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Entry: RBL_METJA
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Original site: RBL_METJA 
ID   RBL_METJA               Reviewed;         425 AA.
AC   Q58632;
DT   26-SEP-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 2.
DT   08-NOV-2023, entry version 137.
DE   RecName: Full=Ribulose bisphosphate carboxylase {ECO:0000255|HAMAP-Rule:MF_01133};
DE            Short=RuBisCO {ECO:0000255|HAMAP-Rule:MF_01133};
DE            EC=4.1.1.39 {ECO:0000255|HAMAP-Rule:MF_01133};
GN   Name=rbcL {ECO:0000255|HAMAP-Rule:MF_01133}; OrderedLocusNames=MJ1235;
OS   Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM
OS   10045 / NBRC 100440) (Methanococcus jannaschii).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanocaldococcaceae; Methanocaldococcus.
OX   NCBI_TaxID=243232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=8688087; DOI=10.1126/science.273.5278.1058;
RA   Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G.,
RA   Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R.,
RA   Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R.,
RA   Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A., Scott J.L.,
RA   Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R.,
RA   Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D.,
RA   Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P.,
RA   Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT   "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT   jannaschii.";
RL   Science 273:1058-1073(1996).
RN   [2]
RP   CATALYTIC ACTIVITY, ACTIVITY REGULATION, AND SUBUNIT.
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=10049390; DOI=10.1128/jb.181.5.1569-1575.1999;
RA   Watson G.M.F., Yu J.-P., Tabita F.R.;
RT   "Unusual ribulose 1,5-bisphosphate carboxylase/oxygenase of anoxic
RT   Archaea.";
RL   J. Bacteriol. 181:1569-1575(1999).
RN   [3]
RP   ACTIVITY REGULATION, BIOPHYSICOCHEMICAL PROPERTIES, AND SUBUNIT.
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=12730164; DOI=10.1128/jb.185.10.3049-3059.2003;
RA   Finn M.W., Tabita F.R.;
RT   "Synthesis of catalytically active form III ribulose 1,5-bisphosphate
RT   carboxylase/oxygenase in archaea.";
RL   J. Bacteriol. 185:3049-3059(2003).
CC   -!- FUNCTION: Catalyzes the addition of molecular CO(2) and H(2)O to
CC       ribulose 1,5-bisphosphate (RuBP), generating two molecules of 3-
CC       phosphoglycerate (3-PGA). Functions in an archaeal AMP degradation
CC       pathway, together with AMP phosphorylase and R15P isomerase.
CC       {ECO:0000255|HAMAP-Rule:MF_01133}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 (2R)-3-phosphoglycerate + 2 H(+) = CO2 + D-ribulose 1,5-
CC         bisphosphate + H2O; Xref=Rhea:RHEA:23124, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:57870,
CC         ChEBI:CHEBI:58272; EC=4.1.1.39; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01133, ECO:0000269|PubMed:10049390};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-ribulose 1,5-bisphosphate + O2 = (2R)-3-phosphoglycerate +
CC         2-phosphoglycolate + 2 H(+); Xref=Rhea:RHEA:36631, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:15379, ChEBI:CHEBI:57870, ChEBI:CHEBI:58033,
CC         ChEBI:CHEBI:58272; Evidence={ECO:0000255|HAMAP-Rule:MF_01133,
CC         ECO:0000269|PubMed:10049390};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01133};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01133};
CC   -!- ACTIVITY REGULATION: Reversibly inhibited by O(2).
CC       {ECO:0000269|PubMed:10049390, ECO:0000269|PubMed:12730164}.
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Temperature dependence:
CC         Optimum temperature is 65 degrees Celsius. Highly thermostable.
CC         {ECO:0000269|PubMed:12730164};
CC   -!- SUBUNIT: Homodimer. In contrast to form I RuBisCO, the form III RuBisCO
CC       is composed solely of large subunits. {ECO:0000269|PubMed:10049390,
CC       ECO:0000269|PubMed:12730164}.
CC   -!- MISCELLANEOUS: Because the Archaea possessing a type III RuBisCO are
CC       all anaerobic, it is most likely that only the carboxylase activity of
CC       RuBisCO, and not the competitive oxygenase activity (by which RuBP
CC       reacts with O(2) to form one molecule of 3-phosphoglycerate and one
CC       molecule of 2-phosphoglycolate), is biologically relevant in these
CC       strains. {ECO:0000255|HAMAP-Rule:MF_01133}.
CC   -!- SIMILARITY: Belongs to the RuBisCO large chain family. Type III
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01133}.
