ID D4DQR9_NEIEG Unreviewed; 581 AA.
AC D4DQR9;
DT 18-MAY-2010, integrated into UniProtKB/TrEMBL.
DT 18-MAY-2010, sequence version 1.
DT 27-MAR-2024, entry version 58.
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:EFE49667.1};
GN ORFNames=NEIELOOT_01409 {ECO:0000313|EMBL:EFE49667.1};
OS Neisseria elongata subsp. glycolytica ATCC 29315.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC Neisseria.
OX NCBI_TaxID=546263 {ECO:0000313|EMBL:EFE49667.1, ECO:0000313|Proteomes:UP000005536};
RN [1] {ECO:0000313|EMBL:EFE49667.1, ECO:0000313|Proteomes:UP000005536}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29315 {ECO:0000313|EMBL:EFE49667.1,
RC ECO:0000313|Proteomes:UP000005536};
RA Weinstock G., Sodergren E., Clifton S., Fulton L., Fulton B., Courtney L.,
RA Fronick C., Harrison M., Strong C., Farmer C., Delahaunty K., Markovic C.,
RA Hall O., Minx P., Tomlinson C., Mitreva M., Nelson J., Hou S., Wollam A.,
RA Pepin K.H., Johnson M., Bhonagiri V., Zhang X., Suruliraj S., Warren W.,
RA Chinwalla A., Mardis E.R., Wilson R.K.;
RL Submitted (FEB-2010) 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}.
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:EFE49667.1}.
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DR EMBL; ADBF01000042; EFE49667.1; -; Genomic_DNA.
DR AlphaFoldDB; D4DQR9; -.
DR STRING; 546263.NELON_03560; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000005536; 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 Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:EFE49667.1}.
FT DOMAIN 4..118
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 194..329
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 394..542
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 581 AA; 64105 MW; 6DE4C8F8316AF626 CRC64;
MQLSGAQILV QSLKAENVEY VFGYPGGAVL EIYDALFQLN KFKHILVRHE QAAVHAADAY
ARVSGKVGVA LVTSGPGATN ALTGIATAYS DSIPLVVISG QVGSPAIGTD AFQEIDMVGV
SRPCVKHNFL VKNIDDLTTT VKKAFQIARS GRPGPVVIDI AKDVTQSMAK FSYPQEDIFI
RSYQPVLNGH IGQIKKAVQM LAAAKRPLVY FGGGVVLGNA ADELAEFVKL AGLPCTATLM
GLGAYPSDDR QYLGMLGMHG TYEANLAMHN ADVVLAVGAR FDDRVVSVPA KFLEKPKKII
HIDIDPSSIS KRVRADVPIV GDVKNVLREM TAIWKSQNLQ VNGQHLEKWW RNLEGWRARD
CLRLPETDGN VILPQMVIKT LAEVTNNDAI ITSDVGQHQM FAAQFYPFRR PRQWLNSGGQ
GTMGVGLPYA MGAYLADPSK DVCCITGEGS IQMNIQELST CFQYRLPVKI ICLNNGYLGM
VRQWQELYYG ERESETYFDS LPDFVKLAEA YGHVGMRIEK PSDVEGALRE ALAMKDRCVF
LDFITDKNKM FSRWSATARV WTRWCCRCTC AKPRPTAMSM M
//
