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RBL_SPIMR
ID   RBL_SPIMR               Reviewed;         416 AA.
AC   P36488;
DT   01-JUN-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1996, sequence version 2.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=Ribulose bisphosphate carboxylase large chain;
DE            Short=RuBisCO large subunit;
DE            EC=4.1.1.39;
DE   Flags: Fragment;
GN   Name=rbcL;
OS   Spigelia marilandica (Woodland pinkroot) (Lonicera marilandica).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Gentianales; Loganiaceae; Spigelia.
OX   NCBI_TaxID=28544;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   AGRICOLA=IND93053816; DOI=10.2307/2399855;
RA   Olmstead R.G., Bremer B., Scott K.M., Palmer J.D.;
RT   "A parsimony analysis of the Asteridae sensu lato based on rbcL
RT   sequences.";
RL   Ann. Mo. Bot. Gard. 80:700-722(1993).
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 in the photorespiration process. Both reactions occur
CC       simultaneously and in competition at the same active site (By
CC       similarity). {ECO:0000250}.
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;
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;
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000250};
CC   -!- SUBUNIT: Heterohexadecamer of 8 large chains and 8 small chains;
CC       disulfide-linked. The disulfide link is formed within the large subunit
CC       homodimers (By similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- PTM: The disulfide bond which can form in the large chain dimeric
CC       partners within the hexadecamer appears to be associated with oxidative
CC       stress and protein turnover. {ECO:0000250}.
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' (By
CC       similarity). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the RuBisCO large chain family. Type I
CC       subfamily. {ECO:0000305}.
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DR   EMBL; L14007; AAA84614.1; -; Genomic_DNA.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR   GO; GO:0004497; F:monooxygenase activity; IEA:UniProtKB-KW.
DR   GO; GO:0016984; F:ribulose-bisphosphate carboxylase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009853; P:photorespiration; IEA:UniProtKB-KW.
DR   GO; GO:0019253; P:reductive pentose-phosphate cycle; IEA:UniProtKB-KW.
DR   Gene3D; 3.20.20.110; -; 1.
DR   Gene3D; 3.30.70.150; -; 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   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; Chloroplast; Disulfide bond; Lyase;
KW   Magnesium; Metal-binding; Methylation; Monooxygenase; Oxidoreductase;
KW   Photorespiration; Photosynthesis; Plastid.
FT   CHAIN           <1..>416
FT                   /note="Ribulose bisphosphate carboxylase large chain"
FT                   /id="PRO_0000062597"
FT   ACT_SITE        166
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        285
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250"
FT   BINDING         114
FT                   /ligand="substrate"
FT                   /note="in homodimeric partner"
FT                   /evidence="ECO:0000250"
FT   BINDING         164
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         168
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         192
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10114"
FT   BINDING         194
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10114"
FT   BINDING         195
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10114"
FT   BINDING         286
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         318
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         370
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   SITE            325
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000250"
FT   MOD_RES         5
FT                   /note="N6,N6,N6-trimethyllysine"
FT                   /evidence="ECO:0000250"
FT   MOD_RES         192
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10114"
FT   DISULFID        238
FT                   /note="Interchain; in linked form"
FT                   /evidence="ECO:0000250"
FT   NON_TER         1
FT   NON_TER         416
SQ   SEQUENCE   416 AA;  46103 MW;  E568880C84752595 CRC64;
     SVGFKAGVKE YKLTYYTPEY ETKDTDILAA FRVTPQPGVP PEEAGAAVAA ESSTGTWTTV
     WTDGLTSLDR YKGRCYHIEP VPGEEDQYIA YVAYPLDLFE EGSVTNMFTS IVGNVFGFKA
     LRALRLEDLR IPVAYVKTFQ GPPHGIQVER DKLNKYGRPL LGCTIKPKLG LSAKNYGRAV
     YECLRGGLDF TKDDENVNSQ PFMRWRDRFL FCTEALFKAQ VETGEIKGHY LNATAGTCEE
     MMKRAVFARE LGVPIIMHDY LTGGFTANTT LAHYCRDNGL LLHIHRAMHA VIDRQKNHGM
     HFRVLAKGLR MSGGDHIHAG TVVGKLEGER DITLGFVDLL RDDFIEKDRS RGIYFTQDWV
     SLPGVIPVAS GGIHVXHMPA LTEIFGDDSV LQXGGGTLXX PWGNAPXAVA NRVALX
 
 
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