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Database: UniProt
Entry: V5FMY4_9VIBR
LinkDB: V5FMY4_9VIBR
Original site: V5FMY4_9VIBR 
ID   V5FMY4_9VIBR            Unreviewed;       613 AA.
AC   V5FMY4;
DT   22-JAN-2014, integrated into UniProtKB/TrEMBL.
DT   22-JAN-2014, sequence version 1.
DT   24-JAN-2024, entry version 43.
DE   RecName: Full=Dihydroxy-acid dehydratase {ECO:0000256|ARBA:ARBA00029490, ECO:0000256|HAMAP-Rule:MF_00012};
DE            Short=DAD {ECO:0000256|HAMAP-Rule:MF_00012};
DE            EC=4.2.1.9 {ECO:0000256|ARBA:ARBA00029490, ECO:0000256|HAMAP-Rule:MF_00012};
GN   Name=ilvD {ECO:0000256|HAMAP-Rule:MF_00012,
GN   ECO:0000313|EMBL:GAD90956.1};
GN   ORFNames=VHA01S_061_00250 {ECO:0000313|EMBL:GAD90956.1};
OS   Vibrio halioticoli NBRC 102217.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=1219072 {ECO:0000313|EMBL:GAD90956.1, ECO:0000313|Proteomes:UP000017800};
RN   [1] {ECO:0000313|EMBL:GAD90956.1, ECO:0000313|Proteomes:UP000017800}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBRC 102217 {ECO:0000313|EMBL:GAD90956.1,
RC   ECO:0000313|Proteomes:UP000017800};
RA   Ichikawa N., Kimura A., Ohji S., Hosoyama A., Fujita N.;
RL   Submitted (OCT-2013) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:GAD90956.1, ECO:0000313|Proteomes:UP000017800}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBRC 102217 {ECO:0000313|EMBL:GAD90956.1,
RC   ECO:0000313|Proteomes:UP000017800};
RA   Isaki S., Kimura A., Ohji S., Hosoyama A., Fujita N., Hashimoto M.,
RA   Hosoyama Y., Yamazoe A.;
RT   "Whole genome shotgun sequence of Vibrio halioticoli NBRC 102217.";
RL   Submitted (NOV-2013) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Functions in the biosynthesis of branched-chain amino acids.
CC       Catalyzes the dehydration of (2R,3R)-2,3-dihydroxy-3-methylpentanoate
CC       (2,3-dihydroxy-3-methylvalerate) into 2-oxo-3-methylpentanoate (2-oxo-
CC       3-methylvalerate) and of (2R)-2,3-dihydroxy-3-methylbutanoate (2,3-
CC       dihydroxyisovalerate) into 2-oxo-3-methylbutanoate (2-oxoisovalerate),
CC       the penultimate precursor to L-isoleucine and L-valine, respectively.
CC       {ECO:0000256|HAMAP-Rule:MF_00012}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2R)-2,3-dihydroxy-3-methylbutanoate = 3-methyl-2-oxobutanoate
CC         + H2O; Xref=Rhea:RHEA:24809, ChEBI:CHEBI:11851, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:49072; EC=4.2.1.9;
CC         Evidence={ECO:0000256|ARBA:ARBA00029304};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:24810;
CC         Evidence={ECO:0000256|ARBA:ARBA00029304};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2R,3R)-2,3-dihydroxy-3-methylpentanoate = (S)-3-methyl-2-
CC         oxopentanoate + H2O; Xref=Rhea:RHEA:27694, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:35146, ChEBI:CHEBI:49258; EC=4.2.1.9;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00012};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|ARBA:ARBA00001946,
CC         ECO:0000256|HAMAP-Rule:MF_00012};
CC   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00012};
CC       Note=Binds 1 [2Fe-2S] cluster per subunit. This cluster acts as a Lewis
CC       acid cofactor. {ECO:0000256|HAMAP-Rule:MF_00012};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC       isoleucine from 2-oxobutanoate: step 3/4.
CC       {ECO:0000256|ARBA:ARBA00029437, ECO:0000256|HAMAP-Rule:MF_00012}.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC       pyruvate: step 3/4. {ECO:0000256|ARBA:ARBA00029436, ECO:0000256|HAMAP-
CC       Rule:MF_00012}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00012}.
