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Protein

Ribulose bisphosphate carboxylase small chain

Gene
N/A
Organism
Populus trichocarpa (Western balsam poplar) (Populus balsamifera subsp. trichocarpa)
Status
Unreviewed-Annotation score: Annotation score: 2 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.UniRule annotation

Catalytic activityi

2 3-phospho-D-glycerate + 2 H+ = D-ribulose 1,5-bisphosphate + CO2 + H2O.UniRule annotationSAAS annotation
3-phospho-D-glycerate + 2-phosphoglycolate = D-ribulose 1,5-bisphosphate + O2.UniRule annotationSAAS annotation

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLyaseUniRule annotationSAAS annotation, MonooxygenaseUniRule annotationSAAS annotation, Oxidoreductase
Biological processCarbon dioxide fixationUniRule annotationSAAS annotation, PhotorespirationUniRule annotation, PhotosynthesisUniRule annotationSAAS annotation

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase small chainUniRule annotation (EC:4.1.1.39UniRule annotation)
OrganismiPopulus trichocarpa (Western balsam poplar) (Populus balsamifera subsp. trichocarpa)Imported
Taxonomic identifieri3694 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsMalpighialesSalicaceaeSaliceaePopulus

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

PlastidUniRule annotation

Interactioni

Subunit structurei

8 large chains + 8 small chains.UniRule annotationSAAS annotation

Structurei

3D structure databases

ProteinModelPortaliA9PI67.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini60 – 168RuBisCO_smallInterPro annotationAdd BLAST109

Sequence similaritiesi

Belongs to the RuBisCO small chain family.UniRule annotationSAAS annotation

Phylogenomic databases

eggNOGiENOG410XYAR. LUCA.
InParanoidiA9PI67.

Family and domain databases

Gene3Di3.30.190.10. 1 hit.
InterProiView protein in InterPro
IPR024681. RuBisCO_sc.
IPR000894. RuBisCO_sc_dom.
PfamiView protein in Pfam
PF00101. RuBisCO_small. 1 hit.
PRINTSiPR00152. RUBISCOSMALL.
SMARTiView protein in SMART
SM00961. RuBisCO_small. 1 hit.
SUPFAMiSSF55239. SSF55239. 1 hit.

Sequencei

Sequence statusi: Complete.

A9PI67-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSAGIFAASA VAAPGYHGLR ALPTKQPFAT KNSVARSSRT VSNGSKTFCM
60 70 80 90 100
KTWNPINNKK FEALSYLPPL SEDSIAKEID YMMKKGWIPC LEFDEVGSVR
110 120 130 140 150
REHSRMPGYY DGRYWTLWKL PMFGCTDSSQ VLEEIHECKK AYPDAYIRCL
160 170
AFDNKHQGQC MAFVIQKPGN
Length:170
Mass (Da):19,202
Last modified:February 5, 2008 - v1
Checksum:i2105A61A4803E122
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
EF148086 mRNA. Translation: ABK96070.1.

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.

Entry informationi

Entry nameiA9PI67_POPTR
AccessioniPrimary (citable) accession number: A9PI67
Entry historyiIntegrated into UniProtKB/TrEMBL: February 5, 2008
Last sequence update: February 5, 2008
Last modified: July 5, 2017
This is version 64 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)