ID PDXA_XYLFT Reviewed; 330 AA. AC Q87AJ1; DT 16-JUN-2003, integrated into UniProtKB/Swiss-Prot. DT 16-JUN-2003, sequence version 1. DT 27-MAR-2024, entry version 117. DE RecName: Full=4-hydroxythreonine-4-phosphate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00536}; DE EC=1.1.1.262 {ECO:0000255|HAMAP-Rule:MF_00536}; DE AltName: Full=4-(phosphohydroxy)-L-threonine dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00536}; GN Name=pdxA {ECO:0000255|HAMAP-Rule:MF_00536}; GN OrderedLocusNames=PD_1834; OS Xylella fastidiosa (strain Temecula1 / ATCC 700964). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Xanthomonadales; OC Xanthomonadaceae; Xylella. OX NCBI_TaxID=183190; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Temecula1 / ATCC 700964; RX PubMed=12533478; DOI=10.1128/jb.185.3.1018-1026.2003; RA Van Sluys M.A., de Oliveira M.C., Monteiro-Vitorello C.B., Miyaki C.Y., RA Furlan L.R., Camargo L.E.A., da Silva A.C.R., Moon D.H., Takita M.A., RA Lemos E.G.M., Machado M.A., Ferro M.I.T., da Silva F.R., Goldman M.H.S., RA Goldman G.H., Lemos M.V.F., El-Dorry H., Tsai S.M., Carrer H., RA Carraro D.M., de Oliveira R.C., Nunes L.R., Siqueira W.J., Coutinho L.L., RA Kimura E.T., Ferro E.S., Harakava R., Kuramae E.E., Marino C.L., RA Giglioti E., Abreu I.L., Alves L.M.C., do Amaral A.M., Baia G.S., RA Blanco S.R., Brito M.S., Cannavan F.S., Celestino A.V., da Cunha A.F., RA Fenille R.C., Ferro J.A., Formighieri E.F., Kishi L.T., Leoni S.G., RA Oliveira A.R., Rosa V.E. Jr., Sassaki F.T., Sena J.A.D., de Souza A.A., RA Truffi D., Tsukumo F., Yanai G.M., Zaros L.G., Civerolo E.L., RA Simpson A.J.G., Almeida N.F. Jr., Setubal J.C., Kitajima J.P.; RT "Comparative analyses of the complete genome sequences of Pierce's disease RT and citrus variegated chlorosis strains of Xylella fastidiosa."; RL J. Bacteriol. 185:1018-1026(2003). CC -!- FUNCTION: Catalyzes the NAD(P)-dependent oxidation of 4-(phosphooxy)-L- CC threonine (HTP) into 2-amino-3-oxo-4-(phosphooxy)butyric acid which CC spontaneously decarboxylates to form 3-amino-2-oxopropyl phosphate CC (AHAP). {ECO:0000255|HAMAP-Rule:MF_00536}. CC -!- CATALYTIC ACTIVITY: CC Reaction=4-(phosphooxy)-L-threonine + NAD(+) = 3-amino-2-oxopropyl CC phosphate + CO2 + NADH; Xref=Rhea:RHEA:32275, ChEBI:CHEBI:16526, CC ChEBI:CHEBI:57279, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, CC ChEBI:CHEBI:58452; EC=1.1.1.262; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00536}; CC -!- COFACTOR: CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00536}; CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00536}; CC Name=Co(2+); Xref=ChEBI:CHEBI:48828; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00536}; CC Note=Binds 1 divalent metal cation per subunit. Can use ions such as CC Zn(2+), Mg(2+) or Co(2+). {ECO:0000255|HAMAP-Rule:MF_00536}; CC -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis; CC pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 4/5. CC {ECO:0000255|HAMAP-Rule:MF_00536}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00536}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00536}. CC -!- MISCELLANEOUS: The active site is located at the dimer interface. CC {ECO:0000255|HAMAP-Rule:MF_00536}. CC -!- SIMILARITY: Belongs to the PdxA family. {ECO:0000255|HAMAP- CC Rule:MF_00536}. 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; AE009442; AAO29666.1; -; Genomic_DNA. DR RefSeq; WP_004084423.1; NC_004556.1. DR AlphaFoldDB; Q87AJ1; -. DR SMR; Q87AJ1; -. DR GeneID; 58017354; -. DR KEGG; xft:PD_1834; -. DR HOGENOM; CLU_040168_1_0_6; -. DR UniPathway; UPA00244; UER00312. DR Proteomes; UP000002516; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0050570; F:4-hydroxythreonine-4-phosphate dehydrogenase activity; IEA:UniProtKB-UniRule. DR GO; GO:0050897; F:cobalt ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0051287; F:NAD binding; IEA:InterPro. DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0042823; P:pyridoxal phosphate biosynthetic process; IEA:UniProtKB-UniRule. DR GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule. DR Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1. DR HAMAP; MF_00536; PdxA; 1. DR InterPro; IPR037510; PdxA. DR InterPro; IPR005255; PdxA_fam. DR NCBIfam; TIGR00557; pdxA; 1. DR PANTHER; PTHR30004; 4-HYDROXYTHREONINE-4-PHOSPHATE DEHYDROGENASE; 1. DR PANTHER; PTHR30004:SF5; 4-HYDROXYTHREONINE-4-PHOSPHATE DEHYDROGENASE; 1. DR Pfam; PF04166; PdxA; 1. DR SUPFAM; SSF53659; Isocitrate/Isopropylmalate dehydrogenase-like; 1. PE 3: Inferred from homology; KW Cobalt; Cytoplasm; Magnesium; Metal-binding; NAD; NADP; Oxidoreductase; KW Pyridoxine biosynthesis; Reference proteome; Zinc. FT CHAIN 1..330 FT /note="4-hydroxythreonine-4-phosphate dehydrogenase" FT /id="PRO_0000188840" FT BINDING 133 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 161 FT /ligand="a divalent metal cation" FT /ligand_id="ChEBI:CHEBI:60240" FT /ligand_note="ligand shared between dimeric partners" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 206 FT /ligand="a divalent metal cation" FT /ligand_id="ChEBI:CHEBI:60240" FT /ligand_note="ligand shared between dimeric partners" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 261 FT /ligand="a divalent metal cation" FT /ligand_id="ChEBI:CHEBI:60240" FT /ligand_note="ligand shared between dimeric partners" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 269 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 278 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 287 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" SQ SEQUENCE 330 AA; 34654 MW; 103FA63B9F0C1CF9 CRC64; MLHPALALVP GEPAGVGPEL CVRLVQQPRQ DCRLVAFADP ATLQAAAAAL DLPLRLLPPE ALPERPGDLP IQAHCHVHPT RFGHPDPANA PAVIAALCEA ASHCVHGVLH GIVTGPVHKA VINQSGIHYT GTTELLAAQA ECDVVMMLAN PHLRVALVTT HLPLRDVPDA ITAALLERCL RIVNTAMCGD FGIATPRIAV LGLNPHAGEE GYLGREELDV VIPVLQRLRA EGMVLLGPLS ADTAFLPTKL IGYDAVVAMY HDQGLPVLKH SGFEQAVNIT LGLPYPRVAV DHGTALDLAG RGVADPSSLF AATALCARLA ASRALLSVRS //