ID A0A0N7KBE5_9GAMM Unreviewed; 241 AA.
AC A0A0N7KBE5;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 24-JAN-2024, entry version 35.
DE RecName: Full=Pyridoxine 5'-phosphate synthase {ECO:0000256|HAMAP-Rule:MF_00279};
DE Short=PNP synthase {ECO:0000256|HAMAP-Rule:MF_00279};
DE EC=2.6.99.2 {ECO:0000256|HAMAP-Rule:MF_00279};
GN Name=pdxJ {ECO:0000256|HAMAP-Rule:MF_00279,
GN ECO:0000313|EMBL:BAS67791.1};
GN ORFNames=BSEPE_0798 {ECO:0000313|EMBL:BAS67791.1};
OS endosymbiont of Bathymodiolus septemdierum str. Myojin knoll.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; sulfur-oxidizing symbionts.
OX NCBI_TaxID=1303921 {ECO:0000313|EMBL:BAS67791.1, ECO:0000313|Proteomes:UP000067399};
RN [1] {ECO:0000313|EMBL:BAS67791.1, ECO:0000313|Proteomes:UP000067399}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Myojin Knoll {ECO:0000313|EMBL:BAS67791.1,
RC ECO:0000313|Proteomes:UP000067399};
RA Fujiwara Y., Takai K., Uematsu K., Tsuchida S., Hunt J.C., Hashimoto J.;
RT "Phylogenetic characterization of endosymbionts in three hydrothermal vent
RT mussels: influence on host distributions.";
RL Mar. Ecol. Prog. Ser. 208:147-155(2000).
RN [2] {ECO:0000313|EMBL:BAS67791.1, ECO:0000313|Proteomes:UP000067399}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Myojin Knoll {ECO:0000313|EMBL:BAS67791.1,
RC ECO:0000313|Proteomes:UP000067399};
RX PubMed=26418631; DOI=10.1038/ismej.2015.176;
RA Ikuta T., Takaki Y., Nagai Y., Shimamura S., Tsuda M., Kawagucci S.,
RA Aoki Y., Inoue K., Teruya M., Satou K., Teruya K., Shimoji M., Tamotsu H.,
RA Hirano T., Maruyama T., Yoshida T.;
RT "Heterogeneous composition of key metabolic gene clusters in a vent mussel
RT symbiont population.";
RL ISME J. 10:990-1001(2016).
CC -!- FUNCTION: Catalyzes the complicated ring closure reaction between the
CC two acyclic compounds 1-deoxy-D-xylulose-5-phosphate (DXP) and 3-amino-
CC 2-oxopropyl phosphate (1-amino-acetone-3-phosphate or AAP) to form
CC pyridoxine 5'-phosphate (PNP) and inorganic phosphate.
CC {ECO:0000256|HAMAP-Rule:MF_00279}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-deoxy-D-xylulose 5-phosphate + 3-amino-2-oxopropyl phosphate
CC = H(+) + 2 H2O + phosphate + pyridoxine 5'-phosphate;
CC Xref=Rhea:RHEA:15265, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57279, ChEBI:CHEBI:57792,
CC ChEBI:CHEBI:58589; EC=2.6.99.2; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_00279};
CC -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis;
CC pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 5/5.
CC {ECO:0000256|HAMAP-Rule:MF_00279}.
CC -!- SUBUNIT: Homooctamer; tetramer of dimers. {ECO:0000256|HAMAP-
CC Rule:MF_00279}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00279}.
CC -!- SIMILARITY: Belongs to the PNP synthase family. {ECO:0000256|HAMAP-
CC Rule:MF_00279}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AP013042; BAS67791.1; -; Genomic_DNA.
DR RefSeq; WP_066044385.1; NZ_AP013042.1.
DR AlphaFoldDB; A0A0N7KBE5; -.
DR STRING; 1303921.BSEPE_0798; -.
DR KEGG; ebh:BSEPE_0798; -.
DR OrthoDB; 9806590at2; -.
DR UniPathway; UPA00244; UER00313.
DR Proteomes; UP000067399; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0033856; F:pyridoxine 5'-phosphate synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd00003; PNPsynthase; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_00279; PdxJ; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR004569; PyrdxlP_synth_PdxJ.
DR InterPro; IPR036130; Pyridoxine-5'_phos_synth.
DR NCBIfam; TIGR00559; pdxJ; 1.
DR PANTHER; PTHR30456; PYRIDOXINE 5'-PHOSPHATE SYNTHASE; 1.
DR PANTHER; PTHR30456:SF0; PYRIDOXINE 5'-PHOSPHATE SYNTHASE; 1.
DR Pfam; PF03740; PdxJ; 1.
DR SUPFAM; SSF63892; Pyridoxine 5'-phosphate synthase; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00279};
KW Pyridoxine biosynthesis {ECO:0000256|ARBA:ARBA00023096, ECO:0000256|HAMAP-
KW Rule:MF_00279}; Reference proteome {ECO:0000313|Proteomes:UP000067399};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00279, ECO:0000313|EMBL:BAS67791.1}.
FT ACT_SITE 44
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT ACT_SITE 71
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT ACT_SITE 191
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 8
FT /ligand="3-amino-2-oxopropyl phosphate"
FT /ligand_id="ChEBI:CHEBI:57279"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 10..11
FT /ligand="1-deoxy-D-xylulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:57792"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 19
FT /ligand="3-amino-2-oxopropyl phosphate"
FT /ligand_id="ChEBI:CHEBI:57279"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 46
FT /ligand="1-deoxy-D-xylulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:57792"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 51
FT /ligand="1-deoxy-D-xylulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:57792"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 101
FT /ligand="1-deoxy-D-xylulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:57792"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 192
FT /ligand="3-amino-2-oxopropyl phosphate"
FT /ligand_id="ChEBI:CHEBI:57279"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT BINDING 213..214
FT /ligand="3-amino-2-oxopropyl phosphate"
FT /ligand_id="ChEBI:CHEBI:57279"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
FT SITE 152
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00279"
SQ SEQUENCE 241 AA; 26419 MW; A1FADA1541071AAA CRC64;
MSIYLGVNID HIATIRQARG TNYPSPVEGA LLCERSGADS ITLHLREDRR HIQDYDVEIL
REKLTTKMNL EMATTDEMIA IASKIKPEDC CLVPEKREEL TTEGGLDVAG QIPRMTDVCA
QLKNANIIVS LFIDAQKNQI DAAKECGAPV IELHTGHYAD TMGVEKVAEF ERIKTMATYA
HSIGLQVNAG HGLTMENTTE IAKLPEIKEL NIGHAIIARA IFIGLAAATQ EMKDLIIGAR
A
//