ID A0A1Y4HT81_9BACT Unreviewed; 347 AA.
AC A0A1Y4HT81;
DT 30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT 30-AUG-2017, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=Erythronate-4-phosphate dehydrogenase {ECO:0000256|HAMAP-Rule:MF_01825};
DE EC=1.1.1.290 {ECO:0000256|HAMAP-Rule:MF_01825};
GN Name=pdxB {ECO:0000256|HAMAP-Rule:MF_01825};
GN ORFNames=B5F34_04030 {ECO:0000313|EMBL:OUP11264.1};
OS Mediterranea sp. An20.
OC Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC Mediterranea.
OX NCBI_TaxID=1965586 {ECO:0000313|EMBL:OUP11264.1, ECO:0000313|Proteomes:UP000196631};
RN [1] {ECO:0000313|Proteomes:UP000196631}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=An20 {ECO:0000313|Proteomes:UP000196631};
RA Medvecky M., Cejkova D., Polansky O., Karasova D., Kubasova T., Cizek A.,
RA Rychlik I.;
RT "Function of individual gut microbiota members based on whole genome
RT sequencing of pure cultures obtained from chicken caecum.";
RL Submitted (APR-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the oxidation of erythronate-4-phosphate to 3-
CC hydroxy-2-oxo-4-phosphonooxybutanoate. {ECO:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_01825}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01825}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01825}.
CC -!- SIMILARITY: Belongs to the D-isomer specific 2-hydroxyacid
CC dehydrogenase family. PdxB subfamily. {ECO:0000256|HAMAP-
CC Rule:MF_01825}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01825}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OUP11264.1}.
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DR EMBL; NFJV01000004; OUP11264.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Y4HT81; -.
DR OrthoDB; 1522997at2; -.
DR UniPathway; UPA00244; UER00310.
DR Proteomes; UP000196631; Unassembled WGS sequence.
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 Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 2.
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 PANTHER; PTHR10996:SF178; 2-HYDROXYACID DEHYDROGENASE YGL185C-RELATED; 1.
DR PANTHER; PTHR10996; 2-HYDROXYACID DEHYDROGENASE-RELATED; 1.
DR Pfam; PF00389; 2-Hacid_dh; 1.
DR Pfam; PF02826; 2-Hacid_dh_C; 1.
DR Pfam; PF11890; DUF3410; 1.
DR SUPFAM; SSF52283; Formate/glycerate dehydrogenase catalytic domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01825};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01825};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01825};
KW Pyridoxine biosynthesis {ECO:0000256|ARBA:ARBA00023096, ECO:0000256|HAMAP-
KW Rule:MF_01825}; Reference proteome {ECO:0000313|Proteomes:UP000196631}.
FT DOMAIN 20..279
FT /note="D-isomer specific 2-hydroxyacid dehydrogenase
FT catalytic"
FT /evidence="ECO:0000259|Pfam:PF00389"
FT DOMAIN 113..257
FT /note="D-isomer specific 2-hydroxyacid dehydrogenase NAD-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02826"
FT DOMAIN 303..342
FT /note="Erythronate-4-phosphate dehydrogenase dimerisation"
FT /evidence="ECO:0000259|Pfam:PF11890"
FT ACT_SITE 209
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT ACT_SITE 238
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT ACT_SITE 255
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT BINDING 46
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT BINDING 67
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT BINDING 147
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT BINDING 233
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT BINDING 258
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
FT BINDING 259
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01825"
SQ SEQUENCE 347 AA; 38664 MW; FA7F56DADB6593A9 CRC64;
MKIIVDNKIP FIREAAEHVA DEVVYAPGHE FTPELVKDAD ALIIRTRTRC DRHLLEGSSV
RFIATATIGF DHIDTEYCRQ AGIQWANAPG CNAPSVAQYL HSVLLLLQMK RDKPLAGLTL
GIVGVGHVGS LIAEVGSDMG MKVLLNDPPR EEQEGPGRFC PLSQLAEESD ILTFHVPLVR
TGNYPTFHLA DEDFFRSLRR KPVFINTSRG EVHDTQALLS ALAEGRIADA VIDVWENEPD
IDRNLLQQAL IGTPHIAGYS ADGKANASRM ALTAVCKFFG IKPDFHIAPP KPLNPVITAA
NETEAYLQMY DPRRDSEALK AHPEQFEQLR GDYPLRRERQ AYLFRHV
//