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Protein

Ribulose bisphosphate carboxylase small chain, chloroplastic

Gene

RBCS

Organism
Gossypium hirsutum (Upland cotton) (Gossypium mexicanum)
Status
Reviewed-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 (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:RBCS
OrganismiGossypium hirsutum (Upland cotton) (Gossypium mexicanum)
Taxonomic identifieri3635 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsMalvalesMalvaceaeMalvoideaeGossypium
Proteomesi
  • UP000189702 Componenti: Genome assembly

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_000003150660 – 182Ribulose bisphosphate carboxylase small chain, chloroplasticAdd BLAST123

Proteomic databases

PRIDEiP31333

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Structurei

3D structure databases

ProteinModelPortaliP31333
SMRiP31333
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the RuBisCO small chain family.Curated

Keywords - Domaini

Transit peptide

Phylogenomic databases

KOiK01602
OMAiCENHRSP

Family and domain databases

Gene3Di3.30.190.101 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.

P31333-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASSMISSAT IATVNCSSPA QANMVAPFTG LKSASAFPVT RKANNDITSL
60 70 80 90 100
ASNGGRVQCM QVWPPLGKKK FETLSYLPDL TPVQLAKEVD YLLRSKWIPC
110 120 130 140 150
LEFELEEGFV HRKYSSLPTY YDGRYWTMWK LPMFGCTDSA QVLEELENCK
160 170 180
KEYPNAFIRI IGFDNVRQVQ CISFIAYKPK GY
Length:182
Mass (Da):20,535
Last modified:February 1, 1996 - v2
Checksum:i077258225E59A0DC
GO

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Natural varianti66L → T. 1
Natural varianti98I → V. 1
Natural varianti148N → E. 1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X54091 Genomic DNA Translation: CAA38026.1
PIRiS18344 RKCNSU
RefSeqiXP_016743507.1, XM_016888018.1

Genome annotation databases

GeneIDi107952825
KEGGighi:107952825

Similar proteinsi

Entry informationi

Entry nameiRBS_GOSHI
AccessioniPrimary (citable) accession number: P31333
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 1, 1993
Last sequence update: February 1, 1996
Last modified: March 28, 2018
This is version 89 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome