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Protein

Ribulose bisphosphate carboxylase small chain, chloroplastic

Gene

RBCS1

Organism
Betula pendula (European white birch) (Betula verrucosa)
Status
Reviewed-Annotation score: -Experimental evidence at transcript leveli

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

Keywordsi

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

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase small chain, chloroplastic (EC:4.1.1.39)
Short name:
RuBisCO small subunit
Gene namesi
Name:RBCS1
OrganismiBetula pendula (European white birch) (Betula verrucosa)
Taxonomic identifieri3505 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFagalesBetulaceaeBetula

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

Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei1 – 59ChloroplastBy similarityAdd BLAST59
ChainiPRO_000003146860 – 182Ribulose bisphosphate carboxylase small chain, chloroplasticAdd BLAST123

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Structurei

3D structure databases

ProteinModelPortaliQ96542
SMRiQ96542
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the RuBisCO small chain family.Curated

Keywords - Domaini

Transit peptide

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.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q96542-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MACSMISSAT VAAVSRASPA QSSMVAPFTC LKSTSAFPVT QKTNNDITSI
60 70 80 90 100
ASNGGRVQCM QVWPPLGLKK FETLSYLPPL SSEQLAKEVD YLLRKNLIPC
110 120 130 140 150
LEFELEHGFV YREHNRSPGY YDGRYWTMWK LPMFGCNDSS QVLKELEECK
160 170 180
KAYPSAFIRI IGFDNKRQVQ IISFIAYKPP GV
Length:182
Mass (Da):20,448
Last modified:February 1, 1997 - v1
Checksum:i93D9177D23475DFC
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y07779 mRNA Translation: CAA69102.1

Similar proteinsi

Entry informationi

Entry nameiRBS_BETPN
AccessioniPrimary (citable) accession number: Q96542
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 15, 1998
Last sequence update: February 1, 1997
Last modified: October 25, 2017
This is version 77 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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