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Protein

Ribulose bisphosphate carboxylase small chain

Gene

cbbS

Organism
Synechococcus sp. (strain WH7803)
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 (By similarity).By similarity

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

Complete GO annotation...

Keywords - Molecular functioni

Lyase, Monooxygenase, Oxidoreductase

Keywords - Biological processi

Calvin cycle, Carbon dioxide fixation, Photosynthesis

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
Synonyms:rbcS
Ordered Locus Names:SynWH7803_0679
OrganismiSynechococcus sp. (strain WH7803)
Taxonomic identifieri32051 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaSynechococcalesSynechococcaceaeSynechococcus
Proteomesi
  • UP000001566 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001986251 – 113Ribulose bisphosphate carboxylase small chainAdd BLAST113

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Protein-protein interaction databases

STRINGi32051.SynWH7803_0679.

Structurei

3D structure databases

ProteinModelPortaliP0A4S6.
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.
InterProiIPR000894. RuBisCO_sc_dom.
[Graphical view]
PfamiPF00101. RuBisCO_small. 1 hit.
[Graphical view]
SMARTiSM00961. RuBisCO_small. 1 hit.
[Graphical view]
SUPFAMiSSF55239. SSF55239. 1 hit.

Sequencei

Sequence statusi: Complete.

P0A4S6-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MPFQSTVGDY QTVATLETFG FLPPMTQDEI YDQIAYIIAQ GWSPLVEHVH
60 70 80 90 100
PSNSMATYWS YWKLPFFGEK DLNVVVSELE ACHRAYPDHH VRIVGYDAYT
110
QSQGACFVVF EGR
Length:113
Mass (Da):12,943
Last modified:March 15, 2005 - v1
Checksum:i8929415D336391F4
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U46156 Genomic DNA. Translation: AAB48081.1.
CT971583 Genomic DNA. Translation: CAK23105.1.
RefSeqiWP_006043651.1. NC_009481.1.

Genome annotation databases

EnsemblBacteriaiCAK23105; CAK23105; SynWH7803_0679.
KEGGisyx:SynWH7803_0679.
PATRICi23827461. VBISynSp43824_0696.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U46156 Genomic DNA. Translation: AAB48081.1.
CT971583 Genomic DNA. Translation: CAK23105.1.
RefSeqiWP_006043651.1. NC_009481.1.

3D structure databases

ProteinModelPortaliP0A4S6.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi32051.SynWH7803_0679.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiCAK23105; CAK23105; SynWH7803_0679.
KEGGisyx:SynWH7803_0679.
PATRICi23827461. VBISynSp43824_0696.

Phylogenomic databases

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

Family and domain databases

Gene3Di3.30.190.10. 1 hit.
InterProiIPR000894. RuBisCO_sc_dom.
[Graphical view]
PfamiPF00101. RuBisCO_small. 1 hit.
[Graphical view]
SMARTiSM00961. RuBisCO_small. 1 hit.
[Graphical view]
SUPFAMiSSF55239. SSF55239. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiRBS_SYNPW
AccessioniPrimary (citable) accession number: P0A4S6
Secondary accession number(s): A5GJJ0, P96487
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 15, 2005
Last sequence update: March 15, 2005
Last modified: November 2, 2016
This is version 60 of the entry and version 1 of the sequence. [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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.