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Protein

Ribulose bisphosphate carboxylase small chain, chloroplastic

Gene

RBCS

Organism
Oryza sativa subsp. japonica (Rice)
Status
Reviewed-Annotation score: -Experimental evidence at protein 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

Miscellaneous

NADPH and 6-phosphogluconate function as positive effectors to promote enzyme activation.1 Publication

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

Enzyme and pathway databases

BRENDAi4.1.1.39 4460

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase small chain, chloroplastic (EC:4.1.1.39)
Short name:
Ribulose bisphosphate carboxylase small chain C
Short name:
RuBisCO small subunit
Short name:
RuBisCO small subunit C
Gene namesi
Name:RBCS
Synonyms:RBCS-C
Ordered Locus Names:Os12g0274700, LOC_Os12g17600
ORF Names:OsJ_016909, OsJ_17688Imported
OrganismiOryza sativa subsp. japonica (Rice)
Taxonomic identifieri39947 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBOP cladeOryzoideaeOryzeaeOryzinaeOryzaOryza sativa
Proteomesi
  • UP000059680 Componenti: Chromosome 12

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 – 47Chloroplast1 PublicationAdd BLAST47
ChainiPRO_000003153748 – 175Ribulose bisphosphate carboxylase small chain, chloroplasticAdd BLAST128

Proteomic databases

PaxDbiQ0INY7
PRIDEiQ0INY7

Expressioni

Gene expression databases

ExpressionAtlasiQ0INY7 differential
GenevisibleiQ0INY7 OS

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Protein-protein interaction databases

STRINGi39947.LOC_Os12g17600.1

Structurei

Secondary structure

1175
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi53 – 55Combined sources3
Turni61 – 64Combined sources4
Helixi70 – 82Combined sources13
Beta strandi86 – 93Combined sources8
Beta strandi109 – 111Combined sources3
Beta strandi114 – 117Combined sources4
Helixi126 – 139Combined sources14
Beta strandi143 – 151Combined sources9
Turni152 – 155Combined sources4
Beta strandi156 – 164Combined sources9

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1WDDX-ray1.35S/W48-175[»]
3AXKX-ray1.90S/T48-175[»]
3AXMX-ray1.65S/T/U/V/W/X/Y/Z48-175[»]
ProteinModelPortaliQ0INY7
SMRiQ0INY7
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiQ0INY7

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni60 – 64Interaction with large subunit5

Sequence similaritiesi

Belongs to the RuBisCO small chain family.Curated

Keywords - Domaini

Transit peptide

Phylogenomic databases

eggNOGiENOG410IM2H Eukaryota
COG4451 LUCA
InParanoidiQ0INY7
KOiK01602
OMAiVAQASMV
OrthoDBiEOG09360OM1

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.

Q0INY7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAPSVMASSA TTVAPFQGLK STAGMPVARR SGNSSFGNVS NGGRIRCMQV
60 70 80 90 100
WPIEGIKKFE TLSYLPPLTV EDLLKQIEYL LRSKWVPCLE FSKVGFVYRE
110 120 130 140 150
NHRSPGYYDG RYWTMWKLPM FGCTDATQVL KELEEAKKAY PDAFVRIIGF
160 170
DNVRQVQLIS FIAYKPPGCE ESGGN
Length:175
Mass (Da):19,647
Last modified:October 3, 2006 - v1
Checksum:iE95B68AC3178A7D7
GO

Sequence cautioni

The sequence CAA30393 differs from that shown. Sequencing errors.Curated
The sequence CAA30393 differs from that shown. Reason: Frameshift at several positions.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X07515 Genomic DNA Translation: CAA30393.1 Sequence problems.
D00643 mRNA Translation: BAA00538.1
AF052305 mRNA Translation: AAC14064.1
DP000011 Genomic DNA Translation: ABA97056.1
AP008218 Genomic DNA Translation: BAF29578.1
AP014968 Genomic DNA Translation: BAT16666.1
CM000142 Genomic DNA Translation: EAZ33426.1
CM000142 Genomic DNA Translation: EEE62884.1
AK061611 mRNA Translation: BAG88038.1
AK119219 mRNA Translation: BAG99587.1
AK121444 mRNA Translation: BAH00491.1
PIRiJA0070 RKRZS9
S01235 RKRZS
RefSeqiXP_015619872.1, XM_015764386.1
UniGeneiOs.22440

Genome annotation databases

EnsemblPlantsiOs12t0274700-01; Os12t0274700-01; Os12g0274700
Os12t0274700-02; Os12t0274700-02; Os12g0274700
GeneIDi4351966
GrameneiOs12t0274700-01; Os12t0274700-01; Os12g0274700
Os12t0274700-02; Os12t0274700-02; Os12g0274700
KEGGiosa:4351966

Similar proteinsi

Entry informationi

Entry nameiRBS1_ORYSJ
AccessioniPrimary (citable) accession number: Q0INY7
Secondary accession number(s): B7E6P1
, O65105, P05347, P18567, Q2QU37
Entry historyiIntegrated into UniProtKB/Swiss-Prot: September 11, 2007
Last sequence update: October 3, 2006
Last modified: May 23, 2018
This is version 86 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome

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