GAL1_ALIF1
ID GAL1_ALIF1 Reviewed; 384 AA.
AC Q5E0M1;
DT 02-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT 15-MAR-2005, sequence version 1.
DT 03-AUG-2022, entry version 99.
DE RecName: Full=Galactokinase {ECO:0000255|HAMAP-Rule:MF_00246};
DE EC=2.7.1.6 {ECO:0000255|HAMAP-Rule:MF_00246};
DE AltName: Full=Galactose kinase {ECO:0000255|HAMAP-Rule:MF_00246};
GN Name=galK {ECO:0000255|HAMAP-Rule:MF_00246}; OrderedLocusNames=VF_A0355;
OS Aliivibrio fischeri (strain ATCC 700601 / ES114) (Vibrio fischeri).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Aliivibrio.
OX NCBI_TaxID=312309;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700601 / ES114;
RX PubMed=15703294; DOI=10.1073/pnas.0409900102;
RA Ruby E.G., Urbanowski M., Campbell J., Dunn A., Faini M., Gunsalus R.,
RA Lostroh P., Lupp C., McCann J., Millikan D., Schaefer A., Stabb E.,
RA Stevens A., Visick K., Whistler C., Greenberg E.P.;
RT "Complete genome sequence of Vibrio fischeri: a symbiotic bacterium with
RT pathogenic congeners.";
RL Proc. Natl. Acad. Sci. U.S.A. 102:3004-3009(2005).
CC -!- FUNCTION: Catalyzes the transfer of the gamma-phosphate of ATP to D-
CC galactose to form alpha-D-galactose-1-phosphate (Gal-1-P).
CC {ECO:0000255|HAMAP-Rule:MF_00246}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=alpha-D-galactose + ATP = ADP + alpha-D-galactose 1-phosphate
CC + H(+); Xref=Rhea:RHEA:13553, ChEBI:CHEBI:15378, ChEBI:CHEBI:28061,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:58336, ChEBI:CHEBI:456216; EC=2.7.1.6;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00246};
CC -!- PATHWAY: Carbohydrate metabolism; galactose metabolism.
CC {ECO:0000255|HAMAP-Rule:MF_00246}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00246}.
CC -!- SIMILARITY: Belongs to the GHMP kinase family. GalK subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_00246}.
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DR EMBL; CP000021; AAW87425.1; -; Genomic_DNA.
DR RefSeq; WP_011263235.1; NC_006841.2.
DR RefSeq; YP_206313.1; NC_006841.2.
DR AlphaFoldDB; Q5E0M1; -.
DR SMR; Q5E0M1; -.
DR STRING; 312309.VF_A0355; -.
DR EnsemblBacteria; AAW87425; AAW87425; VF_A0355.
DR KEGG; vfi:VF_A0355; -.
DR PATRIC; fig|312309.11.peg.2958; -.
DR eggNOG; COG0153; Bacteria.
DR HOGENOM; CLU_017814_2_1_6; -.
DR OMA; PVCYNLR; -.
DR OrthoDB; 1388391at2; -.
DR UniPathway; UPA00214; -.
DR Proteomes; UP000000537; Chromosome II.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004335; F:galactokinase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006012; P:galactose metabolic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.230.10; -; 1.
DR Gene3D; 3.30.70.890; -; 1.
DR HAMAP; MF_00246; Galactokinase; 1.
DR InterPro; IPR000705; Galactokinase.
DR InterPro; IPR022963; Galactokinase_bac.
DR InterPro; IPR019741; Galactokinase_CS.
DR InterPro; IPR019539; GalKase_N.
DR InterPro; IPR013750; GHMP_kinase_C_dom.
DR InterPro; IPR036554; GHMP_kinase_C_sf.
DR InterPro; IPR006204; GHMP_kinase_N_dom.
DR InterPro; IPR006203; GHMP_knse_ATP-bd_CS.
DR InterPro; IPR006206; Mevalonate/galactokinase.
DR InterPro; IPR020568; Ribosomal_S5_D2-typ_fold.
DR InterPro; IPR014721; Ribosomal_S5_D2-typ_fold_subgr.
DR PANTHER; PTHR10457:SF6; PTHR10457:SF6; 1.
DR Pfam; PF10509; GalKase_gal_bdg; 1.
DR Pfam; PF08544; GHMP_kinases_C; 1.
DR Pfam; PF00288; GHMP_kinases_N; 1.
DR PIRSF; PIRSF000530; Galactokinase; 1.
DR PRINTS; PR00473; GALCTOKINASE.
DR SUPFAM; SSF54211; SSF54211; 1.
DR SUPFAM; SSF55060; SSF55060; 1.
DR TIGRFAMs; TIGR00131; gal_kin; 1.
DR PROSITE; PS00106; GALACTOKINASE; 1.
DR PROSITE; PS00627; GHMP_KINASES_ATP; 1.
PE 3: Inferred from homology;
KW ATP-binding; Carbohydrate metabolism; Cytoplasm; Galactose metabolism;
KW Kinase; Magnesium; Metal-binding; Nucleotide-binding; Reference proteome;
KW Transferase.
FT CHAIN 1..384
FT /note="Galactokinase"
FT /id="PRO_0000184636"
FT ACT_SITE 175
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 35..38
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 69
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 125..131
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 131
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 163
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 224
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT SITE 29
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
SQ SEQUENCE 384 AA; 41894 MW; AFCEDCAC938A349E CRC64;
MTNLIKNVKD AFNSVLSYAP THIVQAPGRV NLIGEHTDYN DGFVLPCAIN YQTVVAAAKR
DDNIVRVVSV DYGNETDEFD ITQEITFQEN KMWSNYIRGV VKCLIDRGYE FKGADISVSG
NVPQGAGLSS SAALEVVIGQ TFKELYNLNI SQAEIALNGQ QAENEFVGCN CGIMDQMISA
EGNENHAMLL DCRSLETTAV SMPEDMSVVI INSNKKRGLV DSEYNTRREQ CEEAARIFGV
KALRDVTIEE FNAKAHELDE MVAKRARHVI TENDRTEEAA KVLASGDMKR MAVLMAESHA
SMRDDFEITV SEVDTLVDIV KNVIGAEGGV RMTGGGFGGC IVALVPPMLV DEVKAAVEEL
YEAKTGLKES IYVCQATNGA GLVL