CC   -!- SIMILARITY: Belongs to the IlvD/Edd family.
CC       {ECO:0000256|ARBA:ARBA00006486, ECO:0000256|HAMAP-Rule:MF_00012}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00012}.
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:GAD90956.1}.
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DR   EMBL; BAUJ01000061; GAD90956.1; -; Genomic_DNA.
DR   RefSeq; WP_023405260.1; NZ_BAUJ01000061.1.
DR   AlphaFoldDB; V5FMY4; -.
DR   eggNOG; COG0129; Bacteria.
DR   OrthoDB; 9807077at2; -.
DR   UniPathway; UPA00047; UER00057.
DR   UniPathway; UPA00049; UER00061.
DR   Proteomes; UP000017800; Unassembled WGS sequence.
DR   GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004160; F:dihydroxy-acid dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.50.30.80; IlvD/EDD C-terminal domain-like; 1.
DR   HAMAP; MF_00012; IlvD; 1.
DR   InterPro; IPR042096; Dihydro-acid_dehy_C.
DR   InterPro; IPR004404; DihydroxyA_deHydtase.
DR   InterPro; IPR000581; DiOHA_6PGluconate_deHydtase.
DR   InterPro; IPR020558; DiOHA_6PGluconate_deHydtase_CS.
DR   InterPro; IPR037237; IlvD/EDD_N.
DR   NCBIfam; TIGR00110; ilvD; 1.
DR   PANTHER; PTHR43661; D-XYLONATE DEHYDRATASE; 1.
DR   PANTHER; PTHR43661:SF3; D-XYLONATE DEHYDRATASE YAGF-RELATED; 1.
DR   Pfam; PF00920; ILVD_EDD; 1.
DR   SUPFAM; SSF143975; IlvD/EDD N-terminal domain-like; 1.
DR   SUPFAM; SSF52016; LeuD/IlvD-like; 1.
DR   PROSITE; PS00886; ILVD_EDD_1; 1.
DR   PROSITE; PS00887; ILVD_EDD_2; 1.
PE   3: Inferred from homology;
KW   2Fe-2S {ECO:0000256|ARBA:ARBA00022714, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW   Rule:MF_00012};
KW   Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW   ECO:0000256|HAMAP-Rule:MF_00012};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW   Rule:MF_00012};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00012};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_00012}.
FT   ACT_SITE        517
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         81
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         123
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         124
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   BINDING         491
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
FT   MOD_RES         124
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00012"
SQ   SEQUENCE   613 AA;  65656 MW;  944D86D971606AA4 CRC64;
     MPIYRSATTT HGRNMAGARA LWRATGVKDE DFGKPIIAVV NSFTQFVPGH VHLKDMGQLV
     AGEIEKAGGI AKEFNTIAVD DGIAMGHGGM LYSLPSRELI ADSVEYMVNA HCADAMVCIS
     NCDKITPGML MASMRLNIPV IFVSGGPMEA GKTKLSDQLI KLDLVDAMMQ SADPTVSDEQ
     SEQVERSACP TCGSCSGMFT ANSMNCLTEA LGLSQPGNGS MLATHADREA LFINAGKRIV
     ELTKRYYEQD DESALPRNIA TKKAFENAIA LDIAMGGSTN TVLHLIAAAQ EGDVDFTMQD
     IDEMSRRVPN LCKVAPSTPK YHMEDVHRAG GVMAILGELN RAGLLNNQSR TVLGLSMEEQ
     LAHYDVMQTE SQEVKDFFRA GPAGIRTTKA FSQDCRWETL DDDRKEGCIR SKENAYSQDG
     GLAVLKGNIA LDGCIVKTAG VDESILKFTG PAVVFESQED AVDGILGGKV KSGDVVIIRY
     EGPKGGPGMQ EMLYPTTYLK SMGLGKECAL LTDGRFSGGT AGLSIGHASP EAAAGGIIGL
     VNSGDQIAID IPNRTIELQV SEAELAERRA KQDQLGWKPV SRERAVSFAL KAYASMATSA
     DKGAVRDKSK FEE
//
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