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RBL_NITOC
ID   RBL_NITOC               Reviewed;         492 AA.
AC   Q3JE87;
DT   03-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=Ribulose bisphosphate carboxylase large chain {ECO:0000255|HAMAP-Rule:MF_01338};
DE            Short=RuBisCO large subunit {ECO:0000255|HAMAP-Rule:MF_01338};
DE            EC=4.1.1.39 {ECO:0000255|HAMAP-Rule:MF_01338};
GN   Name=cbbL {ECO:0000255|HAMAP-Rule:MF_01338}; OrderedLocusNames=Noc_0333;
OS   Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB
OS   11848 / C-107).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Chromatiales; Chromatiaceae;
OC   Nitrosococcus.
OX   NCBI_TaxID=323261;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB 11848 / C-107;
RX   PubMed=16957257; DOI=10.1128/aem.00463-06;
RA   Klotz M.G., Arp D.J., Chain P.S.G., El-Sheikh A.F., Hauser L.J.,
RA   Hommes N.G., Larimer F.W., Malfatti S.A., Norton J.M., Poret-Peterson A.T.,
RA   Vergez L.M., Ward B.B.;
RT   "Complete genome sequence of the marine, chemolithoautotrophic, ammonia-
RT   oxidizing bacterium Nitrosococcus oceani ATCC 19707.";
RL   Appl. Environ. Microbiol. 72:6299-6315(2006).
CC   -!- FUNCTION: RuBisCO catalyzes two reactions: the carboxylation of D-
CC       ribulose 1,5-bisphosphate, the primary event in carbon dioxide
CC       fixation, as well as the oxidative fragmentation of the pentose
CC       substrate. Both reactions occur simultaneously and in competition at
CC       the same active site. {ECO:0000255|HAMAP-Rule:MF_01338}.
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_01338};
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_01338};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01338};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01338};
CC   -!- SUBUNIT: Heterohexadecamer of 8 large chains and 8 small chains.
CC       {ECO:0000255|HAMAP-Rule:MF_01338}.
CC   -!- MISCELLANEOUS: The basic functional RuBisCO is composed of a large
CC       chain homodimer in a 'head-to-tail' conformation. In form I RuBisCO
CC       this homodimer is arranged in a barrel-like tetramer with the small
CC       subunits forming a tetrameric 'cap' on each end of the 'barrel'.
CC       {ECO:0000255|HAMAP-Rule:MF_01338}.
CC   -!- SIMILARITY: Belongs to the RuBisCO large chain family. Type I
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01338}.
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DR   EMBL; CP000127; ABA56859.1; -; Genomic_DNA.
DR   RefSeq; WP_011330306.1; NC_007484.1.
DR   AlphaFoldDB; Q3JE87; -.
DR   SMR; Q3JE87; -.
DR   STRING; 323261.Noc_0333; -.
DR   EnsemblBacteria; ABA56859; ABA56859; Noc_0333.
DR   KEGG; noc:Noc_0333; -.
DR   eggNOG; COG1850; Bacteria.
DR   HOGENOM; CLU_031450_2_0_6; -.
DR   OMA; IHGHPDG; -.
DR   OrthoDB; 848380at2; -.
DR   Proteomes; UP000006838; Chromosome.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004497; F:monooxygenase activity; IEA:UniProtKB-KW.
DR   GO; GO:0016984; F:ribulose-bisphosphate carboxylase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019253; P:reductive pentose-phosphate cycle; IEA:UniProtKB-UniRule.
DR   CDD; cd08212; RuBisCO_large_I; 1.
DR   Gene3D; 3.20.20.110; -; 1.
DR   Gene3D; 3.30.70.150; -; 1.
DR   HAMAP; MF_01338; RuBisCO_L_type1; 1.
DR   InterPro; IPR033966; RuBisCO.
DR   InterPro; IPR020878; RuBisCo_large_chain_AS.
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   InterPro; IPR020888; RuBisCO_lsuI.
DR   PANTHER; PTHR42704; PTHR42704; 1.
DR   Pfam; PF00016; RuBisCO_large; 1.
DR   Pfam; PF02788; RuBisCO_large_N; 1.
DR   SFLD; SFLDS00014; RuBisCO; 1.
DR   SUPFAM; SSF51649; SSF51649; 1.
DR   SUPFAM; SSF54966; SSF54966; 1.
DR   PROSITE; PS00157; RUBISCO_LARGE; 1.
PE   3: Inferred from homology;
KW   Calvin cycle; Carbon dioxide fixation; Lyase; Magnesium; Metal-binding;
KW   Monooxygenase; Oxidoreductase; Reference proteome.
FT   CHAIN           1..492
FT                   /note="Ribulose bisphosphate carboxylase large chain"
FT                   /id="PRO_0000251450"
FT   ACT_SITE        183
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   ACT_SITE        301
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         131
FT                   /ligand="substrate"
FT                   /note="in homodimeric partner"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         181
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         185
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         209
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         211
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         212
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         302
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         334
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   BINDING         386
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   SITE            341
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT   MOD_RES         209
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
SQ   SEQUENCE   492 AA;  54381 MW;  FCE4DF553EB57229 CRC64;
     MGKSETIAEG KDRYQAGVIP YKKMGYWEPD YQPKDTDIIA MFRITPQPGV DPEEAAAAVA
     GESSTATWTV VWTDRLTDCE LYRAKAYRAD LVPNTGEGTK NEAQYFAYIA YDLDLFEPGS
     IANLTASIIG NVFGFKAVKA LRLEDMRIPV AYLKTFQGPA TGVVVERERL DKFGRPLLGA
     TTKPKLGLSG RNYGRVVYEA LKGGLDFVKD DENINSQPFM HWRDRFLYCM EAVNKASAAT
     GEVKGHYLNV TAATMEDMYE RAEFAKSLGS VIIMIDLVVG YTAIQSMAKW ARKNDMILHL
     HRAGNSTYSR QKNHGMNFRV ICKWMRMAGV DHIHAGTVVG KLEGDPLMIK GFYDTLLDSH
     TPTSLEHGLF FDQDWASLNK VMPVASGGIH AGQMHQLIQY LGEDVILQFG GGTIGHPQGI
     QAGAVANRVA LEAMILARNE GRDYVKEGPQ ILQDAAKWCS PLKAALDTWK DVTFNYESTD
     TADFVPTATA SV
 
 
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