ID PDXA_VIBVY Reviewed; 328 AA. AC Q7MP85; DT 19-JUL-2005, integrated into UniProtKB/Swiss-Prot. DT 19-JUL-2005, sequence version 2. DT 27-MAR-2024, entry version 124. 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}; OrderedLocusNames=VV0479; OS Vibrio vulnificus (strain YJ016). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae; OC Vibrio. OX NCBI_TaxID=196600; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=YJ016; RX PubMed=14656965; DOI=10.1101/gr.1295503; RA Chen C.-Y., Wu K.-M., Chang Y.-C., Chang C.-H., Tsai H.-C., Liao T.-L., RA Liu Y.-M., Chen H.-J., Shen A.B.-T., Li J.-C., Su T.-L., Shao C.-P., RA Lee C.-T., Hor L.-I., Tsai S.-F.; RT "Comparative genome analysis of Vibrio vulnificus, a marine pathogen."; RL Genome Res. 13:2577-2587(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 -!- SEQUENCE CAUTION: CC Sequence=BAC93243.1; Type=Erroneous initiation; Evidence={ECO:0000305}; 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; BA000037; BAC93243.1; ALT_INIT; Genomic_DNA. DR RefSeq; WP_043877051.1; NC_005139.1. DR AlphaFoldDB; Q7MP85; -. DR SMR; Q7MP85; -. DR STRING; 672.VV93_v1c04460; -. DR KEGG; vvy:VV0479; -. DR PATRIC; fig|196600.6.peg.505; -. DR eggNOG; COG1995; Bacteria. DR HOGENOM; CLU_040168_2_0_6; -. DR UniPathway; UPA00244; UER00312. DR Proteomes; UP000002675; Chromosome I. 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; Zinc. FT CHAIN 1..328 FT /note="4-hydroxythreonine-4-phosphate dehydrogenase" FT /id="PRO_0000188836" FT BINDING 134 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 135 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 164 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 209 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 265 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 273 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 282 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 291 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" SQ SEQUENCE 328 AA; 35506 MW; 28BC3C09FF777ACB CRC64; MVKRLVVTAG EPAGIGPDLV LALSKEHWPH QLVVCADKKM LAQRAEQLGI NVTLLDYDAS TAPSPQQAGT LVVEHIDMPS TCVAGQLNEE NGHYVLKTLE RAALGCMKSE FDAIVTGPVH KGVINRAGVA FSGHTEFFAE LSNTPLVVMM LATEGLRVAL VTTHIPLAYV SKAVTAERLQ KIIDILHRDL VEKFAIAEPK IYVCGLNPHA GEDGCLGREE IETITPTLEK IRQEKGIHLL GPLPADTIFN EKYLNDADAV LGMYHDQVLP VLKYKGFGQS VNITLGLPFI RTSVDHGTAL DLAGTGQANT GSFRTALQHA IELVEKKQ //