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BUDC_CORGT
ID   BUDC_CORGT              Reviewed;         258 AA.
AC   Q9ZNN8;
DT   05-SEP-2012, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=L-2,3-butanediol dehydrogenase;
DE            Short=L-BDH;
DE            EC=1.1.1.76;
DE   AltName: Full=(S,S)-butanediol dehydrogenase;
DE   AltName: Full=Diacetyl reductase [(S)-acetoin forming] {ECO:0000303|Ref.1};
DE            EC=1.1.1.304 {ECO:0000269|Ref.1};
GN   Name=budC {ECO:0000303|Ref.1};
OS   Corynebacterium glutamicum (Brevibacterium saccharolyticum).
OC   Bacteria; Actinobacteria; Corynebacteriales; Corynebacteriaceae;
OC   Corynebacterium.
OX   NCBI_TaxID=1718;
RN   [1] {ECO:0000305, ECO:0000312|EMBL:BAA36159.1}
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 1-19, FUNCTION, AND
RP   GENE NAME.
RC   STRAIN=C-1012 {ECO:0000269|Ref.1};
RX   DOI=10.1016/S0922-338X(98)80132-3;
RA   Ui S., Otagiri M., Mimura A., Dohmae N., Takio K., Ohkuma M., Kudo T.;
RT   "Cloning, expression and nucleotide sequence of the L-2,3-butanediol
RT   dehydrogenase gene from Brevibacterium saccharolyticum C-1012.";
RL   J. Ferment. Bioeng. 86:290-295(1998).
RN   [2]
RP   FUNCTION, CATALYTIC ACTIVITY, SUBSTRATE SPECIFICITY, STEREOSPECIFICITY,
RP   BIOPHYSICOCHEMICAL PROPERTIES, ACTIVITY REGULATION, AND SUBUNIT.
RC   STRAIN=C-1012;
RX   PubMed=11577733; DOI=10.1271/bbb.65.1876;
RA   Takusagawa Y., Otagiri M., Ui S., Ohtsuki T., Mimura A., Ohkuma M.,
RA   Kudo T.;
RT   "Purification and characterization of L-2,3-butanediol dehydrogenase of
RT   Brevibacterium saccharolyticum C-1012 expressed in Escherichia coli.";
RL   Biosci. Biotechnol. Biochem. 65:1876-1878(2001).
RN   [3] {ECO:0000305, ECO:0000312|PDB:3A28}
RP   X-RAY CRYSTALLOGRAPHY (2.00 ANGSTROMS) IN COMPLEX WITH NAD,
RP   STEREOSELECTIVITY, AND MUTAGENESIS OF ILE-142 AND PHE-148.
RX   PubMed=19941855; DOI=10.1016/j.febslet.2009.11.068;
RA   Otagiri M., Ui S., Takusagawa Y., Ohtsuki T., Kurisu G., Kusunoki M.;
RT   "Structural basis for chiral substrate recognition by two 2,3-butanediol
RT   dehydrogenases.";
RL   FEBS Lett. 584:219-223(2010).
CC   -!- FUNCTION: Catalyzes the reversible reduction of (S)-acetoin to (S,S)-
CC       butane-2,3-diol (L-BD) in the presence of NADH. To a lesser extent, can
CC       also catalyze the irreversible reduction of diacetyl to (S)-acetoin.
CC       Cannot oxidize meso-BD, D-BD, 2-butanol, 1,2-propanediol, ethanol,
CC       acetol, 1,2-butanediol, 1,3-butanediol, n-butanol, and n-propanol.
CC       Cannot reduce (R)-acetoin, acetol, dihydroxyacetone and 2,4-
CC       pentanedione. {ECO:0000269|PubMed:11577733, ECO:0000269|Ref.1}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S,S)-butane-2,3-diol + NAD(+) = (S)-acetoin + H(+) + NADH;
CC         Xref=Rhea:RHEA:12184, ChEBI:CHEBI:15378, ChEBI:CHEBI:15687,
CC         ChEBI:CHEBI:16812, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.1.1.76;
CC         Evidence={ECO:0000269|PubMed:11577733};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-acetoin + NAD(+) = diacetyl + H(+) + NADH;
CC         Xref=Rhea:RHEA:27286, ChEBI:CHEBI:15378, ChEBI:CHEBI:15687,
CC         ChEBI:CHEBI:16583, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945;
CC         EC=1.1.1.304; Evidence={ECO:0000269|PubMed:11577733,
CC         ECO:0000269|Ref.1};
CC   -!- ACTIVITY REGULATION: Slightly activated by Ba(2+), Ca(2+), Mn(2+),
CC       Mg(2+), and Co(2+), while Hg(2+) and Cu(2+) cause marked inhibition of
CC       the activity. Ni(2+), Zn(2+) and Cd(2+) have no effect on the catalytic
CC       activity. Is also slightly inhibited by lactate, pyruvate, succinate,
CC       acetate and formate. {ECO:0000269|PubMed:11577733}.
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Kinetic parameters:
CC         KM=0.10 mM for NADH (at pH 6.0) {ECO:0000269|PubMed:11577733};
CC         KM=0.44 mM for (S)-acetoin (at pH 6.0) {ECO:0000269|PubMed:11577733};
CC         KM=0.07 mM for NAD(+) (at pH 10.5) {ECO:0000269|PubMed:11577733};
CC         KM=0.22 mM for (S,S)-butane-2,3-diol (at pH 10.5)
CC         {ECO:0000269|PubMed:11577733};
CC       pH dependence:
CC         Optimum pH is 10.5 for the oxidative reaction with L-BD and 6.0 for
CC         the reductive reaction with (S)-acetoin. Stable from pH 7.0 to 9.0.
