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Protein

Ribulose bisphosphate carboxylase small chain

Gene

cbbS

Organism
Thiobacillus denitrificans (strain ATCC 25259)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

RuBisCO catalyzes two reactions: the carboxylation of D-ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate. Both reactions occur simultaneously and in competition at the same active site.

Catalytic activityi

2 3-phospho-D-glycerate + 2 H+ = D-ribulose 1,5-bisphosphate + CO2 + H2O.
3-phospho-D-glycerate + 2-phosphoglycolate = D-ribulose 1,5-bisphosphate + O2.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLyase, Monooxygenase, Oxidoreductase
Biological processCalvin cycle, Carbon dioxide fixation

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase small chain (EC:4.1.1.39)
Short name:
RuBisCO small subunit
Gene namesi
Name:cbbS
Ordered Locus Names:Tbd_2623
OrganismiThiobacillus denitrificans (strain ATCC 25259)
Taxonomic identifieri292415 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaBetaproteobacteriaNitrosomonadalesThiobacillaceaeThiobacillus
Proteomesi
  • UP000008291 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001986281 – 118Ribulose bisphosphate carboxylase small chainAdd BLAST118

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Protein-protein interaction databases

STRINGi292415.Tbd_2623.

Structurei

3D structure databases

ProteinModelPortaliQ56260.
SMRiQ56260.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the RuBisCO small chain family.Curated

Phylogenomic databases

eggNOGiENOG4108VFZ. Bacteria.
COG4451. LUCA.
HOGENOMiHOG000141332.
KOiK01602.
OMAiWNPAIEH.
OrthoDBiPOG091H13LH.

Family and domain databases

Gene3Di3.30.190.10. 1 hit.
InterProiView protein in InterPro
IPR000894. RuBisCO_sc_dom.
PfamiView protein in Pfam
PF00101. RuBisCO_small. 1 hit.
SMARTiView protein in SMART
SM00961. RuBisCO_small. 1 hit.
SUPFAMiSSF55239. SSF55239. 1 hit.

Sequencei

Sequence statusi: Complete.

Q56260-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSEVMDYKSR LSDPASRKFE TFSYLPAMNA ADIRKQVEYL VSKGWNPAIE
60 70 80 90 100
HTEPEHLMDS YWYMWKLPMF GETDIDRILG EAEACHKANP NNHVRLVGYD
110
NFAQSQGAAM VIYRGKTV
Length:118
Mass (Da):13,608
Last modified:November 1, 1996 - v1
Checksum:i4A45CFDA4FC98F63
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
L42940 Genomic DNA. Translation: AAB70698.1.
CP000116 Genomic DNA. Translation: AAZ98576.1.
RefSeqiWP_011313135.1. NC_007404.1.

Genome annotation databases

EnsemblBacteriaiAAZ98576; AAZ98576; Tbd_2623.
KEGGitbd:Tbd_2623.

Similar proteinsi

Entry informationi

Entry nameiRBS_THIDA
AccessioniPrimary (citable) accession number: Q56260
Secondary accession number(s): Q3SFN0
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 15, 1998
Last sequence update: November 1, 1996
Last modified: August 30, 2017
This is version 93 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families