ID PDXA_BRADU Reviewed; 345 AA. AC Q89MT9; DT 27-JUN-2003, integrated into UniProtKB/Swiss-Prot. DT 01-JUN-2003, sequence version 1. DT 27-MAR-2024, entry version 118. 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=bll4103; OS Bradyrhizobium diazoefficiens (strain JCM 10833 / BCRC 13528 / IAM 13628 / OS NBRC 14792 / USDA 110). OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales; OC Nitrobacteraceae; Bradyrhizobium. OX NCBI_TaxID=224911; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=JCM 10833 / BCRC 13528 / IAM 13628 / NBRC 14792 / USDA 110; RX PubMed=12597275; DOI=10.1093/dnares/9.6.189; RA Kaneko T., Nakamura Y., Sato S., Minamisawa K., Uchiumi T., Sasamoto S., RA Watanabe A., Idesawa K., Iriguchi M., Kawashima K., Kohara M., RA Matsumoto M., Shimpo S., Tsuruoka H., Wada T., Yamada M., Tabata S.; RT "Complete genomic sequence of nitrogen-fixing symbiotic bacterium RT Bradyrhizobium japonicum USDA110."; RL DNA Res. 9:189-197(2002). 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; BA000040; BAC49368.1; -; Genomic_DNA. DR RefSeq; NP_770743.1; NC_004463.1. DR RefSeq; WP_011086877.1; NC_004463.1. DR AlphaFoldDB; Q89MT9; -. DR SMR; Q89MT9; -. DR STRING; 224911.AAV28_17545; -. DR EnsemblBacteria; BAC49368; BAC49368; BAC49368. DR KEGG; bja:bll4103; -. DR PATRIC; fig|224911.5.peg.4112; -. DR eggNOG; COG1995; Bacteria. DR HOGENOM; CLU_040168_1_0_5; -. DR InParanoid; Q89MT9; -. DR OrthoDB; 9801783at2; -. DR PhylomeDB; Q89MT9; -. DR UniPathway; UPA00244; UER00312. DR Proteomes; UP000002526; 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:SF6; D-THREONATE 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..345 FT /note="4-hydroxythreonine-4-phosphate dehydrogenase" FT /id="PRO_0000188799" FT BINDING 148 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 149 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 182 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 227 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 282 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 290 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 299 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" FT BINDING 308 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536" SQ SEQUENCE 345 AA; 36145 MW; 2E6FCD4B37B3DDE4 CRC64; MANHAAKPLA LTLGEPAGIG PDITIAGWLR RRELNLPAFY LLGDEALIAR RAKTLDKTLG KALGAEIRIA SVSAHEAAAA FTEALPVVAT GERATAEPGQ PDASSAPAAL ASIRQAVADV RAGRAGAVVT NPIAKSVLYR AGFRHPGHTE FLAELAAKDG RVPQPVMMLW SPRLAVVPVT IHVSLRDALS QLTSELIVST VRIVATELKS RFGIARPRIA VSGLNPHAGE DGSLGHEEQT IIAPALKTLR NDGIDARGPL PADTMFHEAA RSSYDCAVCM YHDQALIPIK TVAFDDAVNV TLGLPFIRTS PDHGTAFDIA GTGKANPASL IAALELASRM AAAKT //