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Protein

Ribulose bisphosphate carboxylase

Gene

rbcL

Organism
Methanotorris igneus (strain DSM 5666 / JCM 11834 / Kol 5)
Status
Unreviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Catalyzes the addition of molecular CO2 and H2O to ribulose 1,5-bisphosphate (RuBP), generating two molecules of 3-phosphoglycerate (3-PGA). Functions in an archaeal AMP degradation pathway, together with AMP phosphorylase and R15P isomerase.UniRule annotation

Miscellaneous

Because the Archaea possessing a type III RuBisCO are all anaerobic, it is most likely that only the carboxylase activity of RuBisCO, and not the competitive oxygenase activity (by which RuBP reacts with O2 to form one molecule of 3-phosphoglycerate and one molecule of 2-phosphoglycolate), is biologically relevant in these strains.UniRule annotation

Catalytic activityi

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

Cofactori

Mg2+UniRule annotationNote: Binds 1 Mg2+ ion per subunit.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei153Proton acceptorUniRule annotation1
Binding sitei155SubstrateUniRule annotation1
Metal bindingi179Magnesium; via carbamate groupUniRule annotation1
Metal bindingi181MagnesiumUniRule annotation1
Metal bindingi182MagnesiumUniRule annotation1
Active sitei269Proton acceptorUniRule annotation1
Binding sitei270SubstrateUniRule annotation1
Binding sitei302SubstrateUniRule annotation1
Sitei309Transition state stabilizerUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLyaseUniRule annotationImported, OxidoreductaseUniRule annotation
Biological processCarbon dioxide fixationUniRule annotation
LigandMagnesiumUniRule annotation, Metal-bindingUniRule annotation

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylaseUniRule annotation (EC:4.1.1.39UniRule annotation)
Short name:
RuBisCOUniRule annotation
Gene namesi
Name:rbcLUniRule annotation
Ordered Locus Names:Metig_1280Imported
OrganismiMethanotorris igneus (strain DSM 5666 / JCM 11834 / Kol 5)Imported
Taxonomic identifieri880724 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaMethanococciMethanococcalesMethanocaldococcaceaeMethanotorris
Proteomesi
  • UP000009227 Componenti: Chromosome

PTM / Processingi

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei179N6-carboxylysineUniRule annotation1

Interactioni

Subunit structurei

Homodimer or homodecamer. In contrast to form I RuBisCO, the form III RuBisCO is composed solely of large subunits.UniRule annotation

Protein-protein interaction databases

STRINGi880724.Metig_1280.

Structurei

3D structure databases

ProteinModelPortaliF6BEM0.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini2 – 122RuBisCO_large_NInterPro annotationAdd BLAST121
Domaini132 – 424RuBisCO_largeInterPro annotationAdd BLAST293

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni353 – 355Substrate bindingUniRule annotation3
Regioni375 – 378Substrate bindingUniRule annotation4

Sequence similaritiesi

Belongs to the RuBisCO large chain family. Type III subfamily.UniRule annotation

Phylogenomic databases

eggNOGiarCOG04443. Archaea.
COG1850. LUCA.
KOiK01601.
OMAiHRAMHAA.
OrthoDBiPOG093Z02MJ.

Family and domain databases

Gene3Di3.20.20.110. 1 hit.
3.30.70.150. 1 hit.
HAMAPiMF_01133. RuBisCO_L_type3. 1 hit.
InterProiView protein in InterPro
IPR033966. RuBisCO.
IPR017712. RuBisCO_III.
IPR000685. RuBisCO_lsu_C.
IPR017443. RuBisCO_lsu_fd_N.
PfamiView protein in Pfam
PF00016. RuBisCO_large. 1 hit.
PF02788. RuBisCO_large_N. 1 hit.
SFLDiSFLDS00014. RuBisCO. 1 hit.
SUPFAMiSSF51649. SSF51649. 1 hit.
SSF54966. SSF54966. 1 hit.
TIGRFAMsiTIGR03326. rubisco_III. 1 hit.

Sequencei

Sequence statusi: Complete.

F6BEM0-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MDYVDLNYTP SENDLLSCIR VKAKNLMKVA NEIAAESSIG TWTKVQTMKS
60 70 80 90 100
DVYEKLRPKV YEIEEIGEEG ESKVGIIKIA YPLDAFEIEN MPGTLAGIAG
110 120 130 140 150
NIFGMKIVDG LRILDYRFPE KFVKAYRGPR YGIDGIRKLL KVEERPLLGT
160 170 180 190 200
IVKPKVGLKT DEFAEVAYNA WIGGCDIVKD DENLVSQSFN KFEDRIFKVL
210 220 230 240 250
ELRDKAEEET GEKKIYMPNI TAPYREMIKR AELAEDAGSE YVMLDVVVLG
260 270 280 290 300
FSAVQQFREE DFKFVIHAHR AMHAAITRSK DWGITMLTLA KIYRLLGVDQ
310 320 330 340 350
LHIGTVVGKM EGERAEVCAI RDEIVLDKVE KDDKNKFFDQ DWFGMNNVFP
360 370 380 390 400
VASGGVYPKL VPEIIEILGK DVIIQAGGGI HGHPEGTVKG AIAMRAAIDA
410 420
VMEGKSLEEK AEEVKELKVA LEHWK
Length:425
Mass (Da):47,770
Last modified:July 27, 2011 - v1
Checksum:i15C5FA76C0A0A0EA
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP002737 Genomic DNA. Translation: AEF96817.1.
RefSeqiWP_013799414.1. NC_015562.1.

Genome annotation databases

EnsemblBacteriaiAEF96817; AEF96817; Metig_1280.
GeneIDi10644143.
KEGGimig:Metig_1280.

Similar proteinsi

Entry informationi

Entry nameiF6BEM0_METIK
AccessioniPrimary (citable) accession number: F6BEM0
Entry historyiIntegrated into UniProtKB/TrEMBL: July 27, 2011
Last sequence update: July 27, 2011
Last modified: September 27, 2017
This is version 39 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteomeImported