GAL1_SALPB
ID GAL1_SALPB Reviewed; 382 AA.
AC A9MTL0;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-FEB-2008, sequence version 1.
DT 03-AUG-2022, entry version 81.
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=SPAB_02747;
OS Salmonella paratyphi B (strain ATCC BAA-1250 / SPB7).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Salmonella.
OX NCBI_TaxID=1016998;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1250 / SPB7;
RG The Salmonella enterica serovar Paratyphi B Genome Sequencing Project;
RA McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA Fulton R., Cordes M., Wollam A., Shah N., Pepin K., Bhonagiri V., Nash W.,
RA Johnson M., Thiruvilangam P., Wilson R.;
RL Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000886; ABX68125.1; -; Genomic_DNA.
DR RefSeq; WP_001049371.1; NC_010102.1.
DR AlphaFoldDB; A9MTL0; -.
DR SMR; A9MTL0; -.
DR KEGG; spq:SPAB_02747; -.
DR PATRIC; fig|1016998.12.peg.2599; -.
DR HOGENOM; CLU_017814_2_1_6; -.
DR OMA; PVCYNLR; -.
DR BioCyc; SENT1016998:SPAB_RS11170-MON; -.
DR UniPathway; UPA00214; -.
DR Proteomes; UP000008556; 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; Transferase.
FT CHAIN 1..382
FT /note="Galactokinase"
FT /id="PRO_1000078409"
FT ACT_SITE 174
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 34..37
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 124..130
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 130
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 162
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT BINDING 223
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
FT SITE 28
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00246"
SQ SEQUENCE 382 AA; 41300 MW; 8256177CF3D6C0F9 CRC64;
MNLKEKTRAL FAEIFGYPAT HTIQAPGRVN LIGEHTDYND GFVLPCAIDY QTVISCAPRD
DRTVRVIAAD YDNQVDEFSL DAPIVTYDSQ QWSNYVRGVV KHLQQRNNAF GGVDMVISGN
VPQGAGLSSS ASLEVAVGTV FQQLYHLPLD GAQIALNGQE AENQFVGCNC GIMDQLISAL
GKKDHALLID CRTLGAKAVS MPKGVAVVII NSNFKRTLVG SEYNTRREQC ETGARFFQQP
ALRDVSLEAF NAVASELDPV VAKRVRHVLS ENARTVEAAS ALEKGDLQRM GQLMAESHAS
MRDDFEITVP QIDTLVDIVK ATIGDQGGVR MTGGGFGGCV VALIPEDLVP AVRQAVAQQY
EAKTGIKETF YVCKPSQGAG QC
