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PDXT_OENOB
ID   PDXT_OENOB              Reviewed;         191 AA.
AC   Q04F27;
DT   26-JUN-2007, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Pyridoxal 5'-phosphate synthase subunit PdxT {ECO:0000255|HAMAP-Rule:MF_01615};
DE            EC=4.3.3.6 {ECO:0000255|HAMAP-Rule:MF_01615};
DE   AltName: Full=Pdx2 {ECO:0000255|HAMAP-Rule:MF_01615};
DE   AltName: Full=Pyridoxal 5'-phosphate synthase glutaminase subunit {ECO:0000255|HAMAP-Rule:MF_01615};
DE            EC=3.5.1.2 {ECO:0000255|HAMAP-Rule:MF_01615};
GN   Name=pdxT {ECO:0000255|HAMAP-Rule:MF_01615}; OrderedLocusNames=OEOE_1037;
OS   Oenococcus oeni (strain ATCC BAA-331 / PSU-1).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Oenococcus.
OX   NCBI_TaxID=203123;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-331 / PSU-1;
RX   PubMed=17030793; DOI=10.1073/pnas.0607117103;
RA   Makarova K.S., Slesarev A., Wolf Y.I., Sorokin A., Mirkin B., Koonin E.V.,
RA   Pavlov A., Pavlova N., Karamychev V., Polouchine N., Shakhova V.,
RA   Grigoriev I., Lou Y., Rohksar D., Lucas S., Huang K., Goodstein D.M.,
RA   Hawkins T., Plengvidhya V., Welker D., Hughes J., Goh Y., Benson A.,
RA   Baldwin K., Lee J.-H., Diaz-Muniz I., Dosti B., Smeianov V., Wechter W.,
RA   Barabote R., Lorca G., Altermann E., Barrangou R., Ganesan B., Xie Y.,
RA   Rawsthorne H., Tamir D., Parker C., Breidt F., Broadbent J.R., Hutkins R.,
RA   O'Sullivan D., Steele J., Unlu G., Saier M.H. Jr., Klaenhammer T.,
RA   Richardson P., Kozyavkin S., Weimer B.C., Mills D.A.;
RT   "Comparative genomics of the lactic acid bacteria.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15611-15616(2006).
CC   -!- FUNCTION: Catalyzes the hydrolysis of glutamine to glutamate and
CC       ammonia as part of the biosynthesis of pyridoxal 5'-phosphate. The
CC       resulting ammonia molecule is channeled to the active site of PdxS.
CC       {ECO:0000255|HAMAP-Rule:MF_01615}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=aldehydo-D-ribose 5-phosphate + D-glyceraldehyde 3-phosphate +
CC         L-glutamine = H(+) + 3 H2O + L-glutamate + phosphate + pyridoxal 5'-
CC         phosphate; Xref=Rhea:RHEA:31507, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:29985, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:58273, ChEBI:CHEBI:58359, ChEBI:CHEBI:59776,
CC         ChEBI:CHEBI:597326; EC=4.3.3.6; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01615};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + L-glutamine = L-glutamate + NH4(+);
CC         Xref=Rhea:RHEA:15889, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:58359; EC=3.5.1.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01615};
CC   -!- PATHWAY: Cofactor biosynthesis; pyridoxal 5'-phosphate biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_01615}.
CC   -!- SUBUNIT: In the presence of PdxS, forms a dodecamer of heterodimers.
CC       Only shows activity in the heterodimer. {ECO:0000255|HAMAP-
CC       Rule:MF_01615}.
CC   -!- SIMILARITY: Belongs to the glutaminase PdxT/SNO family.
CC       {ECO:0000255|HAMAP-Rule:MF_01615}.
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DR   EMBL; CP000411; ABJ56945.1; -; Genomic_DNA.
DR   RefSeq; WP_002816429.1; NC_008528.1.
DR   AlphaFoldDB; Q04F27; -.
DR   SMR; Q04F27; -.
DR   STRING; 203123.OEOE_1037; -.
DR   EnsemblBacteria; ABJ56945; ABJ56945; OEOE_1037.
DR   GeneID; 57295632; -.
DR   KEGG; ooe:OEOE_1037; -.
DR   eggNOG; COG0311; Bacteria.
DR   HOGENOM; CLU_069674_2_0_9; -.
DR   OMA; VFIRAPI; -.
DR   OrthoDB; 1628378at2; -.
DR   UniPathway; UPA00245; -.
DR   Proteomes; UP000000774; Chromosome.
DR   GO; GO:0004359; F:glutaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0036381; F:pyridoxal 5'-phosphate synthase (glutamine hydrolysing) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006543; P:glutamine catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0042823; P:pyridoxal phosphate biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01749; GATase1_PB; 1.
DR   Gene3D; 3.40.50.880; -; 1.
DR   HAMAP; MF_01615; PdxT; 1.
DR   InterPro; IPR029062; Class_I_gatase-like.
DR   InterPro; IPR002161; PdxT/SNO.
DR   InterPro; IPR021196; PdxT/SNO_CS.
DR   PANTHER; PTHR31559; PTHR31559; 1.
DR   Pfam; PF01174; SNO; 1.
DR   PIRSF; PIRSF005639; Glut_amidoT_SNO; 1.
DR   SUPFAM; SSF52317; SSF52317; 1.
DR   TIGRFAMs; TIGR03800; PLP_synth_Pdx2; 1.
DR   PROSITE; PS01236; PDXT_SNO_1; 1.
DR   PROSITE; PS51130; PDXT_SNO_2; 1.
PE   3: Inferred from homology;
KW   Glutamine amidotransferase; Hydrolase; Lyase; Pyridoxal phosphate;
KW   Reference proteome.
FT   CHAIN           1..191
FT                   /note="Pyridoxal 5'-phosphate synthase subunit PdxT"
FT                   /id="PRO_0000293011"
FT   ACT_SITE        79
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   ACT_SITE        170
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   ACT_SITE        172
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         48..50
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         106
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         134..135
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
SQ   SEQUENCE   191 AA;  20983 MW;  9325DE3450314A19 CRC64;
     MTVKIGVLAL QGAVSEHIKA LKDSGAETIA VKDASQLEEL DGLVLPGGES TTMRRLMDKY
     GLFDAIKIFA KKKAIFGTCA GLILMAKEIE GRKGPHLGLL DIDVKRNAFG SQVDSFESDL
     KIDHVAESFD GVFIRAPYIK KVGPGVEILS TYNQHIVACR QGRFLACAFH PELTGDTRFH
     EYFVKITKEN K
 
 
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