ID I4VQU9_9GAMM Unreviewed; 621 AA.
AC I4VQU9;
DT 05-SEP-2012, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2012, sequence version 1.
DT 27-MAR-2024, entry version 47.
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 ORFNames=UU9_08822 {ECO:0000313|EMBL:EIL89590.1};
OS Rhodanobacter fulvus Jip2.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Xanthomonadales;
OC Rhodanobacteraceae; Rhodanobacter.
OX NCBI_TaxID=1163408 {ECO:0000313|EMBL:EIL89590.1, ECO:0000313|Proteomes:UP000004210};
RN [1] {ECO:0000313|EMBL:EIL89590.1, ECO:0000313|Proteomes:UP000004210}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Jip2T {ECO:0000313|Proteomes:UP000004210};
RX PubMed=22843592; DOI=10.1128/JB.00871-12;
RA Kostka J.E., Green S.J., Rishishwar L., Prakash O., Katz L.S.,
RA Marino-Ramirez L., Jordan I.K., Munk C., Ivanova N., Mikhailova N.,
RA Watson D.B., Brown S.D., Palumbo A.V., Brooks S.C.;
RT "Genome sequences for six rhodanobacter strains, isolated from soils and
RT the terrestrial subsurface, with variable denitrification capabilities.";
RL J. Bacteriol. 194:4461-4462(2012).
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}.
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:EIL89590.1}.
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DR EMBL; AJXU01000033; EIL89590.1; -; Genomic_DNA.
DR RefSeq; WP_007081401.1; NZ_AJXU01000033.1.
DR AlphaFoldDB; I4VQU9; -.
DR STRING; 1163408.UU9_08822; -.
DR PATRIC; fig|1163408.3.peg.1808; -.
DR eggNOG; COG0028; Bacteria.
DR OrthoDB; 9785953at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000004210; 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: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:UP000004210};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 21..142
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 231..363
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 427..577
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 621 AA; 66529 MW; 760B33739CAD896E CRC64;
MNTQSTPASA GNLHPLAAKS MSGAEVIVQV LADEGVDVMF GYSGGAILPV YDAVFRYNAT
HPNDDGSEPL PLIVPANEQG AGFMAAGYAR ASGKVGVAVV TSGPGATNMV TPVRDSMADS
IPLVVICGQV GVAAIGSDAF QEAPVSTIMG ACAKHVFLVT DASVLEATLR TAFEIARSGR
PGPVVVDVPK DVQNTALTFA GQGQLPIPGY RARLRNVQSA QLDDAGCASF FEALAKAERP
LIYAGGGVIA SGAAEALRGF VADFGLPVTT TLMGLGAFDT TDPLALHFLG MHGTAYANYA
VEDCDFVLTL GARFDDRVAG VPDKFAPRAK FIAQVDIDPA EIGKVKTVDW HHIGDLRRTL
ERLREYGAAH GIQPRQDGRY AAWHAHIAEL KRVHALNYDH DSELIQPYAV IEAINRITDG
RAIISTGVGQ HQMWAAQYFD YRAPRHWLSS GSMGTMGFGL PAAIGAQFAR RDATVIDIDG
DGSIRMNLGE LETVTTYGLP VKIVLLNNRG DGMVRQWQKL FFKGRFASSD KSLHTKDFIK
AVQADGFTWA RRLERKEELA DTIAEFLAFE GPAFLEVMID PDAGVYPMVG PGMSYAQMIT
GDFIASRQRA AGDETLRNDM F
//
