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Reviewed, UniProtKB/Swiss-Prot Q55141 (ILVH_SYNY3)

Last modified November 24, 2009. Version 56. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (3) | Third-party data | Customize display text xml rdf/xml gff fasta
Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents

Names and origin

Protein namesRecommended name:
    Acetolactate synthase small subunit
    EC=2.2.1.6
Alternative name(s):
    Acetohydroxy-acid synthase small subunit
      Short name=AHAS
      Short name=ALS
Gene names
Name: ilvH
Synonyms: ilvN
Ordered Locus Names: sll0065
OrganismSynechocystis sp. (strain PCC 6803) [Complete proteome] [HAMAP]
Taxonomic identifier1148 [NCBI]
Taxonomic lineageBacteriaCyanobacteriaChroococcalesSynechocystis

Protein attributes

Sequence length172 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is not processed.
Protein existenceInferred from homology.

General annotation (Comments)

Catalytic activity

2 pyruvate = 2-acetolactate + CO2.

Pathway

Amino-acid biosynthesis; L-isoleucine biosynthesis; L-isoleucine from 2-oxobutanoate: step 1/4.

Amino-acid biosynthesis; L-valine biosynthesis; L-valine from pyruvate: step 1/4.

Subunit structure

Dimer of large and small chains By similarity.

Sequence similarities

Belongs to the acetolactate synthase small subunit family.

Contains 1 ACT domain.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 172172Acetolactate synthase small subunit
PRO_0000151418

Regions

Domain3 – 7674ACT

Sequences

Sequence LengthMass (Da)Tools
Q55141-1 [UniParc].

Last modified May 30, 2000. Version 2.
Checksum: CF266998F9BCA806

FASTA17218,871
        10         20         30         40         50         60 
MKHTLSVLVE DEAGVLTRIA GLFARRGFNI ESLAVGSAEQ GDVSRITMVV PGDENTIEQL 

        70         80         90        100        110        120 
TKQLYKLVNV IKVQDITETP CVERELMLVK VSANAPNRAE VIELAQVFRA RIVDISEDTV 

       130        140        150        160        170 
TIEVVGDPGK MVAILQMLAK FGIKEVARTG KIALVRESGV NTEYLKSLES KF 

« Hide

References

[1]"Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. I. Sequence features in the 1 Mb region from map positions 64% to 92% of the genome."
Kaneko T., Tanaka A., Sato S., Kotani H., Sazuka T., Miyajima N., Sugiura M., Tabata S.
DNA Res. 2:153-166(1995) [PubMed: 8590279] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[2]"Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. II. Sequence determination of the entire genome and assignment of potential protein-coding regions."
Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y., Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T., Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S. expand/collapse author list , Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.
DNA Res. 3:109-136(1996) [PubMed: 8905231] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases

BA000022 Genomic DNA. Translation: BAA10276.1. Different initiation.
PIRS74358.
RefSeqNP_442206.1.

3D structure databases

ModBaseSearch...

Protein-protein interaction databases

IntActQ55141. 2 interactions.
STRINGQ55141.

Genome annotation databases

GeneID952587.
GenomeReviewsGene locus sll0065 in contig BA000022_GR.
KEGGsyn:sll0065.
NMPDRfig|1148.1.peg.2307.

Organism-specific databases

CMRSearch...

Phylogenomic databases

HOGENOMQ55141.
OMAIERELAM

Enzyme and pathway databases

BioCycSSP1148:SLL0065-MON.

Family and domain databases

InterProIPR004789. Acetalactate_synth_ssu.
IPR019455. Acetolactate_synth_ssu_C.
IPR002912. ACT_bd.
[Graphical view]
PfamPF01842. ACT. 1 hit.
PF10369. ALS_ss_C. 1 hit.
[Graphical view]
TIGRFAMsTIGR00119. acolac_sm. 1 hit.
ProtoNetSearch...

Entry information

Entry nameILVH_SYNY3
AccessionPrimary (citable) accession number: Q55141
Entry history
Integrated into UniProtKB/Swiss-Prot: May 30, 2000
Last sequence update: May 30, 2000
Last modified: November 24, 2009
This is version 56 of the entry and version 2 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation projectHAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

Synechocystis PCC 6803

Synechocystis (strain PCC 6803): entries and gene names

Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents