Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
We will be switching to the new UniProt website on Tuesday, June 28. Please explore and share your feedback. Take me to UniProt BETA

UniProtKB - P9WG39 (ILVG_MYCTU)

Entry version 44 (25 May 2022)
Sequence version 1 (16 Apr 2014)
Previous versions | rss
Add a publicationFeedback
Protein

Acetolactate synthase large subunit IlvG

Gene

ilvG

Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Catalyzes the conversion of 2 pyruvate molecules into acetolactate in the first common step of the biosynthetic pathway of the branched-amino acids such as leucine, isoleucine, and valine.

1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the 'Function' section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Protein has several cofactor binding sites:

<p>This subsection of the 'Function' section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>Kineticsi

  1. KM=11.89 mM for pyruvate1 Publication
  1. Vmax=1.39 µmol/min/mg enzyme1 Publication

pH dependencei

Optimum pH is between 6 and 7.1 Publication

Temperature dependencei

Optimum temperature is between 35 and 40 degrees Celsius.1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: L-isoleucine biosynthesis

This protein is involved in step 1 of the subpathway that synthesizes L-isoleucine from 2-oxobutanoate. This subpathway is part of the pathway L-isoleucine biosynthesis, which is itself part of Amino-acid biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes L-isoleucine from 2-oxobutanoate, the pathway L-isoleucine biosynthesis and in Amino-acid biosynthesis.

Pathwayi: L-valine biosynthesis

This protein is involved in step 1 of the subpathway that synthesizes L-valine from pyruvate. This subpathway is part of the pathway L-valine biosynthesis, which is itself part of Amino-acid biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes L-valine from pyruvate, the pathway L-valine biosynthesis and in Amino-acid biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei57Thiamine pyrophosphateBy similarity1
Binding sitei159FADBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the 'Description' field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi439MagnesiumBy similarity1
Metal bindingi466MagnesiumBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi299 – 318FADBy similarityAdd BLAST20

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionTransferase
Biological processAmino-acid biosynthesis, Branched-chain amino acid biosynthesis
LigandFAD, Flavoprotein, Magnesium, Metal-binding, Thiamine pyrophosphate

Enzyme and pathway databases

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		2.2.1.6, 3445

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...UniPathwayi		UPA00047;UER00055
UPA00049;UER00059

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Acetolactate synthase large subunit IlvG (EC:2.2.1.6)
Short name:
ALS
Alternative name(s):
Acetohydroxy-acid synthase large subunit
Short name:
AHAS
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:ilvG
Ordered Locus Names:Rv1820
ORF Names:MTCY1A11.23c
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiMycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri83332 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiBacteria › Actinobacteria › Corynebacteriales › Mycobacteriaceae › Mycobacterium › Mycobacterium tuberculosis complex ›
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000001584 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome

Organism-specific databases

Mycobacterium tuberculosis strain H37Rv genome database

More...TubercuListi		Rv1820

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section indicates that the initiator methionine is cleaved from the mature protein.<p><a href='/help/init_met' target='_top'>More...</a></p>Initiator methionineiRemovedCombined sources
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000908052 – 547Acetolactate synthase large subunit IlvGAdd BLAST546

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei2N-acetylserineCombined sources1

Keywords - PTMi

Acetylation

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...PaxDbi		P9WG39

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...iPTMneti		P9WG39

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

<p>This subsection of the 'Expression' section reports the experimentally proven effects of inducers and repressors (usually chemical compounds or environmental factors) on the level of protein (or mRNA) expression (up-regulation, down-regulation, constitutive expression).<p><a href='/help/induction' target='_top'>More...</a></p>Inductioni

The expression is almost identical during the mid-exponential and extended stationary phase.1 Publication

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Heterodimer of large catalytic subunit and small regulatory subunit.

By similarity

Protein-protein interaction databases

STRING: functional protein association networks

More...STRINGi		83332.Rv1820

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

AlphaFold Protein Structure Database

More...AlphaFoldDBi		P9WG39

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...SMRi		P9WG39

Database of comparative protein structure models

More...ModBasei		Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni388 – 468Thiamine pyrophosphate bindingAdd BLAST81

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the TPP enzyme family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		COG0028, Bacteria

Identification of Orthologs from Complete Genome Data

More...OMAi		PGPYGCL

Database for complete collections of gene phylogenies

More...PhylomeDBi		P9WG39

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR029035, DHS-like_NAD/FAD-binding_dom
IPR029061, THDP-binding
IPR012000, Thiamin_PyroP_enz_cen_dom
IPR012001, Thiamin_PyroP_enz_TPP-bd_dom
IPR000399, TPP-bd_CS
IPR045229, TPP_enz
IPR011766, TPP_enzyme-bd_C

