ID L9XZ02_NATGS Unreviewed; 595 AA.
AC L9XZ02;
DT 03-APR-2013, integrated into UniProtKB/TrEMBL.
DT 03-APR-2013, sequence version 1.
DT 27-MAR-2024, entry version 67.
DE RecName: Full=Acetolactate synthase {ECO:0000256|ARBA:ARBA00013145, ECO:0000256|RuleBase:RU003591};
DE EC=2.2.1.6 {ECO:0000256|ARBA:ARBA00013145, ECO:0000256|RuleBase:RU003591};
GN Name=ilvB {ECO:0000313|EMBL:PLK21273.1};
GN OrderedLocusNames=Natgr_0079 {ECO:0000313|EMBL:AFZ71347.1};
GN ORFNames=C490_11541 {ECO:0000313|EMBL:ELY67049.1}, CYV19_05515
GN {ECO:0000313|EMBL:PLK21273.1};
OS Natronobacterium gregoryi (strain ATCC 43098 / DSM 3393 / CCM 3738 / CIP
OS 104747 / IAM 13177 / JCM 8860 / NBRC 102187 / NCIMB 2189 / SP2).
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Natrialbales;
OC Natrialbaceae; Natronobacterium.
OX NCBI_TaxID=797304 {ECO:0000313|EMBL:ELY67049.1, ECO:0000313|Proteomes:UP000011613};
RN [1] {ECO:0000313|EMBL:AFZ71347.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=SP2 {ECO:0000313|EMBL:AFZ71347.1};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Mikhailova N., Teshima H., Detter J.C., Han C., Tapia R.,
RA Land M., Hauser L., Kyrpides N., Ivanova N., Pagani I., Sproer C.,
RA Anderson I., Woyke T.;
RT "Complete sequence of Natronobacterium gregoryi SP2.";
RL Submitted (MAR-2012) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Proteomes:UP000010468}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43098 / CCM 3738 / NCIMB 2189 / SP2
RC {ECO:0000313|Proteomes:UP000010468};
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Mikhailova N., Teshima H., Detter J.C., Han C., Tapia R.,
RA Land M., Hauser L., Kyrpides N., Ivanova N., Pagani I., Sproer C.,
RA Anderson I., Woyke T.;
RT "Complete sequence of Natronobacterium gregoryi SP2.";
RL Submitted (MAR-2012) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|EMBL:ELY67049.1, ECO:0000313|Proteomes:UP000011613}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SP2 {ECO:0000313|EMBL:ELY67049.1,
RC ECO:0000313|Proteomes:UP000011613};
RX PubMed=25393412; DOI=10.1371/journal.pgen.1004784;
RA Becker E.A., Seitzer P.M., Tritt A., Larsen D., Krusor M., Yao A.I., Wu D.,
RA Madern D., Eisen J.A., Darling A.E., Facciotti M.T.;
RT "Phylogenetically driven sequencing of extremely halophilic archaea reveals
RT strategies for static and dynamic osmo-response.";
RL PLoS Genet. 10:E1004784-E1004784(2014).
RN [4] {ECO:0000313|EMBL:PLK21273.1, ECO:0000313|Proteomes:UP000234484}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SP2 {ECO:0000313|EMBL:PLK21273.1,
RC ECO:0000313|Proteomes:UP000234484};
RC TISSUE=Freeze-dried powder thallus {ECO:0000313|EMBL:PLK21273.1};
RA Jiang L., He B., Kang J., Yu M., Li N., Fang Y., Tang Z., Wu P., Yao P.,
RA Huang J.;
RT "The characterization of oligonucleotides binding to NgAgo.";
RL Submitted (DEC-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + 2 pyruvate = (2S)-2-acetolactate + CO2;
CC Xref=Rhea:RHEA:25249, ChEBI:CHEBI:15361, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16526, ChEBI:CHEBI:58476; EC=2.2.1.6;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|RuleBase:RU003591};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC Note=Binds 1 thiamine pyrophosphate per subunit.
CC {ECO:0000256|RuleBase:RU003591};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC isoleucine from 2-oxobutanoate: step 1/4.
CC {ECO:0000256|ARBA:ARBA00004974, ECO:0000256|RuleBase:RU003591}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC pyruvate: step 1/4. {ECO:0000256|ARBA:ARBA00005025,
CC ECO:0000256|RuleBase:RU003591}.
CC -!- SIMILARITY: Belongs to the TPP enzyme family.
