HAMAP rule MF_00246
General rule information
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Accession | MF_00246 |
Dates | 1-JUN-2001 (Created) 19-NOV-2022 (Last updated, Version 32) |
Name | Galactokinase |
Scope | Bacteria
Archaea |
Templates | P0A6T3 (GAL1_ECOLI); Q9HHB6 (GAL1_PYRFU); Q9R7D7 (GAL1_LACLA); O58107 (GAL1_PYRHO): [Recover all] |
Triggered by |
Propagated annotation
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Identifier, protein and gene names
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Identifier |
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Protein name |
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Gene name |
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Comments
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Function | Catalyzes the transfer of the gamma-phosphate of ATP to D-galactose to form alpha-D-galactose-1-phosphate (Gal-1-P). |
Catalytic activity | RHEA:13553: alpha-D-galactose + ATP = ADP + alpha-D-galactose 1-phosphate + H(+)
EC 2.7.1.6 |
Pathway | Carbohydrate metabolism; galactose metabolism. |
Subcellular location | Cytoplasm. |
Similarity | Belongs to the GHMP kinase family. GalK subfamily. |
Keywords
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ATP-binding
Carbohydrate metabolism
Cytoplasm
Galactose metabolism
Kinase
Magnesium
Metal-binding
Nucleotide-binding
Transferase
Carbohydrate metabolism
Cytoplasm
Galactose metabolism
Kinase
Magnesium
Metal-binding
Nucleotide-binding
Transferase
Gene Ontology
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GO:0000287; Molecular function: magnesium ion binding.
GO:0005524; Molecular function: ATP binding.
GO:0004335; Molecular function: galactokinase activity.
GO:0006012; Biological process: galactose metabolic process.
GO:0005737; Cellular component: cytoplasm.
GO:0005524; Molecular function: ATP binding.
GO:0004335; Molecular function: galactokinase activity.
GO:0006012; Biological process: galactose metabolic process.
GO:0005737; Cellular component: cytoplasm.
Cross-references
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Pfam | PF10509; GalKase_gal_bdg; 1; |
PF08544; GHMP_kinases_C; 1; | |
PF00288; GHMP_kinases_N; 1; | |
PIRSF | PIRSF000530; Galactokinase; 1; |
PRINTS | PR00473; GALCTOKINASE; 1; |
PR00959; MEVGALKINASE; 1; | |
TIGRFAMs | TIGR00131; Gal_kin; 1; |
PROSITE | PS00106; GALACTOKINASE; 1; |
PS00627; GHMP_KINASES_ATP; 1; |
Features
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From: GAL1_PYRFU (Q9HHB6) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
BINDING | 101 | 107 | /ligand="ATP" /ligand_id="ChEBI:CHEBI:30616 | [GAS]-[AS]-[GS]-x-S-S-S | ||||||||
BINDING | 17 | 20 | /ligand="substrate | E-[HY]-x-D | ||||||||
ACT_SITE | 151 | 151 | Proton acceptor | D | ||||||||
BINDING | 107 | 107 | /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420 | S | ||||||||
BINDING | 139 | 139 | /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420 | E | ||||||||
BINDING (Optional) | 49 | 49 | /ligand="ATP" /ligand_id="ChEBI:CHEBI:30616 | S | ||||||||
BINDING | 200 | 200 | /ligand="substrate | Y | ||||||||
SITE | 11 | 11 | Transition state stabilizer | R |
Additional information
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Size range | 350-399 amino acids |
Related rules | None |
Fusion | None |
Comments | Divergent galK in TREPA: TP0418; not included in alignment |