ID A0A223NYY6_9SPHI Unreviewed; 385 AA.
AC A0A223NYY6;
DT 25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT 25-OCT-2017, sequence version 1.
DT 27-MAR-2024, entry version 27.
DE RecName: Full=Galactokinase {ECO:0000256|ARBA:ARBA00012315, ECO:0000256|HAMAP-Rule:MF_00246};
DE EC=2.7.1.6 {ECO:0000256|ARBA:ARBA00012315, ECO:0000256|HAMAP-Rule:MF_00246};
DE AltName: Full=Galactose kinase {ECO:0000256|ARBA:ARBA00029590, ECO:0000256|HAMAP-Rule:MF_00246};
GN Name=galK {ECO:0000256|HAMAP-Rule:MF_00246};
GN ORFNames=MuYL_3188 {ECO:0000313|EMBL:ASU35073.1};
OS Mucilaginibacter xinganensis.
OC Bacteria; Bacteroidota; Sphingobacteriia; Sphingobacteriales;
OC Sphingobacteriaceae; Mucilaginibacter.
OX NCBI_TaxID=1234841 {ECO:0000313|EMBL:ASU35073.1, ECO:0000313|Proteomes:UP000215002};
RN [1] {ECO:0000313|EMBL:ASU35073.1, ECO:0000313|Proteomes:UP000215002}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BJC16-A31 {ECO:0000313|EMBL:ASU35073.1,
RC ECO:0000313|Proteomes:UP000215002};
RG Henan University of Science and Technology;
RA You X.;
RT "Complete genome sequence of Mucilaginibacter sp. strain BJC16-A31.";
RL Submitted (AUG-2017) 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:0000256|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:0000256|HAMAP-Rule:MF_00246};
CC -!- PATHWAY: Carbohydrate metabolism; galactose metabolism.
CC {ECO:0000256|ARBA:ARBA00004947, ECO:0000256|HAMAP-Rule:MF_00246}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00246}.
CC -!- SIMILARITY: Belongs to the GHMP kinase family. GalK subfamily.
CC {ECO:0000256|ARBA:ARBA00006566, ECO:0000256|HAMAP-Rule:MF_00246}.
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DR EMBL; CP022743; ASU35073.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A223NYY6; -.
DR KEGG; muc:MuYL_3188; -.
DR OrthoDB; 250531at2; -.
DR UniPathway; UPA00214; -.
DR Proteomes; UP000215002; 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; GHMP kinase, C-terminal domain; 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_Su5_D2-typ_SF.
DR InterPro; IPR014721; Ribsml_uS5_D2-typ_fold_subgr.
DR NCBIfam; TIGR00131; gal_kin; 1.
DR PANTHER; PTHR10457:SF35; GALACTOKINASE; 1.
DR PANTHER; PTHR10457; MEVALONATE KINASE/GALACTOKINASE; 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 PRINTS; PR00959; MEVGALKINASE.
DR SUPFAM; SSF55060; GHMP Kinase, C-terminal domain; 1.
DR SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 1.
DR PROSITE; PS00106; GALACTOKINASE; 1.
DR PROSITE; PS00627; GHMP_KINASES_ATP; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00246};
KW Carbohydrate metabolism {ECO:0000256|ARBA:ARBA00023277, ECO:0000256|HAMAP-
KW Rule:MF_00246};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00246};
KW Galactose metabolism {ECO:0000256|ARBA:ARBA00023144, ECO:0000256|HAMAP-
KW Rule:MF_00246};
KW Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_00246};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00246};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00246};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00246}; Reference proteome {ECO:0000313|Proteomes:UP000215002};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00246}.
FT DOMAIN 7..56
FT /note="Galactokinase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF10509"
FT DOMAIN 111..178
FT /note="GHMP kinase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00288"
FT DOMAIN 281..361
FT /note="GHMP kinase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08544"
FT ACT_SITE 170
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
FT BINDING 32..35
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
FT BINDING 66
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
FT BINDING 120..126
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
FT BINDING 126
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
FT BINDING 158
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
FT BINDING 220
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
FT SITE 26
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00246"
SQ SEQUENCE 385 AA; 42788 MW; CB032CB8B6B6C74A CRC64;
MNHFLRQEFN KLYNKEAENA YFCPGRVNLI GEHIDYNGGL VMPCAITFGT YLLVSPNNDG
VFRFRSLNFD DKLDIPVQDD YGKTAEYWFN YPLGVIDYFL KDGHPVVGLD MLFYGDIPIS
SGLSSSASIE VVTAFALNNL MKGGYSKLDL VKLSKSVENN FIMVNCGIMD QFAVAFGEKN
KALMLNCDTL DYQAVDSNLG EYILAIINTN KPRKLAESKY NERVQECQAA LQALQLELDI
NNLCDIDTET FNKYSGLITN EVIYKRAKHV IEENDRVKLA AVALSKNELE EFGRLMYASH
DSLRDLYEVS GAELDAVAEY CKTDSDVVGA RMTGAGFGGC AIALVKESAF ESFSKKVTAY
YTDKIGYAPS VYRSLIGDGV VELAG
//
