GAL1_ALKHC
ID GAL1_ALKHC Reviewed; 395 AA.
AC Q9KDV4;
DT 01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2000, sequence version 1.
DT 03-AUG-2022, entry version 124.
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=BH1107;
OS Alkalihalobacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344
OS / JCM 9153 / C-125) (Bacillus halodurans).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Alkalihalobacillus.
OX NCBI_TaxID=272558;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125;
RX PubMed=11058132; DOI=10.1093/nar/28.21.4317;
RA Takami H., Nakasone K., Takaki Y., Maeno G., Sasaki R., Masui N., Fuji F.,
RA Hirama C., Nakamura Y., Ogasawara N., Kuhara S., Horikoshi K.;
RT "Complete genome sequence of the alkaliphilic bacterium Bacillus halodurans
RT and genomic sequence comparison with Bacillus subtilis.";
RL Nucleic Acids Res. 28:4317-4331(2000).
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; BA000004; BAB04826.1; -; Genomic_DNA.
DR PIR; C83788; C83788.
DR AlphaFoldDB; Q9KDV4; -.
DR SMR; Q9KDV4; -.
DR STRING; 272558.10173722; -.
DR EnsemblBacteria; BAB04826; BAB04826; BAB04826.
DR KEGG; bha:BH1107; -.
DR eggNOG; COG0153; Bacteria.
DR HOGENOM; CLU_017814_2_1_9; -.
DR OMA; PVCYNLR; -.
DR UniPathway; UPA00214; -.
DR Proteomes; UP000001258; Chromosome.
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..395
FT /note="Galactokinase"
FT /id="PRO_0000184602"
FT ACT_SITE 177
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 39..42
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 73
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 127..133
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 133
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 165
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 227
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT SITE 33
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
SQ SEQUENCE 395 AA; 43538 MW; 74A15D8D41DDB671 CRC64;
MEVAYKEDLL TSFAEAFSID RLTDVRVFFA PGRVNLIGEH TDYNGGYVFP GALTNGTYMV
IKLRDDGEYH LRSANFDTSV VFRNSDLRFD PKDDWGNYPK GIIAELAKLG VDLPGATIYF
YGNIPNGAGL SSSASIGMVT AYGLTQCSGI DIDRVTLAKL CQRMENDFIG VSTGLMDQFA
VGMGKKDHAL FLNTSSLEYD QVPLILKGYK LVITNSNKRR GLADSKYNER RRECEIGLEQ
LRKKQTNLSH LGEVTEEMFA ELGPVIEDEL IYRRVRHVVT EDARVLAAVS ALKAGELQTF
GELMKASHLS LREDYDVTGV ELDTLFDLQA SAPGCIGTRM TGAGFGGCTV SIVHEEEITA
FQTVVSKGYE KKIGYKPTFY VTELGDGVNE WKGGA