CC {ECO:0000256|ARBA:ARBA00007812, ECO:0000256|RuleBase:RU003591}.
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DR EMBL; CP003377; AFZ71347.1; -; Genomic_DNA.
DR EMBL; AOIC01000084; ELY67049.1; -; Genomic_DNA.
DR EMBL; PKKI01000010; PLK21273.1; -; Genomic_DNA.
DR RefSeq; WP_005579857.1; NZ_PKKI01000010.1.
DR AlphaFoldDB; L9XZ02; -.
DR STRING; 797304.Natgr_0079; -.
DR GeneID; 14207243; -.
DR KEGG; nge:Natgr_0079; -.
DR PATRIC; fig|797304.7.peg.2340; -.
DR eggNOG; arCOG01998; Archaea.
DR HOGENOM; CLU_013748_1_2_2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000010468; Chromosome.
DR Proteomes; UP000011613; Unassembled WGS sequence.
DR Proteomes; UP000234484; Unassembled WGS sequence.
DR GO; GO:0003984; F:acetolactate synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0030976; F:thiamine pyrophosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0044272; P:sulfur compound biosynthetic process; IEA:UniProt.
DR GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd02015; TPP_AHAS; 1.
DR CDD; cd07035; TPP_PYR_POX_like; 1.
DR Gene3D; 3.40.50.970; -; 2.
DR Gene3D; 3.40.50.1220; TPP-binding domain; 1.
DR InterPro; IPR012846; Acetolactate_synth_lsu.
DR InterPro; IPR039368; AHAS_TPP.
DR InterPro; IPR029035; DHS-like_NAD/FAD-binding_dom.
DR InterPro; IPR029061; THDP-binding.
DR InterPro; IPR012000; Thiamin_PyroP_enz_cen_dom.
DR InterPro; IPR012001; Thiamin_PyroP_enz_TPP-bd_dom.
DR InterPro; IPR045229; TPP_enz.
DR InterPro; IPR011766; TPP_enzyme_TPP-bd.
DR NCBIfam; TIGR00118; acolac_lg; 1.
DR PANTHER; PTHR18968:SF13; ACETOLACTATE SYNTHASE CATALYTIC SUBUNIT, MITOCHONDRIAL; 1.
DR PANTHER; PTHR18968; THIAMINE PYROPHOSPHATE ENZYMES; 1.
DR Pfam; PF02775; TPP_enzyme_C; 1.
DR Pfam; PF00205; TPP_enzyme_M; 1.
DR Pfam; PF02776; TPP_enzyme_N; 1.
DR SUPFAM; SSF52467; DHS-like NAD/FAD-binding domain; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 2.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|RuleBase:RU003591};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|RuleBase:RU003591}; Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Reference proteome {ECO:0000313|Proteomes:UP000010468};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 37..150
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 225..360
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 418..567
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
FT REGION 1..35
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 181..218
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..19
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 195..218
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 595 AA; 63255 MW; 7E8684E987E06122 CRC64;
MSERAAKITP PDEQHDEQPN PDTAAAADDD QSTPVTTGAE AVVRALENAG VEYAFGVQGG
AIMPVYDALY DSDIRHVTMA HEQGAAHAAD AYGIVSGDPG VCLATSGPGA TNLVTGLADA
DMDSDPLVAL TGQVPTAFVG NDAFQETDTT GVTTPITKDN TFASDPGTVG DDVGEAFALA
GEGRPGPTLV DLPKDVTKAE TKTAPGEPET PETDEYQDRA DPEIVEAAAE WIENASRPVM
LLGGGVIKAE ASETCREFAV EREIPVVTTM PALGSFPEDH GLSLEMAGMH GTGYANLAIS
NCDTLIAVGT RFDDRLTGGI ETFAPDAEVV HVDIDPAEIS KNIYADYPLI GDADTVVSQL
ADAVDSSPEA TKWRAQCQQW KSDYSMAYNA PDDEPVQPEF VVEALDEATS DRAIVTTGVG
QHQMWACQYW TFTEPRTWVS SHGLGTMGYG LPAAIGARLA ADDDQEVVCV DGDGSFLMTM
QGLSVAVREN LDITVAVLNN EYIGMVRQWQ DAFFEGRHAA SDYDWMPEFD KLAEAFGAEG
YRIDDYDEVA DTIADAVAYD GPSVIDVHID PEANVYPMVP SGGDNAQFAL TEEQL
//
