PDXB_TOLAT
ID PDXB_TOLAT Reviewed; 373 AA.
AC C4LF16;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 07-JUL-2009, sequence version 1.
DT 03-AUG-2022, entry version 66.
DE RecName: Full=Erythronate-4-phosphate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01825};
DE EC=1.1.1.290 {ECO:0000255|HAMAP-Rule:MF_01825};
GN Name=pdxB {ECO:0000255|HAMAP-Rule:MF_01825}; OrderedLocusNames=Tola_1572;
OS Tolumonas auensis (strain DSM 9187 / TA4).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Aeromonadales;
OC Aeromonadaceae; Tolumonas.
OX NCBI_TaxID=595494;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 9187 / TA4;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C., Han C.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Spring S.,
RA Beller H.;
RT "Complete sequence of Tolumonas auensis DSM 9187.";
RL Submitted (MAY-2009) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the oxidation of erythronate-4-phosphate to 3-
CC hydroxy-2-oxo-4-phosphonooxybutanoate. {ECO:0000255|HAMAP-
CC Rule:MF_01825}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-phospho-D-erythronate + NAD(+) = (R)-3-hydroxy-2-oxo-4-
CC phosphooxybutanoate + H(+) + NADH; Xref=Rhea:RHEA:18829,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:58538, ChEBI:CHEBI:58766; EC=1.1.1.290;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01825};
CC -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis;
CC pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 2/5.
CC {ECO:0000255|HAMAP-Rule:MF_01825}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01825}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01825}.
CC -!- SIMILARITY: Belongs to the D-isomer specific 2-hydroxyacid
CC dehydrogenase family. PdxB subfamily. {ECO:0000255|HAMAP-
CC Rule:MF_01825}.
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DR EMBL; CP001616; ACQ93183.1; -; Genomic_DNA.
DR RefSeq; WP_015878654.1; NC_012691.1.
DR AlphaFoldDB; C4LF16; -.
DR SMR; C4LF16; -.
DR STRING; 595494.Tola_1572; -.
DR EnsemblBacteria; ACQ93183; ACQ93183; Tola_1572.
DR KEGG; tau:Tola_1572; -.
DR eggNOG; COG0111; Bacteria.
DR HOGENOM; CLU_019796_4_0_6; -.
DR OMA; SAPGCNA; -.
DR OrthoDB; 1638924at2; -.
DR UniPathway; UPA00244; UER00310.
DR Proteomes; UP000009073; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0033711; F:4-phosphoerythronate dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0046983; F:protein dimerization activity; IEA:InterPro.
DR GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd12158; ErythrP_dh; 1.
DR Gene3D; 3.30.1370.170; -; 1.
DR HAMAP; MF_01825; PdxB; 1.
DR InterPro; IPR006139; D-isomer_2_OHA_DH_cat_dom.
DR InterPro; IPR006140; D-isomer_DH_NAD-bd.
DR InterPro; IPR020921; Erythronate-4-P_DHase.
DR InterPro; IPR024531; Erythronate-4-P_DHase_dimer.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR038251; PdxB_dimer_sf.
DR Pfam; PF00389; 2-Hacid_dh; 1.
DR Pfam; PF02826; 2-Hacid_dh_C; 1.
DR Pfam; PF11890; DUF3410; 1.
DR SUPFAM; SSF51735; SSF51735; 1.
PE 3: Inferred from homology;
KW Cytoplasm; NAD; Oxidoreductase; Pyridoxine biosynthesis;
KW Reference proteome.
FT CHAIN 1..373
FT /note="Erythronate-4-phosphate dehydrogenase"
FT /id="PRO_1000216074"
FT ACT_SITE 208
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT ACT_SITE 237
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT ACT_SITE 254
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT BINDING 45
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT BINDING 67
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT BINDING 147
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT BINDING 206..208
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT BINDING 232
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT BINDING 257
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
FT BINDING 258
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01825"
SQ SEQUENCE 373 AA; 41335 MW; 17AABBDF0F62530D CRC64;
MKIVVDENMP LAEALFAEFG EVVRVPGRTM TAEQLADADI LLVRSVTKVN AALLSQATNL
KFVGTATIGT DHIDKAVLAE KGINFTSAPG CNKVSVGEYI ISALLVMAEK YQFSLSGLSL
GVIGAGNTGT AVAERASALG IEVKLCDPLK EQAGDPRSFV SYDEALQCDL ISFHVPLSRE
GEHATFHLLD KKYIQALRSE QILLNASRGE VWDNQAMLLR QQSAEPLLLV MDVWENEPDI
LHELVPYTDI ATPHIAGYSL EGKYRGTYML YEAFCQQFGY TVTKQLKQLL PVADINALTL
NANTDEVVLK KLIHLVYDVR RDDARFRHQI GLPGRFDEMR KKYPERREWS SVTISSEQNN
DELVKLGFSV SGN
