

Genatlas disease for GALK1 Gene

cataract,autosomal recessive,characterized by neonal jaundice,juvenile cataract occuring in the first weeks of life,due to accumulation of galactitol,alternative product of galactose utilisation in lens,hyperbilirubinemia

Relevant External Links for GALK1

Genetic Association Database (GAD)
GALK1
Human Genome Epidemiology (HuGE) Navigator
GALK1
genes like me logo Genes that share disorders with GALK1: view

Publications for GALK1 Gene

  1. Cloning of the galactokinase cDNA and identification of mutations in two families with cataracts. (PMID: 7670469) Stambolian D. … Bergsma D.J. (Nat. Genet. 1995) 2 3 4 23
  2. A genetic factor for age-related cataract: identification and characterization of a novel galactokinase variant, 'Osaka,' in Asians. (PMID: 11231902) Okano Y. … Yamano T. (Am. J. Hum. Genet. 2001) 3 4 23 48
  3. Galactokinase gene mutations and age-related cataract. Lack of association in an Italian population. (PMID: 12942049) Maraini G. … Reed G. (Mol. Vis. 2003) 3 4 23 48
  4. Molecular structure of human galactokinase: implications for type II galactosemia. (PMID: 15590630) Thoden J.B. … Holden H.M. (J. Biol. Chem. 2005) 3 4 23
  5. A novel c.-22T>C mutation in GALK1 promoter is associated with elevated galactokinase phenotype. (PMID: 19309526) Park H.D. … Song J. (BMC Med. Genet. 2009) 3 23 48

Products for GALK1 Gene

  • Addgene plasmids for GALK1

Sources for GALK1 Gene

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