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PDXT_PSECP
ID   PDXT_PSECP              Reviewed;         236 AA.
AC   B8H9E0;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 78.
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=Achl_2035;
OS   Pseudarthrobacter chlorophenolicus (strain ATCC 700700 / DSM 12829 / CIP
OS   107037 / JCM 12360 / KCTC 9906 / NCIMB 13794 / A6) (Arthrobacter
OS   chlorophenolicus).
OC   Bacteria; Actinobacteria; Micrococcales; Micrococcaceae; Pseudarthrobacter.
OX   NCBI_TaxID=452863;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700700 / DSM 12829 / CIP 107037 / JCM 12360 / KCTC 9906 / NCIMB
RC   13794 / A6;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA   Goodwin L., Pitluck S., Goltsman E., Clum A., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Mikhailova N., Jansson J., Richardson P.;
RT   "Complete sequence of chromosome of Arthrobacter chlorophenolicus A6.";
RL   Submitted (JAN-2009) 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; CP001341; ACL40009.1; -; Genomic_DNA.
DR   RefSeq; WP_015937227.1; NC_011886.1.
DR   AlphaFoldDB; B8H9E0; -.
DR   SMR; B8H9E0; -.
DR   STRING; 452863.Achl_2035; -.
DR   MEROPS; C26.A32; -.
DR   EnsemblBacteria; ACL40009; ACL40009; Achl_2035.
DR   KEGG; ach:Achl_2035; -.
DR   eggNOG; COG0311; Bacteria.
DR   HOGENOM; CLU_069674_2_0_11; -.
DR   OMA; VFIRAPI; -.
DR   OrthoDB; 1628378at2; -.
DR   UniPathway; UPA00245; -.
DR   Proteomes; UP000002505; 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.
FT   CHAIN           1..236
FT                   /note="Pyridoxal 5'-phosphate synthase subunit PdxT"
FT                   /id="PRO_1000185868"
FT   ACT_SITE        93
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   ACT_SITE        215
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   ACT_SITE        217
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         61..63
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         127
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
FT   BINDING         163..164
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01615"
SQ   SEQUENCE   236 AA;  25027 MW;  472F0F837BD6D40E CRC64;
     MTNSLSAESA RVGSGLRIGV LALQGDFREH LRAAAESGAE GVSVRRPREL DGLDGLIIPG
     GESTAIDKLA RAFELAGPLR ERIAGGLPVY GSCAGMILLA SDIADPATDL SGAPQQTFGG
     LDMTVRRNAF GRQRESFETD LDFKGLEFSA TDADVAPVHA VFIRGPWVER VGPGVEILAQ
     VEPADPEHAS HTAELPGAAR IVAVRSGRLL ATSFHPEVTG EKRVHELFIR MIRGEA
 
 
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