ID K8A226_9ENTR Unreviewed; 201 AA.
AC K8A226;
DT 06-FEB-2013, integrated into UniProtKB/TrEMBL.
DT 06-FEB-2013, sequence version 1.
DT 24-JAN-2024, entry version 47.
DE RecName: Full=3-isopropylmalate dehydratase small subunit {ECO:0000256|HAMAP-Rule:MF_01031};
DE EC=4.2.1.33 {ECO:0000256|HAMAP-Rule:MF_01031};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000256|HAMAP-Rule:MF_01031};
DE Short=IPMI {ECO:0000256|HAMAP-Rule:MF_01031};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000256|HAMAP-Rule:MF_01031};
GN Name=leuD {ECO:0000256|HAMAP-Rule:MF_01031};
GN ORFNames=BN137_3082 {ECO:0000313|EMBL:CCJ73703.1};
OS Cronobacter condimenti 1330.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Cronobacter.
OX NCBI_TaxID=1073999 {ECO:0000313|EMBL:CCJ73703.1, ECO:0000313|Proteomes:UP000009340};
RN [1] {ECO:0000313|EMBL:CCJ73703.1, ECO:0000313|Proteomes:UP000009340}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=1330 {ECO:0000313|EMBL:CCJ73703.1,
RC ECO:0000313|Proteomes:UP000009340};
RX PubMed=23166675; DOI=10.1371/journal.pone.0049455;
RA Joseph S., Desai P., Ji Y., Cummings C.A., Shih R., Degoricija L., Rico A.,
RA Brzoska P., Hamby S.E., Masood N., Hariri S., Sonbol H., Chuzhanova N.,
RA McClelland M., Furtado M.R., Forsythe S.J.;
RT "Comparative analysis of genome sequences covering the seven cronobacter
RT species.";
RL PLoS ONE 7:e49455-e49455(2012).
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000256|ARBA:ARBA00002695, ECO:0000256|HAMAP-Rule:MF_01031}.
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|ARBA:ARBA00000491,
CC ECO:0000256|HAMAP-Rule:MF_01031};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000256|ARBA:ARBA00004729,
CC ECO:0000256|HAMAP-Rule:MF_01031}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000256|ARBA:ARBA00011271,
CC ECO:0000256|HAMAP-Rule:MF_01031}.
CC -!- SIMILARITY: Belongs to the LeuD family. LeuD type 1 subfamily.
CC {ECO:0000256|ARBA:ARBA00009845, ECO:0000256|HAMAP-Rule:MF_01031}.
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:CCJ73703.1}.
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DR EMBL; CAKW01000109; CCJ73703.1; -; Genomic_DNA.
DR RefSeq; WP_007677111.1; NZ_CP012264.1.
DR AlphaFoldDB; K8A226; -.
DR STRING; 1073999.AFK62_03580; -.
DR KEGG; ccon:AFK62_03580; -.
DR PATRIC; fig|1073999.7.peg.725; -.
DR eggNOG; COG0066; Bacteria.
DR OrthoDB; 9777465at2; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000009340; Unassembled WGS sequence.
DR GO; GO:0009316; C:3-isopropylmalate dehydratase complex; IEA:InterPro.
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_01031; LeuD_type1; 1.
DR InterPro; IPR004431; 3-IsopropMal_deHydase_ssu.
DR InterPro; IPR015928; Aconitase/3IPM_dehydase_swvl.
DR InterPro; IPR000573; AconitaseA/IPMdHydase_ssu_swvl.
DR InterPro; IPR033940; IPMI_Swivel.
DR NCBIfam; TIGR00171; leuD; 1.
DR PANTHER; PTHR43345:SF5; 3-ISOPROPYLMALATE DEHYDRATASE SMALL SUBUNIT; 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|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01031};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|HAMAP-Rule:MF_01031};
KW Leucine biosynthesis {ECO:0000256|ARBA:ARBA00022430, ECO:0000256|HAMAP-
KW Rule:MF_01031};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01031}.
FT DOMAIN 3..126
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
SQ SEQUENCE 201 AA; 22393 MW; 44B346F679099DEE CRC64;
MAEKFTQHTG LVVPLDAANV DTDAIIPKQF LQKVTRTGFG AHLFNDWRFL DDKGQVPNPE
FVLNFPQYQG ASILLARENF GCGSSREHAP WALTDYGFKV VIAPSFADIF YGNSFNNQLL
PVKLSDEEVD ELFALVKANP GIRFEVDLQA QEVKAGDKSY SFSIDAFRRH CMLNGLDSIG
LTLQHDDAIA AYEKNQPAFM G
//