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LEUC_SACS2
ID   LEUC_SACS2              Reviewed;         416 AA.
AC   Q97VY2;
DT   26-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2001, sequence version 1.
DT   03-AUG-2022, entry version 120.
DE   RecName: Full=3-isopropylmalate dehydratase large subunit {ECO:0000255|HAMAP-Rule:MF_01027};
DE            EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01027};
DE   AltName: Full=Alpha-IPM isomerase {ECO:0000255|HAMAP-Rule:MF_01027};
DE            Short=IPMI {ECO:0000255|HAMAP-Rule:MF_01027};
DE   AltName: Full=Isopropylmalate isomerase {ECO:0000255|HAMAP-Rule:MF_01027};
GN   Name=leuC {ECO:0000255|HAMAP-Rule:MF_01027}; OrderedLocusNames=SSO2471;
OS   Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
OS   (Sulfolobus solfataricus).
OC   Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC   Saccharolobus.
OX   NCBI_TaxID=273057;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX   PubMed=11427726; DOI=10.1073/pnas.141222098;
RA   She Q., Singh R.K., Confalonieri F., Zivanovic Y., Allard G., Awayez M.J.,
RA   Chan-Weiher C.C.-Y., Clausen I.G., Curtis B.A., De Moors A., Erauso G.,
RA   Fletcher C., Gordon P.M.K., Heikamp-de Jong I., Jeffries A.C., Kozera C.J.,
RA   Medina N., Peng X., Thi-Ngoc H.P., Redder P., Schenk M.E., Theriault C.,
RA   Tolstrup N., Charlebois R.L., Doolittle W.F., Duguet M., Gaasterland T.,
RA   Garrett R.A., Ragan M.A., Sensen C.W., Van der Oost J.;
RT   "The complete genome of the crenarchaeon Sulfolobus solfataricus P2.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:7835-7840(2001).
CC   -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC       isopropylmalate, via the formation of 2-isopropylmaleate.
CC       {ECO:0000255|HAMAP-Rule:MF_01027}.
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:0000255|HAMAP-Rule:MF_01027};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01027};
CC       Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01027};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC       from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000255|HAMAP-
CC       Rule:MF_01027}.
CC   -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000255|HAMAP-
CC       Rule:MF_01027}.
CC   -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family. LeuC type 2
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01027}.
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DR   EMBL; AE006641; AAK42608.1; -; Genomic_DNA.
DR   PIR; A99419; A99419.
DR   AlphaFoldDB; Q97VY2; -.
DR   SMR; Q97VY2; -.
DR   STRING; 273057.SSO2471; -.
DR   EnsemblBacteria; AAK42608; AAK42608; SSO2471.
DR   KEGG; sso:SSO2471; -.
DR   PATRIC; fig|273057.12.peg.2548; -.
DR   eggNOG; arCOG01698; Archaea.
DR   HOGENOM; CLU_006714_3_4_2; -.
DR   InParanoid; Q97VY2; -.
DR   OMA; CNMSIEM; -.
DR   PhylomeDB; Q97VY2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000001974; Chromosome.
DR   GO; GO:0003861; F:3-isopropylmalate dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01583; IPMI; 1.
DR   Gene3D; 3.30.499.10; -; 2.
DR   HAMAP; MF_01027; LeuC_type2; 1.
DR   InterPro; IPR015931; Acnase/IPM_dHydase_lsu_aba_1/3.
DR   InterPro; IPR001030; Acoase/IPM_deHydtase_lsu_aba.
DR   InterPro; IPR018136; Aconitase_4Fe-4S_BS.
DR   InterPro; IPR036008; Aconitase_4Fe-4S_dom.
DR   InterPro; IPR011826; HAcnase/IPMdehydase_lsu_prok.
DR   InterPro; IPR006251; Homoacnase/IPMdehydase_lsu.
DR   InterPro; IPR033941; IPMI_cat.
DR   Pfam; PF00330; Aconitase; 1.
DR   PRINTS; PR00415; ACONITASE.
DR   SUPFAM; SSF53732; SSF53732; 1.
DR   TIGRFAMs; TIGR01343; hacA_fam; 1.
DR   TIGRFAMs; TIGR02086; IPMI_arch; 1.
DR   PROSITE; PS01244; ACONITASE_2; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW   Iron; Iron-sulfur; Leucine biosynthesis; Lyase; Metal-binding;
KW   Reference proteome.
FT   CHAIN           1..416
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_0000076885"
FT   BINDING         299
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         357
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         360
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
SQ   SEQUENCE   416 AA;  45253 MW;  5A342E12C6B88796 CRC64;
     MMSAKTLTEK ILSRASGKDV SPGDVIEAKV DLVAFHDLTG YHVIEVMEKA NMIKVFDKSK
     LVIAFDHLAP PPDVRSAEIQ GYIRKFVKSE GIPNFYDINY GILHEVMIEQ YANPGQVILA
     ADSHTTTSGA VGAFAQGMGA SDIAAALITG KTWLVVPQPF KVVLEGKPAK WITGKDVALK
     LLGDFKADYF NGMTLEIFVK DPLSFPMDYR ATVSNMGIEM NADALMFIPD QETKRYIKEM
     RGYEPELVTP DNGAKYVDEY TIQLDEMEPL VAAPHSVDNV KVVNELEGTP VDQVYIGSCT
     NGRLSDFEIA AKIMKGKKVK SRCIAIPASY RMFKEALERG YIQTLVDAGC IVTYGTCGPC
     LGGHFGIAGP GENIVSTSSR NFKGRMGSNE AKVYLSGPAV AAISALEGKI TDPRVI
 
 
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