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Protein

Ribulose bisphosphate carboxylase small chain SSU40A, chloroplastic

Gene

SSU40A

Organism
Lemna gibba (Swollen duckweed)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-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

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 SSU40A, chloroplastic (EC:4.1.1.39)
Short name:
RuBisCO small subunit SSU40A
Gene namesi
Name:SSU40A
OrganismiLemna gibba (Swollen duckweed)
Taxonomic identifieri4470 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaAraceaeLemnoideaeLemna

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei1 – 57ChloroplastBy similarityAdd BLAST57
ChainiPRO_000003151458 – 177Ribulose bisphosphate carboxylase small chain SSU40A, chloroplasticAdd BLAST120

Proteomic databases

PRIDEiP19309.

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Structurei

3D structure databases

ProteinModelPortaliP19309.
SMRiP19309.
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.
IPR024680. RuBisCO_ssu_N.
[Graphical view]
PfamiPF12338. RbcS. 1 hit.
PF00101. RuBisCO_small. 1 hit.
[Graphical view]
PRINTSiPR00152. RUBISCOSMALL.
SMARTiSM00961. RuBisCO_small. 1 hit.
[Graphical view]
SUPFAMiSSF55239. SSF55239. 1 hit.

Sequencei

Sequence statusi: Complete.

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

P19309-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASSMMASTA AAVARAGPAQ SSMVPFNACR SSVPFPATRK ANNNLSTLPG
60 70 80 90 100
NGGRVSCMQV WPPEGLKKFE TLSYLPPLSV EDLAKEVDYL LRNDWVPCIE
110 120 130 140 150
FSKEGFVYRE NHASPGYYDG RYWTMWKLPM FGCTDASQVI AEVEEAKKAY
160 170
PEYFVRIIGF DNKRQVQCIS FIAYKPT
Length:177
Mass (Da):19,802
Last modified:November 1, 1990 - v1
Checksum:iB30738631E1581A7
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X17233 Genomic DNA. Translation: CAA35102.1.
PIRiS11681. RKDWS4.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X17233 Genomic DNA. Translation: CAA35102.1.
PIRiS11681. RKDWS4.

3D structure databases

ProteinModelPortaliP19309.
SMRiP19309.
ModBaseiSearch...
MobiDBiSearch...

Proteomic databases

PRIDEiP19309.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

Gene3Di3.30.190.10. 1 hit.
InterProiIPR024681. RuBisCO_sc.
IPR000894. RuBisCO_sc_dom.
IPR024680. RuBisCO_ssu_N.
[Graphical view]
PfamiPF12338. RbcS. 1 hit.
PF00101. RuBisCO_small. 1 hit.
[Graphical view]
PRINTSiPR00152. RUBISCOSMALL.
SMARTiSM00961. RuBisCO_small. 1 hit.
[Graphical view]
SUPFAMiSSF55239. SSF55239. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiRBS3_LEMGI
AccessioniPrimary (citable) accession number: P19309
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1990
Last sequence update: November 1, 1990
Last modified: November 2, 2016
This is version 79 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Miscellaneous

This protein is coded by one member of a small multigene family.

Documents

  1. SIMILARITY comments
    Index of protein domains and families

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 one 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.