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Protein

Ribulose bisphosphate carboxylase small chain

Gene

OSTLU_42060

Organism
Ostreococcus lucimarinus (strain CCE9901)
Status
Unreviewed-Annotation score: Annotation score: 2 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.UniRule annotationSAAS annotation

Catalytic activityi

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

GO - Molecular functioni

  1. monooxygenase activity Source: UniProtKB-KW
  2. ribulose-bisphosphate carboxylase activity Source: UniProtKB-EC

GO - Biological processi

  1. carbon fixation Source: UniProtKB-KW
  2. photorespiration Source: UniProtKB-KW
  3. photosynthesis Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

LyaseUniRule annotationSAAS annotation, MonooxygenaseUniRule annotationSAAS annotation, Oxidoreductase

Keywords - Biological processi

Carbon dioxide fixationUniRule annotationSAAS annotation, PhotorespirationUniRule annotation, PhotosynthesisUniRule annotationSAAS annotation

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase small chainUniRule annotation (EC:4.1.1.39UniRule annotation)
Gene namesi
ORF Names:OSTLU_42060Imported
OrganismiOstreococcus lucimarinus (strain CCE9901)Imported
Taxonomic identifieri436017 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeChlorophytaprasinophytesMamiellophyceaeMamiellalesBathycoccaceaeOstreococcus
ProteomesiUP000001568 Componenti: Chromosome 17

Subcellular locationi

GO - Cellular componenti

  1. plastid Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

PlastidUniRule annotation

Interactioni

Subunit structurei

8 large chains + 8 small chains.UniRule annotationSAAS annotation

Protein-protein interaction databases

STRINGi436017.A4SA21.

Family & Domainsi

Sequence similaritiesi

Belongs to the RuBisCO small chain family.UniRule annotation

Phylogenomic databases

eggNOGiCOG4451.
HOGENOMiHOG000141332.
KOiK01602.
OMAiFNESSQP.

Family and domain databases

Gene3Di3.30.190.10. 1 hit.
InterProiIPR024681. RuBisCO_sc.
IPR000894. RuBisCO_sc_dom.
[Graphical view]
PfamiPF00101. RuBisCO_small. 1 hit.
[Graphical view]
PRINTSiPR00152. RUBISCOSMALL.
SMARTiSM00961. RuBisCO_small. 1 hit.
[Graphical view]
SUPFAMiSSF55239. SSF55239. 1 hit.

Sequencei

Sequence statusi: Fragment.

A4SA21-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
RRMFETFSFL PPLSDAEISK QVQYLLNNGW TPCIEFEDSA HAYTDGHGWA
60 70 80 90 100
NMDTSINAGY YDNRYWVMWK LPMYGCQNPD EVIAEINTCI KCFPECYVRV
110 120 130
AGFDNIKQVQ CSAFLAHRPA SEAACAVDQR QVQG
Length:134
Mass (Da):15,317
Last modified:May 15, 2007 - v1
Checksum:iAD9548CA194A715A
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-terminal residuei1 – 11Imported

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000597 Genomic DNA. Translation: ABP00588.1.
RefSeqiXP_001422271.1. XM_001422234.1.

Genome annotation databases

EnsemblPlantsiABP00588; ABP00588; OSTLU_42060.
GeneIDi5006223.
KEGGiolu:OSTLU_42060.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000597 Genomic DNA. Translation: ABP00588.1.
RefSeqiXP_001422271.1. XM_001422234.1.

3D structure databases

ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi436017.A4SA21.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblPlantsiABP00588; ABP00588; OSTLU_42060.
GeneIDi5006223.
KEGGiolu:OSTLU_42060.

Phylogenomic databases

eggNOGiCOG4451.
HOGENOMiHOG000141332.
KOiK01602.
OMAiFNESSQP.

Family and domain databases

Gene3Di3.30.190.10. 1 hit.
InterProiIPR024681. RuBisCO_sc.
IPR000894. RuBisCO_sc_dom.
[Graphical view]
PfamiPF00101. RuBisCO_small. 1 hit.
[Graphical view]
PRINTSiPR00152. RUBISCOSMALL.
SMARTiSM00961. RuBisCO_small. 1 hit.
[Graphical view]
SUPFAMiSSF55239. SSF55239. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: CCE9901Imported.

Entry informationi

Entry nameiA4SA21_OSTLU
AccessioniPrimary (citable) accession number: A4SA21
Entry historyi
Integrated into UniProtKB/TrEMBL: May 15, 2007
Last sequence update: May 15, 2007
Last modified: February 4, 2015
This is version 52 of the entry and version 1 of the sequence. [Complete history]
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteomeImported

External Data

Dasty 3

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 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.