ID   GHRB_ECODH              Reviewed;         324 AA.
AC   B1X8G8;
DT   02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=Glyoxylate/hydroxypyruvate reductase B {ECO:0000255|HAMAP-Rule:MF_01667};
DE            EC=1.1.1.79 {ECO:0000255|HAMAP-Rule:MF_01667};
DE            EC=1.1.1.81 {ECO:0000255|HAMAP-Rule:MF_01667};
GN   Name=ghrB {ECO:0000255|HAMAP-Rule:MF_01667}; Synonyms=tiaE;
GN   OrderedLocusNames=ECDH10B_3732;
OS   Escherichia coli (strain K12 / DH10B).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=316385;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / DH10B;
RX   PubMed=18245285; DOI=10.1128/jb.01695-07;
RA   Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA   Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA   Posfai G., Weinstock G.M., Blattner F.R.;
RT   "The complete genome sequence of Escherichia coli DH10B: insights into the
RT   biology of a laboratory workhorse.";
RL   J. Bacteriol. 190:2597-2606(2008).
CC   -!- FUNCTION: Catalyzes the NADPH-dependent reduction of glyoxylate and
CC       hydroxypyruvate into glycolate and glycerate, respectively.
CC       {ECO:0000255|HAMAP-Rule:MF_01667}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=glycolate + NADP(+) = glyoxylate + H(+) + NADPH;
CC         Xref=Rhea:RHEA:10992, ChEBI:CHEBI:15378, ChEBI:CHEBI:29805,
CC         ChEBI:CHEBI:36655, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.1.1.79;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01667};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(R)-glycerate + NAD(+) = 3-hydroxypyruvate + H(+) + NADH;
CC         Xref=Rhea:RHEA:17905, ChEBI:CHEBI:15378, ChEBI:CHEBI:16659,
CC         ChEBI:CHEBI:17180, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.1.1.81;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01667};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(R)-glycerate + NADP(+) = 3-hydroxypyruvate + H(+) + NADPH;
CC         Xref=Rhea:RHEA:18657, ChEBI:CHEBI:15378, ChEBI:CHEBI:16659,
CC         ChEBI:CHEBI:17180, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.1.1.81;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01667};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01667}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01667}.
CC   -!- SIMILARITY: Belongs to the D-isomer specific 2-hydroxyacid
CC       dehydrogenase family. GhrB subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_01667}.
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DR   EMBL; CP000948; ACB04603.1; -; Genomic_DNA.
DR   RefSeq; WP_000805038.1; NC_010473.1.
DR   AlphaFoldDB; B1X8G8; -.
DR   SMR; B1X8G8; -.
DR   KEGG; ecd:ECDH10B_3732; -.
DR   HOGENOM; CLU_019796_1_2_6; -.
DR   OMA; KMKPNCI; -.
DR   BioCyc; ECOL316385:ECDH10B_RS18990-MON; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-UniRule.
DR   GO; GO:0008465; F:glycerate dehydrogenase activity; IEA:RHEA.
DR   GO; GO:0030267; F:glyoxylate reductase (NADP+) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016618; F:hydroxypyruvate reductase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR   HAMAP; MF_01667; 2_Hacid_dh_C_GhrB; 1.
DR   InterPro; IPR006139; D-isomer_2_OHA_DH_cat_dom.
DR   InterPro; IPR029753; D-isomer_DH_CS.
DR   InterPro; IPR006140; D-isomer_DH_NAD-bd.
DR   InterPro; IPR023756; Glyo/OHPyrv_Rdtase_B.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   Pfam; PF00389; 2-Hacid_dh; 1.
DR   Pfam; PF02826; 2-Hacid_dh_C; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   PROSITE; PS00670; D_2_HYDROXYACID_DH_2; 1.
DR   PROSITE; PS00671; D_2_HYDROXYACID_DH_3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; NAD; NADP; Oxidoreductase.
FT   CHAIN           1..324
FT                   /note="Glyoxylate/hydroxypyruvate reductase B"
FT                   /id="PRO_0000348384"
FT   ACT_SITE        237
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01667"
FT   ACT_SITE        266
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01667"
FT   ACT_SITE        285
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01667"
SQ   SEQUENCE   324 AA;  35396 MW;  1B21339B1337D255 CRC64;
     MKPSVILYKA LPDDLLQRLQ EHFTVHQVAN LSPQTVEQNA AIFAEAEGLL GSNENVNAAL
     LEKMPKLRAT STISVGYDNF DVDALTARKI LLMHTPTVLT ETVADTLMAL VLSTARRVVE
     VAERVKAGEW TASIGPDWYG TDVHHKTLGI VGMGRIGMAL AQRAHFGFNM PILYNARRHH
     KEAEERFNAR YCDLDTLLQE SDFVCLILPL TDETHHLFGA EQFAKMKSSA IFINAGRGPV
     VDENALIAAL QKGEIHAAGL DVFEQEPLSV DSPLLSMANV VAVPHIGSAT HETRYGMAAC
     AVDNLIDALQ GKVEKNCVNP HVAD