Reviewed,
UniProtKB/Swiss-Prot P10798 (RBS3B_ARATH)
Last modified
November 25, 2008.
Version 85.
History...
Clusters with 100%,
90%,
50% identity |
Documents (3) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Ribulose bisphosphate carboxylase small chain 3B, chloroplastic Short name=RuBisCO small subunit 3B EC=4.1.1.39 | ||||||||
| Gene names |
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| Organism | Arabidopsis thaliana (Mouse-ear cress) [Complete proteome] | ||||||||
| Taxonomic identifier | 3702 [NCBI] | ||||||||
| Taxonomic lineage | Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › rosids › eurosids II › Brassicales › Brassicaceae › Arabidopsis |
Protein attributes
| Sequence length | 181 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at protein level. |
General annotation (Comments)
| Function | 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. |
| Catalytic activity | 2 3-phospho-D-glycerate + 2 H(+) = D-ribulose 1,5-bisphosphate + CO(2) + H(2)O. 3-phospho-D-glycerate + 2-phosphoglycolate = D-ribulose 1,5-bisphosphate + O(2). |
| Subunit structure | 8 large chains + 8 small chains. |
| Subcellular location | |
| Miscellaneous | There are four genes coding for RBS in Arabidopsis thaliana. |
| Sequence similarities | Belongs to the RuBisCO small chain family. |
Ontologies
Keywords | |
|---|---|
| Biological process | Calvin cycle Carbon dioxide fixation Photorespiration Photosynthesis |
| Cellular component | Chloroplast Plastid |
| Coding sequence diversity | Alternative splicing |
| Domain | Transit peptide |
| Molecular function | Lyase Monooxygenase Oxidoreductase |
| Technical term | Complete proteome |
Gene Ontology (GO) | |
| Biological process | oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW photorespirationInferred from electronic annotation. Source: UniProtKB-KW reductive pentose-phosphate cycleInferred from electronic annotation. Source: UniProtKB-KW |
| Cellular component | chloroplast ribulose bisphosphate carboxylase complex Inferred from electronic annotation. Source: InterPro |
| Molecular function | monooxygenase activity Inferred from electronic annotation. Source: UniProtKB-KW protein bindingInferred from physical interaction. Source: IntAct ribulose-bisphosphate carboxylase activityInferred from electronic annotation. Source: InterPro |
| Complete GO annotation... | |
Alternative products
| This entry describes 1 isoform produced by alternative splicing. [Select] Notes: A number of isoforms are produced. According to EST sequences. | ||||||
| Isoform 1 (identifier: P10798-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. |
Sequence annotation (Features)
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Four genes in two diverged subfamilies encode the ribulose-1,5-bisphosphate carboxylase small subunit polypeptides of Arabidopsis thaliana." Krebbers E., Seurinck J., Herdies L., Cashmore A.R., Timko M.P. Plant Mol. Biol. 11:745-759(1988) [Agricola: IND91035191] Cited for: NUCLEOTIDE SEQUENCE. Strain: cv. Columbia K85. |
| [2] | "Structural analysis of Arabidopsis thaliana chromosome 5. I. Sequence features of the 1.6 Mb regions covered by twenty physically assigned P1 clones." Sato S., Kotani H., Nakamura Y., Kaneko T., Asamizu E., Fukami M., Miyajima N., Tabata S. DNA Res. 4:215-230(1997) [PubMed: 9330910] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: cv. Columbia. |
| [3] | "Empirical analysis of transcriptional activity in the Arabidopsis genome." Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M., Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G., Liu S.X., Lam B., Sakano H., Wu T., Yu G. Ecker J.R.Science 302:842-846(2003) [PubMed: 14593172] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Strain: cv. Columbia. |
Cross-references
Sequence databases | |
|---|---|
| X14564 Genomic DNA. Translation: CAA32702.1. AB005248 Genomic DNA. Translation: BAB09353.1. AF360124 mRNA. Translation: AAK25834.1. AY054552 mRNA. Translation: AAK96743.1. AY051025 mRNA. Translation: AAK93702.1. AF410314 mRNA. Translation: AAK95300.1. AF462822 mRNA. Translation: AAL58912.1. AY064686 mRNA. Translation: AAL47390.1. AY098970 mRNA. Translation: AAM19980.1. BT000721 mRNA. Translation: AAN31863.1. | |
| PIR | RKMUB3. S03719. |
| RefSeq | NP_198657.1. |
| UniGene | At.24772 At.71421 |
3D structure databases | |
| SMR | P10798. Positions 56-178. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | P10798. |
2-D gel databases | |
| SWISS-2DPAGE | P99057. |
Genome annotation databases | |
| GeneID | 833828. |
| GenomeReviews | Gene locus AT5G38410 in contig BA000015_GR. |
| NMPDR | fig|3702.1.peg.25533. |
Organism-specific databases | |
| TAIR | At5g38410. |
Gene expression databases | |
| ArrayExpress | P10798. |
Family and domain databases | |
| InterPro | IPR000894. RuBisCO_sc. [Graphical view] |
| Gene3D | G3DSA:3.30.190.10. RuBisCO_small. 1 hit. |
| Pfam | PF00101. RuBisCO_small. 1 hit. [Graphical view] |
| PRINTS | PR00152. RUBISCOSMALL. |
| ProDom | PD000290. RuBisCO_small. 1 hit. [Graphical view] [Entries sharing at least one domain] |
| ProtoNet | Search... |
Entry information
| Entry name | RBS3B_ARATH | ||||||||
| Accession | Primary (citable) accession number: P10798 Secondary accession number(s): Q9FF21 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | PPAP (Plant Proteome Annotation Project) | ||||||||
Relevant documents
| Arabidopsis thaliana Arabidopsis thaliana: entries and gene names |
| UniProtKB secondary accession numbers Index of UniProtKB secondary accession numbers |
| SIMILARITY comments Index of protein domains and families |

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