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Protein

Ribulose bisphosphate carboxylase small chain

Gene

RBCS3B

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Unreviewed-Annotation score: -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 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

GO - Biological processi

Keywordsi

Molecular functionLyaseUniRule annotationSAAS annotation, MonooxygenaseUniRule annotationSAAS annotation, Oxidoreductase
Biological processCarbon dioxide fixationUniRule annotationSAAS annotation, PhotorespirationUniRule annotationSAAS annotation, PhotosynthesisUniRule annotationSAAS annotation

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase small chainUniRule annotation (EC:4.1.1.39UniRule annotation)
Gene namesi
Name:RBCS3BImported
Synonyms:MXI10.13Imported, MXI10_13Imported, Rubisco small subunit 3BImported
Ordered Locus Names:At5g38410Imported
OrganismiArabidopsis thaliana (Mouse-ear cress)Imported
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 5

Organism-specific databases

AraportiAT5G38410

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

ChloroplastSAAS annotation, Plastid

PTM / Processingi

Proteomic databases

PRIDEiF4KA76

Expressioni

Gene expression databases

ExpressionAtlasiF4KA76 baseline and differential

Interactioni

Subunit structurei

8 large chains + 8 small chains.UniRule annotationSAAS annotation

Structurei

3D structure databases

ProteinModelPortaliF4KA76
SMRiF4KA76
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini66 – 168RuBisCO_smallInterPro annotationAdd BLAST103

Sequence similaritiesi

Belongs to the RuBisCO small chain family.UniRule annotationSAAS annotation

Family and domain databases

Gene3Di3.30.190.10, 1 hit
InterProiView protein in InterPro
IPR024681 RuBisCO_sc
IPR000894 RuBisCO_sc_dom
IPR024680 RuBisCO_ssu_N
IPR036385 RuBisCO_ssu_sf
PfamiView protein in Pfam
PF12338 RbcS, 1 hit
PF00101 RuBisCO_small, 1 hit
PRINTSiPR00152 RUBISCOSMALL
SMARTiView protein in SMART
SM00961 RuBisCO_small, 1 hit
SUPFAMiSSF55239 SSF55239, 1 hit

Sequencei

Sequence statusi: Complete.

F4KA76-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASSMLSSAA VVTSPAQATM VAPFTGLKSS AAFPVTRKTN KDITSIASNG
60 70 80 90 100
GRVSCMKVWP PIGKKKFETL SYLPDLSDVE LAKEVDYLLR NKWIPCVEFE
110 120 130 140 150
LEHGNTPGYY DGRYWTMWKL PLFGCTDSAQ VLKEVEECKK EYPGAFIRII
160 170
GFDNTRQVQC ISFIAYKPPS FTEA
Length:174
Mass (Da):19,395
Last modified:June 28, 2011 - v1
Checksum:iAB2D5BC014ACE539
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP002688 Genomic DNA Translation: AED94312.1
RefSeqiNP_001031981.1, NM_001036904.1
UniGeneiAt.20381
At.24772
At.46639
At.49098
At.49366
At.70032
At.70053
At.71313
At.74604
At.75410
At.75674

Genome annotation databases

EnsemblPlantsiAT5G38410.2; AT5G38410.2; AT5G38410
GeneIDi833828
GrameneiAT5G38410.2; AT5G38410.2; AT5G38410

Similar proteinsi

Entry informationi

Entry nameiF4KA76_ARATH
AccessioniPrimary (citable) accession number: F4KA76
Entry historyiIntegrated into UniProtKB/TrEMBL: June 28, 2011
Last sequence update: June 28, 2011
Last modified: April 25, 2018
This is version 45 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteomeImported
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Main funding by: National Institutes of Health