CC         {ECO:0000269|PubMed:11577733};
CC       Temperature dependence:
CC         Stable up to 37 degrees Celsius but is rapidly inactivated over 40
CC         degrees Celsius. {ECO:0000269|PubMed:11577733};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000269|PubMed:11577733,
CC       ECO:0000269|PubMed:19941855}.
CC   -!- SIMILARITY: Belongs to the short-chain dehydrogenases/reductases (SDR)
CC       family. {ECO:0000255}.
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DR   EMBL; AB009078; BAA36159.1; -; Genomic_DNA.
DR   PDB; 3A28; X-ray; 2.00 A; A/B/C/D/E/F/G/H=1-258.
DR   PDB; 3WYE; X-ray; 1.58 A; A/B=86-120, A/B=137-163, A/B=184-238.
DR   PDBsum; 3A28; -.
DR   PDBsum; 3WYE; -.
DR   AlphaFoldDB; Q9ZNN8; -.
DR   SMR; Q9ZNN8; -.
DR   KEGG; ag:BAA36159; -.
DR   BRENDA; 1.1.1.76; 960.
DR   EvolutionaryTrace; Q9ZNN8; -.
DR   GO; GO:0047512; F:(S,S)-butanediol dehydrogenase activity; IDA:UniProtKB.
DR   GO; GO:0052588; F:diacetyl reductase ((S)-acetoin forming) activity; IEA:UniProtKB-EC.
DR   GO; GO:0070403; F:NAD+ binding; IDA:UniProtKB.
DR   GO; GO:0070404; F:NADH binding; IDA:UniProtKB.
DR   GO; GO:0045150; P:acetoin catabolic process; IEA:InterPro.
DR   GO; GO:0045149; P:acetoin metabolic process; IDA:UniProtKB.
DR   GO; GO:0034077; P:butanediol metabolic process; IDA:UniProtKB.
DR   GO; GO:0051289; P:protein homotetramerization; IDA:UniProtKB.
DR   InterPro; IPR014007; 23BDH.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR020904; Sc_DH/Rdtase_CS.
DR   InterPro; IPR002347; SDR_fam.
DR   PRINTS; PR00081; GDHRDH.
DR   PRINTS; PR00080; SDRFAMILY.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   TIGRFAMs; TIGR02415; 23BDH; 1.
DR   PROSITE; PS00061; ADH_SHORT; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Direct protein sequencing; NAD; Oxidoreductase.
FT   CHAIN           1..258
FT                   /note="L-2,3-butanediol dehydrogenase"
FT                   /id="PRO_0000418972"
FT   ACT_SITE        154
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250|UniProtKB:Q48436,
FT                   ECO:0000255|PROSITE-ProRule:PRU10001"
FT   BINDING         12..14
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   BINDING         33
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   BINDING         37
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   BINDING         61..62
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   BINDING         88
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   BINDING         154
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   BINDING         158
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   BINDING         184..189
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   MUTAGEN         142
FT                   /note="I->Q: Loss of L-BD oxidizing activity, and does not
FT                   gain the ability to use meso-BD as substrate; when
FT                   associated with N-148."
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   MUTAGEN         142
FT                   /note="I->Q: Loss of L-BD oxidizing activity. Does not gain
FT                   the ability to use meso-BD as substrate."
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   MUTAGEN         148
FT                   /note="F->N: Loss of L-BD oxidizing activity, and does not
FT                   gain the ability to use meso-BD as substrate; when
FT                   associated with Q-142."
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   MUTAGEN         148
FT                   /note="F->N: Loss of L-BD oxidizing activity. Does not gain
FT                   the ability to use meso-BD as substrate."
FT                   /evidence="ECO:0000269|PubMed:19941855"
FT   STRAND          4..8
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   TURN            9..11
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   HELIX           13..25
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   STRAND          28..33
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   HELIX           35..37
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   HELIX           38..49
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   TURN            50..52
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   STRAND          55..59
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   HELIX           65..79
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   STRAND          84..87
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   HELIX           97..99
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   HELIX           102..112
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   HELIX           114..123
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   STRAND          135..139
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   HELIX           142..144
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   HELIX           152..166
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   HELIX           173..175
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   STRAND          178..184
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   HELIX           190..203
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   HELIX           209..214
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   TURN            215..217
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   HELIX           226..237
FT                   /evidence="ECO:0007829|PDB:3WYE"
FT   HELIX           239..241
FT                   /evidence="ECO:0007829|PDB:3A28"
FT   STRAND          248..255
FT                   /evidence="ECO:0007829|PDB:3A28"
SQ   SEQUENCE   258 AA;  27108 MW;  96A81BD2AE33E55E CRC64;
     MSKVAMVTGG AQGIGRGISE KLAADGFDIA VADLPQQEEQ AAETIKLIEA ADQKAVFVGL
     DVTDKANFDS AIDEAAEKLG GFDVLVNNAG IAQIKPLLEV TEEDLKQIYS VNVFSVFFGI
     QAASRKFDEL GVKGKIINAA SIAAIQGFPI LSAYSTTKFA VRGLTQAAAQ ELAPKGHTVN
     AYAPGIVGTG MWEQIDAELS KINGKPIGEN FKEYSSSIAL GRPSVPEDVA GLVSFLASEN
     SNYVTGQVML VDGGMLYN
 
 
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