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PTFB1_SHIFL
ID   PTFB1_SHIFL             Reviewed;         108 AA.
AC   Q821A9;
DT   15-AUG-2003, integrated into UniProtKB/Swiss-Prot.
DT   15-AUG-2003, sequence version 2.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=PTS system fructose-like EIIB component 1 {ECO:0000250|UniProtKB:P20966};
DE            EC=2.7.1.202 {ECO:0000250|UniProtKB:P20966};
DE   AltName: Full=Fructose-like phosphotransferase enzyme IIB component 1 {ECO:0000250|UniProtKB:P20966};
GN   Name=fryB; OrderedLocusNames=SF2453, S2592;
OS   Shigella flexneri.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=301 / Serotype 2a;
RX   PubMed=12384590; DOI=10.1093/nar/gkf566;
RA   Jin Q., Yuan Z., Xu J., Wang Y., Shen Y., Lu W., Wang J., Liu H., Yang J.,
RA   Yang F., Zhang X., Zhang J., Yang G., Wu H., Qu D., Dong J., Sun L.,
RA   Xue Y., Zhao A., Gao Y., Zhu J., Kan B., Ding K., Chen S., Cheng H.,
RA   Yao Z., He B., Chen R., Ma D., Qiang B., Wen Y., Hou Y., Yu J.;
RT   "Genome sequence of Shigella flexneri 2a: insights into pathogenicity
RT   through comparison with genomes of Escherichia coli K12 and O157.";
RL   Nucleic Acids Res. 30:4432-4441(2002).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700930 / 2457T / Serotype 2a;
RX   PubMed=12704152; DOI=10.1128/iai.71.5.2775-2786.2003;
RA   Wei J., Goldberg M.B., Burland V., Venkatesan M.M., Deng W., Fournier G.,
RA   Mayhew G.F., Plunkett G. III, Rose D.J., Darling A., Mau B., Perna N.T.,
RA   Payne S.M., Runyen-Janecky L.J., Zhou S., Schwartz D.C., Blattner F.R.;
RT   "Complete genome sequence and comparative genomics of Shigella flexneri
RT   serotype 2a strain 2457T.";
RL   Infect. Immun. 71:2775-2786(2003).
CC   -!- FUNCTION: The phosphoenolpyruvate-dependent sugar phosphotransferase
CC       system (sugar PTS), a major carbohydrate active transport system,
CC       catalyzes the phosphorylation of incoming sugar substrates
CC       concomitantly with their translocation across the cell membrane. The
CC       enzyme II FryABC PTS system is involved in fructose transport.
CC       {ECO:0000250|UniProtKB:P20966}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-fructose(out) + N(pros)-phospho-L-histidyl-[protein] = D-
CC         fructose 1-phosphate(in) + L-histidyl-[protein];
CC         Xref=Rhea:RHEA:49252, Rhea:RHEA-COMP:9745, Rhea:RHEA-COMP:9746,
CC         ChEBI:CHEBI:29979, ChEBI:CHEBI:37721, ChEBI:CHEBI:58674,
CC         ChEBI:CHEBI:64837; EC=2.7.1.202;
CC         Evidence={ECO:0000250|UniProtKB:P20966};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- DOMAIN: The PTS EIIB type-2 domain is phosphorylated by phospho-EIIA on
CC       a cysteinyl residue. Then, it transfers the phosphoryl group to the
CC       sugar substrate concomitantly with the sugar uptake processed by the
CC       PTS EIIC type-2 domain. {ECO:0000255|PROSITE-ProRule:PRU00422}.
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DR   EMBL; AE005674; AAN43961.2; -; Genomic_DNA.
DR   EMBL; AE014073; AAP17772.1; -; Genomic_DNA.
DR   RefSeq; NP_708254.2; NC_004337.2.
DR   RefSeq; WP_005047083.1; NZ_WPGW01000027.1.
DR   AlphaFoldDB; Q821A9; -.
DR   BMRB; Q821A9; -.
DR   SMR; Q821A9; -.
DR   STRING; 198214.SF2453; -.
DR   EnsemblBacteria; AAN43961; AAN43961; SF2453.
DR   EnsemblBacteria; AAP17772; AAP17772; S2592.
DR   GeneID; 1025578; -.
DR   GeneID; 58389601; -.
DR   KEGG; sfl:SF2453; -.
DR   KEGG; sfx:S2592; -.
DR   PATRIC; fig|198214.7.peg.2931; -.
DR   HOGENOM; CLU_013155_2_1_6; -.
DR   OMA; IAVCACP; -.
DR   OrthoDB; 2011067at2; -.
DR   Proteomes; UP000001006; Chromosome.
DR   Proteomes; UP000002673; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016301; F:kinase activity; IEA:UniProtKB-KW.
DR   GO; GO:0022877; F:protein-N(PI)-phosphohistidine-fructose phosphotransferase system transporter activity; IEA:InterPro.
DR   GO; GO:0090582; F:protein-phosphocysteine-D-fructose-phosphotransferase system transporter activity; ISS:UniProtKB.
DR   GO; GO:0009401; P:phosphoenolpyruvate-dependent sugar phosphotransferase system; ISS:UniProtKB.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   CDD; cd05569; PTS_IIB_fructose; 1.
DR   InterPro; IPR036095; PTS_EIIB-like_sf.
DR   InterPro; IPR013011; PTS_EIIB_2.
DR   InterPro; IPR003501; PTS_EIIB_2/3.
DR   InterPro; IPR003353; PTS_IIB_fruc.
DR   Pfam; PF02302; PTS_IIB; 1.
DR   SUPFAM; SSF52794; SSF52794; 1.
DR   TIGRFAMs; TIGR00829; FRU; 1.
DR   PROSITE; PS51099; PTS_EIIB_TYPE_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Kinase; Phosphoprotein; Phosphotransferase system;
KW   Reference proteome; Sugar transport; Transferase; Transport.
FT   CHAIN           1..108
FT                   /note="PTS system fructose-like EIIB component 1"
FT                   /id="PRO_0000186703"
FT   DOMAIN          1..101
FT                   /note="PTS EIIB type-2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00422"
FT   ACT_SITE        11
FT                   /note="Phosphocysteine intermediate"
FT                   /evidence="ECO:0000250|UniProtKB:P20966, ECO:0000305"
FT   MOD_RES         11
FT                   /note="Phosphocysteine; by EIIA"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00422"
SQ   SEQUENCE   108 AA;  11763 MW;  0DCB88B22F5495E1 CRC64;
     MSKKLIALCA CPMGLAHTFM AAQVLEEAAV EAGYEVKIET QGADGIQNRL TAQDIAEATI
     IIHSVAVTPE DNERFESRDV YEITLQDAIK NAAGIIKEIE EMIASEQQ
 
 
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