ID   LACC_STRA1              Reviewed;         310 AA.
AC   Q3JZ20;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=Tagatose-6-phosphate kinase {ECO:0000255|HAMAP-Rule:MF_01557};
DE            EC=2.7.1.144 {ECO:0000255|HAMAP-Rule:MF_01557};
DE   AltName: Full=Phosphotagatokinase {ECO:0000255|HAMAP-Rule:MF_01557};
GN   Name=lacC {ECO:0000255|HAMAP-Rule:MF_01557}; OrderedLocusNames=SAK_1888;
OS   Streptococcus agalactiae serotype Ia (strain ATCC 27591 / A909 / CDC
OS   SS700).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=205921;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27591 / A909 / CDC SS700;
RX   PubMed=16172379; DOI=10.1073/pnas.0506758102;
RA   Tettelin H., Masignani V., Cieslewicz M.J., Donati C., Medini D.,
RA   Ward N.L., Angiuoli S.V., Crabtree J., Jones A.L., Durkin A.S., DeBoy R.T.,
RA   Davidsen T.M., Mora M., Scarselli M., Margarit y Ros I., Peterson J.D.,
RA   Hauser C.R., Sundaram J.P., Nelson W.C., Madupu R., Brinkac L.M.,
RA   Dodson R.J., Rosovitz M.J., Sullivan S.A., Daugherty S.C., Haft D.H.,
RA   Selengut J., Gwinn M.L., Zhou L., Zafar N., Khouri H., Radune D.,
RA   Dimitrov G., Watkins K., O'Connor K.J., Smith S., Utterback T.R., White O.,
RA   Rubens C.E., Grandi G., Madoff L.C., Kasper D.L., Telford J.L.,
RA   Wessels M.R., Rappuoli R., Fraser C.M.;
RT   "Genome analysis of multiple pathogenic isolates of Streptococcus
RT   agalactiae: implications for the microbial 'pan-genome'.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:13950-13955(2005).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + D-tagatofuranose 6-phosphate = ADP + D-tagatofuranose
CC         1,6-bisphosphate + H(+); Xref=Rhea:RHEA:12420, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58694, ChEBI:CHEBI:58695,
CC         ChEBI:CHEBI:456216; EC=2.7.1.144; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01557};
CC   -!- PATHWAY: Carbohydrate metabolism; D-tagatose 6-phosphate degradation;
CC       D-glyceraldehyde 3-phosphate and glycerone phosphate from D-tagatose 6-
CC       phosphate: step 1/2. {ECO:0000255|HAMAP-Rule:MF_01557}.
CC   -!- SIMILARITY: Belongs to the carbohydrate kinase PfkB family. LacC
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01557}.
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DR   EMBL; CP000114; ABA44756.1; -; Genomic_DNA.
DR   RefSeq; WP_000604245.1; NC_007432.1.
DR   AlphaFoldDB; Q3JZ20; -.
DR   SMR; Q3JZ20; -.
DR   KEGG; sak:SAK_1888; -.
DR   HOGENOM; CLU_050013_5_0_9; -.
DR   OMA; GHVNMAH; -.
DR   UniPathway; UPA00704; UER00715.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0009024; F:tagatose-6-phosphate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:2001059; P:D-tagatose 6-phosphate catabolic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019512; P:lactose catabolic process via tagatose-6-phosphate; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   CDD; cd01164; FruK_PfkB_like; 1.
DR   Gene3D; 3.40.1190.20; -; 1.
DR   HAMAP; MF_01557; LacC; 1.
DR   InterPro; IPR002173; Carboh/pur_kinase_PfkB_CS.
DR   InterPro; IPR005926; LacC.
DR   InterPro; IPR011611; PfkB_dom.
DR   InterPro; IPR029056; Ribokinase-like.
DR   InterPro; IPR017583; Tagatose/fructose_Pkinase.
DR   Pfam; PF00294; PfkB; 1.
DR   PIRSF; PIRSF000535; 1PFK/6PFK/LacC; 1.
DR   SUPFAM; SSF53613; SSF53613; 1.
DR   TIGRFAMs; TIGR03168; 1-PFK; 1.
DR   TIGRFAMs; TIGR01231; lacC; 1.
DR   PROSITE; PS00583; PFKB_KINASES_1; 1.
DR   PROSITE; PS00584; PFKB_KINASES_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Kinase; Lactose metabolism; Nucleotide-binding; Transferase.
FT   CHAIN           1..310
FT                   /note="Tagatose-6-phosphate kinase"
FT                   /id="PRO_0000203926"
SQ   SEQUENCE   310 AA;  33762 MW;  CE6C98E12414254F CRC64;
     MILTVTLNPS IDISYCLENF NMDTVNRVTD VSKTPGGKGL NVTRVLSQLG DNVVATGLLG
     GYFGDFIRSG LDALEIRHQF LSIGGETRHC IAVLHEGQQT EILEKGPHIT KDEADAFLNH
     LKLIFDAATI ITVSGSLPKG LPSDYYARLI SLANHFNKKV VLDCSGEALR SVLKSSAKPT
     VIKPNLEELT QLIGKPISYS LDELKSTLQQ DIFRGIDWVI VSLGAKGAFA KHGNHYYQVT
     IPKIEVINPV GSGDATVAGI ASALEHQLDD TNLLKRANVL GMLNAQETLT GHINLTYYQE
     LISQIQVKEV