PDXS_CHLSY
ID PDXS_CHLSY Reviewed; 293 AA.
AC B9LIK3;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 24-MAR-2009, sequence version 1.
DT 03-AUG-2022, entry version 72.
DE RecName: Full=Pyridoxal 5'-phosphate synthase subunit PdxS {ECO:0000255|HAMAP-Rule:MF_01824};
DE Short=PLP synthase subunit PdxS {ECO:0000255|HAMAP-Rule:MF_01824};
DE EC=4.3.3.6 {ECO:0000255|HAMAP-Rule:MF_01824};
DE AltName: Full=Pdx1 {ECO:0000255|HAMAP-Rule:MF_01824};
GN Name=pdxS {ECO:0000255|HAMAP-Rule:MF_01824}; OrderedLocusNames=Chy400_2403;
OS Chloroflexus aurantiacus (strain ATCC 29364 / DSM 637 / Y-400-fl).
OC Bacteria; Chloroflexi; Chloroflexia; Chloroflexales; Chloroflexineae;
OC Chloroflexaceae; Chloroflexus.
OX NCBI_TaxID=480224;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29364 / DSM 637 / Y-400-fl;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Sims D., Kiss H., Brettin T.,
RA Detter J.C., Han C., Larimer F., Land M., Hauser L., Kyrpides N.,
RA Ovchinnikova G., Bryant D.A., Richardson P.;
RT "Complete sequence of Chloroflexus sp. Y-400-fl.";
RL Submitted (JAN-2009) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the formation of pyridoxal 5'-phosphate from ribose
CC 5-phosphate (RBP), glyceraldehyde 3-phosphate (G3P) and ammonia. The
CC ammonia is provided by the PdxT subunit. Can also use ribulose 5-
CC phosphate and dihydroxyacetone phosphate as substrates, resulting from
CC enzyme-catalyzed isomerization of RBP and G3P, respectively.
CC {ECO:0000255|HAMAP-Rule:MF_01824}.
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_01824};
CC -!- PATHWAY: Cofactor biosynthesis; pyridoxal 5'-phosphate biosynthesis.
CC {ECO:0000255|HAMAP-Rule:MF_01824}.
CC -!- SUBUNIT: In the presence of PdxT, forms a dodecamer of heterodimers.
CC {ECO:0000255|HAMAP-Rule:MF_01824}.
CC -!- SIMILARITY: Belongs to the PdxS/SNZ family. {ECO:0000255|HAMAP-
CC Rule:MF_01824}.
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DR EMBL; CP001364; ACM53797.1; -; Genomic_DNA.
DR RefSeq; WP_012258093.1; NC_012032.1.
DR AlphaFoldDB; B9LIK3; -.
DR SMR; B9LIK3; -.
DR KEGG; chl:Chy400_2403; -.
DR HOGENOM; CLU_055352_1_0_0; -.
DR OMA; RYANRGW; -.
DR OrthoDB; 784095at2; -.
DR UniPathway; UPA00245; -.
DR GO; GO:0036381; F:pyridoxal 5'-phosphate synthase (glutamine hydrolysing) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0042823; P:pyridoxal phosphate biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd04727; pdxS; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR HAMAP; MF_01824; PdxS; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR001852; PdxS/SNZ.
DR InterPro; IPR033755; PdxS/SNZ_N.
DR InterPro; IPR011060; RibuloseP-bd_barrel.
DR PANTHER; PTHR31829; PTHR31829; 1.
DR Pfam; PF01680; SOR_SNZ; 1.
DR PIRSF; PIRSF029271; Pdx1; 1.
DR SUPFAM; SSF51366; SSF51366; 1.
DR TIGRFAMs; TIGR00343; TIGR00343; 1.
DR PROSITE; PS01235; PDXS_SNZ_1; 1.
DR PROSITE; PS51129; PDXS_SNZ_2; 1.
PE 3: Inferred from homology;
KW Lyase; Pyridoxal phosphate; Schiff base.
FT CHAIN 1..293
FT /note="Pyridoxal 5'-phosphate synthase subunit PdxS"
FT /id="PRO_1000188217"
FT ACT_SITE 80
FT /note="Schiff-base intermediate with D-ribose 5-phosphate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01824"
FT BINDING 23
FT /ligand="D-ribose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:78346"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01824"
FT BINDING 152
FT /ligand="D-ribose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:78346"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01824"
FT BINDING 164
FT /ligand="D-glyceraldehyde 3-phosphate"
FT /ligand_id="ChEBI:CHEBI:59776"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01824"
FT BINDING 213
FT /ligand="D-ribose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:78346"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01824"
FT BINDING 234..235
FT /ligand="D-ribose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:78346"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01824"
SQ SEQUENCE 293 AA; 31548 MW; 0E58F8AD6CD42514 CRC64;
MEKSTWTTKV GLAQMLKGGV IMDVVTPEQA RIAEEAGAVA VMALERVPAD IRAQGGVARM
SDPELILAIK QAVTIPVMAK ARIGHFVEAQ VLEAIGVDYI DESEVLTPAD EEHHINKHKF
RVPFVCGCRN LGEALRRVAE GAAMLRTKGE AGTGNVVEAV RHARAVYSEI RRLQSMNEDE
LFTYAKQIQA PYELVKQVAT EGKLPVVNFA AGGIATPADA ALLMQLGVDG IFVGSGIFKS
GDPVKRARAI VEATTHYNDP EIIAEVSKGL GEAMVGINID QIPADQLMAR RGW