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DR   EMBL; L77117; AAB99239.1; -; Genomic_DNA.
DR   RefSeq; WP_010870747.1; NC_000909.1.
DR   AlphaFoldDB; Q58632; -.
DR   SMR; Q58632; -.
DR   STRING; 243232.MJ_1235; -.
DR   PaxDb; 243232-MJ_1235; -.
DR   DNASU; 1452131; -.
DR   EnsemblBacteria; AAB99239; AAB99239; MJ_1235.
DR   GeneID; 1452131; -.
DR   KEGG; mja:MJ_1235; -.
DR   eggNOG; arCOG04443; Archaea.
DR   HOGENOM; CLU_031450_3_1_2; -.
DR   InParanoid; Q58632; -.
DR   OMA; IHGHPDG; -.
DR   OrthoDB; 52787at2157; -.
DR   PhylomeDB; Q58632; -.
DR   BRENDA; 4.1.1.39; 3260.
DR   Proteomes; UP000000805; Chromosome.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
DR   GO; GO:0016984; F:ribulose-bisphosphate carboxylase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006196; P:AMP catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0015977; P:carbon fixation; IEA:UniProtKB-KW.
DR   CDD; cd08213; RuBisCO_large_III; 1.
DR   Gene3D; 3.20.20.110; Ribulose bisphosphate carboxylase, large subunit, C-terminal domain; 1.
DR   Gene3D; 3.30.70.150; RuBisCO large subunit, N-terminal domain; 1.
DR   HAMAP; MF_01133; RuBisCO_L_type3; 1.
DR   InterPro; IPR033966; RuBisCO.
DR   InterPro; IPR017712; RuBisCO_III.
DR   InterPro; IPR000685; RuBisCO_lsu_C.
DR   InterPro; IPR036376; RuBisCO_lsu_C_sf.
DR   InterPro; IPR017443; RuBisCO_lsu_fd_N.
DR   InterPro; IPR036422; RuBisCO_lsu_N_sf.
DR   NCBIfam; TIGR03326; rubisco_III; 1.
DR   PANTHER; PTHR42704; RIBULOSE BISPHOSPHATE CARBOXYLASE; 1.
DR   PANTHER; PTHR42704:SF9; RIBULOSE BISPHOSPHATE CARBOXYLASE LARGE CHAIN; 1.
DR   Pfam; PF00016; RuBisCO_large; 1.
DR   Pfam; PF02788; RuBisCO_large_N; 1.
DR   SFLD; SFLDS00014; RuBisCO; 1.
DR   SFLD; SFLDG00301; RuBisCO-like_proteins; 1.
DR   SUPFAM; SSF51649; RuBisCo, C-terminal domain; 1.
DR   SUPFAM; SSF54966; RuBisCO, large subunit, small (N-terminal) domain; 1.
PE   1: Evidence at protein level;
KW   Carbon dioxide fixation; Lyase; Magnesium; Metal-binding; Oxidoreductase;
KW   Reference proteome.
FT   CHAIN           1..425
FT                   /note="Ribulose bisphosphate carboxylase"
FT                   /id="PRO_0000062673"
FT   ACT_SITE        153
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   ACT_SITE        269
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         155
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         179
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         181
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         182
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         270
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         302
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         353..355
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   BINDING         375..378
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   SITE            309
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
FT   MOD_RES         179
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01133"
SQ   SEQUENCE   425 AA;  47859 MW;  C6F9F1653BA76039 CRC64;
     MDYINLNYRP NEGDLLSCMV IKGENLEKLA NEIAGESSIG TWTKVQTMKS DIYEKLRPKV
     YEIKEIGEEN GYKVGLIKIA YPLYDFEINN MPGVLAGIAG NIFGMKIAKG LRILDFRFPA
     EFVKAYKGPR FGIEGVRETL KIKERPLLGT IVKPKVGLKT EEHAKVAYEA WVGGVDLVKD
     DENLTSQEFN KFEDRIYKTL EMRDKAEEET GERKAYMPNI TAPYREMIRR AEIAEDAGSE
     YVMIDVVVCG FSAVQSFREE DFKFIIHAHR AMHAAMTRSR DFGISMLALA KIYRLLGVDQ
     LHIGTVVGKM EGGEKEVKAI RDEIVYDKVE ADNENKFFNQ DWFDIKPVFP VSSGGVHPRL
     VPKIVEILGR DLIIQAGGGV HGHPDGTRAG AKAMRAAIEA IIEGKSLEEK AEEVAELKKA
     LEYWK
//
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