ID G2PX64_9FIRM Unreviewed; 526 AA.
AC G2PX64;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 52.
DE RecName: Full=(R)-citramalate synthase {ECO:0000256|ARBA:ARBA00022325};
DE EC=2.3.3.21 {ECO:0000256|ARBA:ARBA00034330};
GN ORFNames=Calla_1214 {ECO:0000313|EMBL:AEM73843.1};
OS Caldicellulosiruptor acetigenus 6A.
OC Bacteria; Bacillota; Clostridia; Caldicellulosiruptorales;
OC Caldicellulosiruptoraceae; Caldicellulosiruptor.
OX NCBI_TaxID=632516 {ECO:0000313|EMBL:AEM73843.1, ECO:0000313|Proteomes:UP000009257};
RN [1] {ECO:0000313|EMBL:AEM73843.1, ECO:0000313|Proteomes:UP000009257}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=6A {ECO:0000313|EMBL:AEM73843.1,
RC ECO:0000313|Proteomes:UP000009257};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Davenport K., Detter J.C., Han C., Tapia R., Land M., Hauser L.,
RA Kyrpides N., Ivanova N., Ovchinnikova G., Pagani I., Blumer-Schuette S.E.,
RA Kelly R.M., Woyke T.;
RT "Complete sequence of Caldicellulosiruptor lactoaceticus 6A.";
RL Submitted (AUG-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=acetyl-CoA + H2O + pyruvate = (3R)-citramalate + CoA + H(+);
CC Xref=Rhea:RHEA:19045, ChEBI:CHEBI:15361, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30934, ChEBI:CHEBI:57287,
CC ChEBI:CHEBI:57288; EC=2.3.3.21;
CC Evidence={ECO:0000256|ARBA:ARBA00034270};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; 2-
CC oxobutanoate from pyruvate: step 1/3. {ECO:0000256|ARBA:ARBA00004743}.
CC -!- SIMILARITY: Belongs to the alpha-IPM synthase/homocitrate synthase
CC family. {ECO:0000256|ARBA:ARBA00006154, ECO:0000256|RuleBase:RU003523}.
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DR EMBL; CP003001; AEM73843.1; -; Genomic_DNA.
DR RefSeq; WP_014042561.1; NC_015949.1.
DR AlphaFoldDB; G2PX64; -.
DR KEGG; clc:Calla_1214; -.
DR HOGENOM; CLU_022158_7_0_9; -.
DR UniPathway; UPA00047; UER00066.
DR Proteomes; UP000009257; Chromosome.
DR GO; GO:0003852; F:2-isopropylmalate synthase activity; IEA:InterPro.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-KW.
DR CDD; cd07941; DRE_TIM_LeuA3; 1.
DR Gene3D; 1.10.238.260; -; 1.
DR Gene3D; 3.30.160.270; -; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR InterPro; IPR013709; 2-isopropylmalate_synth_dimer.
DR InterPro; IPR002034; AIPM/Hcit_synth_CS.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR005675; Citramal_synthase.
DR InterPro; IPR036230; LeuA_allosteric_dom_sf.
DR InterPro; IPR000891; PYR_CT.
DR NCBIfam; TIGR00977; citramal_synth; 1.
DR PANTHER; PTHR43538:SF1; (R)-CITRAMALATE SYNTHASE; 1.
DR PANTHER; PTHR43538; ALPHA-IPM SYNTHASE/HOMOCITRATE SYNTHASE; 1.
DR Pfam; PF00682; HMGL-like; 1.
DR Pfam; PF08502; LeuA_dimer; 1.
DR SMART; SM00917; LeuA_dimer; 1.
DR SUPFAM; SSF110921; 2-isopropylmalate synthase LeuA, allosteric (dimerisation) domain; 1.
DR SUPFAM; SSF51569; Aldolase; 1.
DR PROSITE; PS00815; AIPM_HOMOCIT_SYNTH_1; 1.
DR PROSITE; PS00816; AIPM_HOMOCIT_SYNTH_2; 1.
DR PROSITE; PS50991; PYR_CT; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00023304};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304};
KW Isoleucine biosynthesis {ECO:0000256|ARBA:ARBA00022624};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003523}.
FT DOMAIN 7..273
FT /note="Pyruvate carboxyltransferase"
FT /evidence="ECO:0000259|PROSITE:PS50991"
SQ SEQUENCE 526 AA; 58275 MW; 17E2F32F966DDE25 CRC64;
MENNKTIIIY DSTLRDGAQA GGISYTLEDK LKIVERLDKF GVKFIEAGNP GSNIKDQEFF
ARVKKMRLKN AKLIAFGSTR RVGIDVKDDP NIQSLIAADT EAVAIFGKSW DFHVKEVLKT
TEDENLQMIY DTIKYLKSLG KYVVFDAEHF FDGYKNNKKY ALETLKVAKE AGADSLDLCD
TNGGTFPMDI YNITKEVVEM FPGTLIGIHC HNDTGMAVAN SIMAVLAGAR QVQGTINGYG
ERCGNADLIT LIPNLQLKLG FKCVPDENIK HLTSLSRYVA EIANMIPNER APYVGAYAFT
HKAGMHIDAV KKNPASFEHI NPEVVGNARR IVLSEVAGRA TILDKIREID PTVTKDSPVT
KEIIDELKRL ENEGYQFESA EASFEMLIRK KLGLYQPFFT LKEFKVLINE PAVEYSSSAI
VKIAVDGVTA ITAAEGDGPV HALDNALRKA LEKFYPELKE VHLVDYKVRV LNAETATAAK
VRVLIESTDG KDTWTTVGVS TDIVNASWIA LVDSLEYKLC KEKVGK
//