The PANTHER Classification System

More...PANTHERi		PTHR18968, PTHR18968, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF02775, TPP_enzyme_C, 1 hit
PF00205, TPP_enzyme_M, 1 hit
PF02776, TPP_enzyme_N, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF52467, SSF52467, 1 hit
SSF52518, SSF52518, 2 hits

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00187, TPP_ENZYMES, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

P9WG39-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSTDTAPAQT MHAGRLIARR LKASGIDTVF TLSGGHLFSI YDGCREEGIR 
        60         70         80         90        100
LIDTRHEQTA AFAAEGWSKV TRVPGVAALT AGPGITNGMS AMAAAQQNQS 
       110        120        130        140        150
PLVVLGGRAP ALRWGMGSLQ EIDHVPFVAP VARFAATAQS AENAGLLVDQ 
       160        170        180        190        200
ALQAAVSAPS GVAFVDFPMD HAFSMSSDNG RPGALTELPA GPTPAGDALD 
       210        220        230        240        250
RAAGLLSTAQ RPVIMAGTNV WWGHAEAALL RLVEERHIPV LMNGMARGVV 
       260        270        280        290        300
PADHRLAFSR ARSKALGEAD VALIVGVPMD FRLGFGGVFG STTQLIVADR 
       310        320        330        340        350
VEPAREHPRP VAAGLYGDLT ATLSALAGSG GTDHQGWIEE LATAETMARD 
       360        370        380        390        400
LEKAELVDDR IPLHPMRVYA ELAALLERDA LVVIDAGDFG SYAGRMIDSY 
       410        420        430        440        450
LPGCWLDSGP FGCLGSGPGY ALAAKLARPQ RQVVLLQGDG AFGFSGMEWD 
       460        470        480        490        500
TLVRHNVAVV SVIGNNGIWG LEKHPMEALY GYSVVAELRP GTRYDEVVRA 
       510        520        530        540 
LGGHGELVSV PAELRPALER AFASGLPAVV NVLTDPSVAY PRRSNLA
Length:547
Mass (Da):57,521
Last modified:April 16, 2014 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i2D5CC10B21406887
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
AL123456 Genomic DNA Translation: CCP44586.1

Protein sequence database of the Protein Information Resource

More...PIRi		E70720

NCBI Reference Sequences

More...RefSeqi		NP_216336.1, NC_000962.3
WP_003409218.1, NZ_NVQJ01000013.1

Genome annotation databases

Database of genes from NCBI RefSeq genomes

More...GeneIDi		885738

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		mtu:Rv1820

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AL123456 Genomic DNA Translation: CCP44586.1
PIRiE70720
RefSeqiNP_216336.1, NC_000962.3
WP_003409218.1, NZ_NVQJ01000013.1

3D structure databases

AlphaFoldDBiP9WG39
SMRiP9WG39
ModBaseiSearch...

Protein-protein interaction databases

STRINGi83332.Rv1820

PTM databases

iPTMnetiP9WG39

Proteomic databases

PaxDbiP9WG39

Protocols and materials databases

The DNASU plasmid repository

More...DNASUi		885738

Genome annotation databases

GeneIDi885738
KEGGimtu:Rv1820

Organism-specific databases

TubercuListiRv1820

Phylogenomic databases

eggNOGiCOG0028, Bacteria
OMAiPGPYGCL
PhylomeDBiP9WG39

Enzyme and pathway databases

UniPathwayiUPA00047;UER00055
UPA00049;UER00059
BRENDAi2.2.1.6, 3445

Family and domain databases

InterProiView protein in InterPro
IPR029035, DHS-like_NAD/FAD-binding_dom
IPR029061, THDP-binding
IPR012000, Thiamin_PyroP_enz_cen_dom
IPR012001, Thiamin_PyroP_enz_TPP-bd_dom
IPR000399, TPP-bd_CS
IPR045229, TPP_enz
IPR011766, TPP_enzyme-bd_C
PANTHERiPTHR18968, PTHR18968, 1 hit
PfamiView protein in Pfam
PF02775, TPP_enzyme_C, 1 hit
PF00205, TPP_enzyme_M, 1 hit
PF02776, TPP_enzyme_N, 1 hit
SUPFAMiSSF52467, SSF52467, 1 hit
SSF52518, SSF52518, 2 hits
PROSITEiView protein in PROSITE
PS00187, TPP_ENZYMES, 1 hit

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiILVG_MYCTU
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P9WG39
Secondary accession number(s): L0T9C7, P66946, Q50613
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 16, 2014
Last sequence update: April 16, 2014
Last modified: May 25, 2022
This is version 44 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.

Do not show this banner again