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LEUC_AQUAE
ID   LEUC_AQUAE              Reviewed;         432 AA.
AC   O67078;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   03-AUG-2022, entry version 130.
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=aq_940;
OS   Aquifex aeolicus (strain VF5).
OC   Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX   NCBI_TaxID=224324;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=VF5;
RX   PubMed=9537320; DOI=10.1038/32831;
RA   Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA   Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA   Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT   "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL   Nature 392:353-358(1998).
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; AE000657; AAC07028.1; -; Genomic_DNA.
DR   PIR; C70381; C70381.
DR   RefSeq; NP_213641.1; NC_000918.1.
DR   RefSeq; WP_010880579.1; NC_000918.1.
DR   AlphaFoldDB; O67078; -.
DR   SMR; O67078; -.
DR   STRING; 224324.aq_940; -.
DR   EnsemblBacteria; AAC07028; AAC07028; aq_940.
DR   KEGG; aae:aq_940; -.
DR   PATRIC; fig|224324.8.peg.735; -.
DR   eggNOG; COG0065; Bacteria.
DR   HOGENOM; CLU_006714_3_4_0; -.
DR   InParanoid; O67078; -.
DR   OMA; GIEHCLL; -.
DR   OrthoDB; 749418at2; -.
DR   UniPathway; UPA00048; UER00071.
DR   Proteomes; UP000000798; 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   InterPro; IPR011823; IsopropMal_deHydtase_lsu_bac.
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   TIGRFAMs; TIGR02083; LEU2; 1.
DR   PROSITE; PS00450; ACONITASE_1; 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..432
FT                   /note="3-isopropylmalate dehydratase large subunit"
FT                   /id="PRO_0000076854"
FT   BINDING         299
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         364
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
FT   BINDING         367
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01027"
SQ   SEQUENCE   432 AA;  47088 MW;  B97BB38BF3323844 CRC64;
     MGMTITEKIL AEHAGKKEVH PGELITAKID LAMANDVTAP LAIKILEKYG IDKVFDPERI
     ALVLSHFVPA KDIKSAEQAK IVREFVKKHG IKWFFEEGEG IEHAILPEQG LVVPGDLVVG
     ADSHTCTYGA LGAFATGVGS TDIAYAMATG EVWLRVPESM KFIFYGKLKP WVMGKDLILY
     TIGQIGVDGA LYRAMEFDGE TIRNLSMEQR FTIANMAIEA GGKSGIISPD EKTIEYVKQR
     AKRPWKVYQS DPDAEYHSVY EWDASQIEPL VAWPYLPSNV HPVSESTHIT IDQAFIGSCT
     NGRIEDLRVA AKVFEAALKQ GKKVHPYVRC IVIPASKAIY KQALKEGLID IFMEAGCVVS
     TSTCGPCLGG HMGVLAEGER CISTSNRNFP GRMGHPKSES YLANPAVVAA SAIMGRIAHP
     DEVVKAETLA GV
 
 
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