ID D3DH48_HYDTT Unreviewed; 167 AA.
AC D3DH48;
DT 23-MAR-2010, integrated into UniProtKB/TrEMBL.
DT 23-MAR-2010, sequence version 1.
DT 27-MAR-2024, entry version 80.
DE RecName: Full=3-isopropylmalate dehydratase small subunit {ECO:0000256|HAMAP-Rule:MF_01032};
DE EC=4.2.1.33 {ECO:0000256|HAMAP-Rule:MF_01032};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000256|HAMAP-Rule:MF_01032};
DE Short=IPMI {ECO:0000256|HAMAP-Rule:MF_01032};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000256|HAMAP-Rule:MF_01032};
GN Name=leuD {ECO:0000256|HAMAP-Rule:MF_01032,
GN ECO:0000313|EMBL:BAI69150.1};
GN OrderedLocusNames=HTH_0690 {ECO:0000313|EMBL:BAI69150.1};
OS Hydrogenobacter thermophilus (strain DSM 6534 / IAM 12695 / TK-6).
OC Bacteria; Aquificota; Aquificae; Aquificales; Aquificaceae;
OC Hydrogenobacter.
OX NCBI_TaxID=608538 {ECO:0000313|EMBL:BAI69150.1, ECO:0000313|Proteomes:UP000002574};
RN [1] {ECO:0000313|EMBL:BAI69150.1, ECO:0000313|Proteomes:UP000002574}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 6534 / IAM 12695 / TK-6 [Tokyo]
RC {ECO:0000313|Proteomes:UP000002574};
RX PubMed=20348262; DOI=10.1128/JB.00158-10;
RA Arai H., Kanbe H., Ishii M., Igarashi Y.;
RT "Complete genome sequence of the thermophilic, obligately
RT chemolithoautotrophic hydrogen-oxidizing bacterium Hydrogenobacter
RT thermophilus TK-6.";
RL J. Bacteriol. 192:2651-2652(2010).
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000256|HAMAP-Rule:MF_01032}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2R,3S)-3-isopropylmalate = (2S)-2-isopropylmalate;
CC Xref=Rhea:RHEA:32287, ChEBI:CHEBI:1178, ChEBI:CHEBI:35121;
CC EC=4.2.1.33; Evidence={ECO:0000256|HAMAP-Rule:MF_01032};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000256|HAMAP-
CC Rule:MF_01032}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000256|HAMAP-
CC Rule:MF_01032}.
CC -!- SIMILARITY: Belongs to the LeuD family. LeuD type 2 subfamily.
CC {ECO:0000256|ARBA:ARBA00009869, ECO:0000256|HAMAP-Rule:MF_01032}.
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DR EMBL; AP011112; BAI69150.1; -; Genomic_DNA.
DR RefSeq; WP_012963332.1; NC_017161.1.
DR AlphaFoldDB; D3DH48; -.
DR STRING; 608538.HTH_0690; -.
DR KEGG; hth:HTH_0690; -.
DR PATRIC; fig|608538.5.peg.698; -.
DR eggNOG; COG0066; Bacteria.
DR OrthoDB; 9777465at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000002574; Chromosome.
DR GO; GO:0003861; F:3-isopropylmalate dehydratase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd01577; IPMI_Swivel; 1.
DR Gene3D; 3.20.19.10; Aconitase, domain 4; 1.
DR HAMAP; MF_01032; LeuD_type2; 1.
DR InterPro; IPR015928; Aconitase/3IPM_dehydase_swvl.
DR InterPro; IPR000573; AconitaseA/IPMdHydase_ssu_swvl.
DR InterPro; IPR033940; IPMI_Swivel.
DR InterPro; IPR011824; LeuD/DmdB_bac.
DR InterPro; IPR011827; LeuD_type2/HacB/DmdB.
DR NCBIfam; TIGR02084; leud; 1.
DR NCBIfam; TIGR02087; LEUD_arch; 1.
DR PANTHER; PTHR43345:SF2; 3-ISOPROPYLMALATE DEHYDRATASE SMALL SUBUNIT 1-RELATED; 1.
DR PANTHER; PTHR43345; 3-ISOPROPYLMALATE DEHYDRATASE SMALL SUBUNIT 2-RELATED-RELATED; 1.
DR Pfam; PF00694; Aconitase_C; 1.
DR SUPFAM; SSF52016; LeuD/IlvD-like; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01032};
KW Branched-chain amino acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01032};
KW Leucine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01032};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01032};
KW Reference proteome {ECO:0000313|Proteomes:UP000002574}.
FT DOMAIN 42..101
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
SQ SEQUENCE 167 AA; 18448 MW; B1937F1AA800AC7D CRC64;
MVIRGKVWKF GDNVDTDQII PARYLNTSDP YELAQHVMED SEHTNFAKDH QKGDIIVAGK
NFGSGSSREH APIAIKYAGV PVVIAKSFAR IFFRNAINIG LPIVEAPQAV DEINHGDEVE
VDLEKGIIKN ITTGKEYQAT RFPQELQAIL KAGGLMEYAK QKLKGNA
//
