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Protein

Ribulose bisphosphate carboxylase small chain, chloroplastic

Gene

RBCS

Organism
Marchantia paleacea (Liverwort)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-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

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

GO - Biological processi

  1. photorespiration Source: UniProtKB-KW
  2. reductive pentose-phosphate cycle Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Lyase, Monooxygenase, Oxidoreductase

Keywords - Biological processi

Calvin 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
OrganismiMarchantia paleacea (Liverwort)
Taxonomic identifieri56867 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaMarchantiophytaMarchantiopsidaMarchantiidaeMarchantialesMarchantiaceaeMarchantia

Subcellular locationi

GO - Cellular componenti

  1. chloroplast Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transit peptidei1 – 5858ChloroplastBy similarityAdd
BLAST
Chaini59 – 180122Ribulose bisphosphate carboxylase small chain, chloroplasticPRO_0000031525Add
BLAST

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Structurei

3D structure databases

ProteinModelPortaliO64416.
SMRiO64416. Positions 59-178.
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.
InterProiIPR024681. RuBisCO_sc.
IPR000894. RuBisCO_sc_dom.
[Graphical view]
PfamiPF00101. RuBisCO_small. 1 hit.
[Graphical view]
PRINTSiPR00152. RUBISCOSMALL.
SUPFAMiSSF55239. SSF55239. 1 hit.

Sequencei

Sequence statusi: Complete.

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

O64416-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASVVASAAV VTPFAASAAS TTKSSQIVSV QAGLKAGVFG GKSEWQTKTQ
60 70 80 90 100
TNGSRVSCMQ VWEPYNNLKF ETLSYLPPLS QDALAKQIDY VIKSGWAPCI
110 120 130 140 150
EFDVQGTVTR EGSTMPGYYD GRYWTMWKLP MFGCTDSASV LREIEECKKL
160 170 180
YGKKCYIRCL GFDNTRQVQC ASFIVHQPTL
Length:180
Mass (Da):19,869
Last modified:August 1, 1998 - v1
Checksum:iD736A467732CDCB4
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB004883 mRNA. Translation: BAA28610.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB004883 mRNA. Translation: BAA28610.1.

3D structure databases

ProteinModelPortaliO64416.
SMRiO64416. Positions 59-178.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

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.
SUPFAMiSSF55239. SSF55239. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. "Differential light regulation of the rbcS gene expression in two cell lines of the liverwort Marchantia paleacea var. diptera."
    Suzuki T., Takio S., Tanaka K., Yamamoto I., Satoh T.
    Plant Cell Physiol. 40:100-103(1999) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: var. diptera.
    Tissue: Callus.

Entry informationi

Entry nameiRBS_MARPA
AccessioniPrimary (citable) accession number: O64416
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 15, 1998
Last sequence update: August 1, 1998
Last modified: January 7, 2015
This is version 71 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

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.