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PDXT_MYCVP
ID   PDXT_MYCVP              Reviewed;         195 AA.
AC   A1T876;
DT   26-JUN-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 82.
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=Mvan_2566;
OS   Mycolicibacterium vanbaalenii (strain DSM 7251 / JCM 13017 / BCRC 16820 /
OS   KCTC 9966 / NRRL B-24157 / PYR-1) (Mycobacterium vanbaalenii).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycolicibacterium.
OX   NCBI_TaxID=350058;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 7251 / JCM 13017 / BCRC 16820 / KCTC 9966 / NRRL B-24157 /
RC   PYR-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Singan V., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Anderson I.J., Miller C., Richardson P.;
RT   "Complete sequence of Mycobacterium vanbaalenii PYR-1.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000511; ABM13376.1; -; Genomic_DNA.
DR   RefSeq; WP_011779785.1; NC_008726.1.
DR   AlphaFoldDB; A1T876; -.
DR   SMR; A1T876; -.
DR   STRING; 350058.Mvan_2566; -.
DR   EnsemblBacteria; ABM13376; ABM13376; Mvan_2566.
DR   KEGG; mva:Mvan_2566; -.
DR   eggNOG; COG0311; Bacteria.
DR   HOGENOM; CLU_069674_2_0_11; -.
DR   OMA; VFIRAPI; -.
DR   OrthoDB; 1628378at2; -.
DR   UniPathway; UPA00245; -.
DR   Proteomes; UP000009159; 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..195
FT                   /note="Pyridoxal 5'-phosphate synthase subunit PdxT"
FT                   /id="PRO_0000293009"
FT   ACT_SITE        81
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   ACT_SITE        177
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   ACT_SITE        179
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         49..51
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         113
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         141..142
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
SQ   SEQUENCE   195 AA;  20824 MW;  119798C3AD55C469 CRC64;
     MSAPQVGVLA LQGDTREHLA ALREAGAEAR TVRRLDELNS VDALVIPGGE STAMSHLLRE
     FGLLEPLRAR LAEGMPAYGS CAGMILLATE IADAGVAGRE ALPLGGIDMT VRRNAFGRQV
     DSFEEDVEFE GLDGPVHAVF IRAPWVERVG PDVEVLARAG GHPVAVRQGK MLATAFHPEV
     TGDRRVHRLF VASLS
 
 
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