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Protein

Ribulose bisphosphate carboxylase small chain

Gene

cbbS

Organism
Halothiobacillus neapolitanus (strain ATCC 23641 / c2) (Thiobacillus neapolitanus)
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.

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

Enzyme and pathway databases

BRENDAi4.1.1.39 6349

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase small chain (EC:4.1.1.39)
Short name:
RuBisCO small subunit
Gene namesi
Name:cbbS
Synonyms:rbcS
Ordered Locus Names:Hneap_0921
OrganismiHalothiobacillus neapolitanus (strain ATCC 23641 / c2) (Thiobacillus neapolitanus)
Taxonomic identifieri555778 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaChromatialesHalothiobacillaceaeHalothiobacillus
Proteomesi
  • UP000009102 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001986311 – 110Ribulose bisphosphate carboxylase small chainAdd BLAST110

Interactioni

Subunit structurei

8 large chains + 8 small chains.

Protein-protein interaction databases

STRINGi555778.Hneap_0921

Structurei

Secondary structure

1110
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

ProteinModelPortaliP45686
SMRiP45686
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP45686

Family & Domainsi

Sequence similaritiesi

Belongs to the RuBisCO small chain family.Curated

Phylogenomic databases

eggNOGiENOG4108VFZ Bacteria
COG4451 LUCA
HOGENOMiHOG000141332
KOiK01602
OMAiWNPAIEH
OrthoDBiPOG091H13LH

Family and domain databases

Gene3Di3.30.190.10, 1 hit
InterProiView protein in InterPro
IPR000894 RuBisCO_sc_dom
IPR036385 RuBisCO_ssu_sf
PfamiView protein in Pfam
PF00101 RuBisCO_small, 1 hit
SMARTiView protein in SMART
SM00961 RuBisCO_small, 1 hit
SUPFAMiSSF55239 SSF55239, 1 hit

Sequencei

Sequence statusi: Complete.

P45686-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAEMQDYKQS LKYETFSYLP PMNAERIRAQ IKYAIAQGWS PGIEHVEVKN
60 70 80 90 100
SMNQYWYMWK LPFFGEQNVD NVLAEIEACR SAYPTHQVKL VAYDNYAQSL
110
GLAFVVYRGN
Length:110
Mass (Da):12,855
Last modified:November 1, 1995 - v1
Checksum:i9C4F1AB8D29B104D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF038430 Genomic DNA Translation: AAC32550.1
CP001801 Genomic DNA Translation: ACX95764.1
RefSeqiWP_012823800.1, NC_013422.1

Genome annotation databases

EnsemblBacteriaiACX95764; ACX95764; Hneap_0921
KEGGihna:Hneap_0921

Similar proteinsi

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF038430 Genomic DNA Translation: AAC32550.1
CP001801 Genomic DNA Translation: ACX95764.1
RefSeqiWP_012823800.1, NC_013422.1

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1SVDX-ray1.80M1-110[»]
ProteinModelPortaliP45686
SMRiP45686
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi555778.Hneap_0921

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiACX95764; ACX95764; Hneap_0921
KEGGihna:Hneap_0921

Phylogenomic databases

eggNOGiENOG4108VFZ Bacteria
COG4451 LUCA
HOGENOMiHOG000141332
KOiK01602
OMAiWNPAIEH
OrthoDBiPOG091H13LH

Enzyme and pathway databases

BRENDAi4.1.1.39 6349

Miscellaneous databases

EvolutionaryTraceiP45686

Family and domain databases

Gene3Di3.30.190.10, 1 hit
InterProiView protein in InterPro
IPR000894 RuBisCO_sc_dom
IPR036385 RuBisCO_ssu_sf
PfamiView protein in Pfam
PF00101 RuBisCO_small, 1 hit
SMARTiView protein in SMART
SM00961 RuBisCO_small, 1 hit
SUPFAMiSSF55239 SSF55239, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiRBS_HALNC
AccessioniPrimary (citable) accession number: P45686
Secondary accession number(s): D0KZ91
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1995
Last sequence update: November 1, 1995
Last modified: February 28, 2018
This is version 93 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
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Main funding by: National Institutes of Health

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