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Database: UniProt/SWISS-PROT
Entry: RBL_CITSI
LinkDB: RBL_CITSI
Original site: RBL_CITSI 
ID   RBL_CITSI               Reviewed;         475 AA.
AC   Q09MH0;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   25-OCT-2017, entry version 54.
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};
DE   Flags: Precursor;
GN   Name=rbcL {ECO:0000255|HAMAP-Rule:MF_01338};
OS   Citrus sinensis (Sweet orange) (Citrus aurantium var. sinensis).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliophyta; eudicotyledons; Gunneridae;
OC   Pentapetalae; rosids; malvids; Sapindales; Rutaceae; Aurantioideae;
OC   Citrus.
OX   NCBI_TaxID=2711;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Osbeck var. Ridge Pineapple;
RX   PubMed=17010212; DOI=10.1186/1471-2229-6-21;
RA   Bausher M.G., Singh N.D., Lee S.-B., Jansen R.K., Daniell H.;
RT   "The complete chloroplast genome sequence of Citrus sinensis (L.)
RT   Osbeck var 'Ridge Pineapple': organization and phylogenetic
RT   relationships to other angiosperms.";
RL   BMC Plant Biol. 6:21-21(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 in the photorespiration process. Both reactions occur
CC       simultaneously and in competition at the same active site.
CC       {ECO:0000255|HAMAP-Rule:MF_01338}.
CC   -!- CATALYTIC ACTIVITY: 2 3-phospho-D-glycerate + 2 H(+) = D-ribulose
CC       1,5-bisphosphate + CO(2) + H(2)O. {ECO:0000255|HAMAP-
CC       Rule:MF_01338}.
CC   -!- CATALYTIC ACTIVITY: 3-phospho-D-glycerate + 2-phosphoglycolate =
CC       D-ribulose 1,5-bisphosphate + O(2). {ECO:0000255|HAMAP-
CC       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-
CC       Rule:MF_01338};
CC   -!- SUBUNIT: Heterohexadecamer of 8 large chains and 8 small chains;
CC       disulfide-linked. The disulfide link is formed within the large
CC       subunit homodimers. {ECO:0000255|HAMAP-Rule:MF_01338}.
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
CC       oxidative stress and protein turnover. {ECO:0000255|HAMAP-
CC       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
CC       RuBisCO this homodimer is arranged in a barrel-like tetramer with
CC       the small subunits forming a tetrameric "cap" on each end of the
CC       "barrel". {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}.
DR   EMBL; DQ864733; ABI49028.1; -; Genomic_DNA.
DR   RefSeq; YP_740483.1; NC_008334.1.
DR   ProteinModelPortal; Q09MH0; -.
DR   SMR; Q09MH0; -.
DR   PRIDE; Q09MH0; -.
DR   GeneID; 4271213; -.
DR   KEGG; cit:4271213; -.
DR   KO; K01601; -.
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   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   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   Acetylation; Calvin cycle; Carbon dioxide fixation; Chloroplast;
KW   Disulfide bond; Lyase; Magnesium; Metal-binding; Methylation;
KW   Monooxygenase; Oxidoreductase; Photorespiration; Photosynthesis;
KW   Plastid.
FT   PROPEP        1      2       {ECO:0000255|HAMAP-Rule:MF_01338}.
FT                                /FTId=PRO_0000275355.
FT   CHAIN         3    475       Ribulose bisphosphate carboxylase large
FT                                chain.
FT                                /FTId=PRO_0000275356.
FT   ACT_SITE    175    175       Proton acceptor. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   ACT_SITE    294    294       Proton acceptor. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   METAL       201    201       Magnesium; via carbamate group.
FT                                {ECO:0000255|HAMAP-Rule:MF_01338}.
FT   METAL       203    203       Magnesium. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   METAL       204    204       Magnesium. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   BINDING     123    123       Substrate; in homodimeric partner.
FT                                {ECO:0000255|HAMAP-Rule:MF_01338}.
FT   BINDING     173    173       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   BINDING     177    177       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   BINDING     295    295       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   BINDING     327    327       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   BINDING     379    379       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   SITE        334    334       Transition state stabilizer.
FT                                {ECO:0000255|HAMAP-Rule:MF_01338}.
FT   MOD_RES       3      3       N-acetylproline. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   MOD_RES      14     14       N6,N6,N6-trimethyllysine.
FT                                {ECO:0000255|HAMAP-Rule:MF_01338}.
FT   MOD_RES     201    201       N6-carboxylysine. {ECO:0000255|HAMAP-
FT                                Rule:MF_01338}.
FT   DISULFID    247    247       Interchain; in linked form.
FT                                {ECO:0000255|HAMAP-Rule:MF_01338}.
SQ   SEQUENCE   475 AA;  52519 MW;  B5393AAC7C777C1A CRC64;
     MSPQTETKAS VGFKAGVKDY KLTYYTPDYV TKDTDILAAF RVTPQPGVPP EEAGAAVAAE
     SSTGTWTAVW TDGLTSLDRY KGRCYNIEPV AGEENQYICY VAYPLDLFEE GSVTNMFTSI
     VGNVFGFKAL RALRLEDLRI PPAYTKTFQG PPHGIQVERD KLNKYGRPLL GCTIKPKLGL
     SAKNYGRAVY ECLRGGLDFT KDDENVNSQP FMRWRDRFLF CAEALYKAQA ETGEIKGHYL
     NATAGTCEEM LKRAVFAREL GVPIVMHDYL TGGFTANTTL AHYCRDNGLL LHIHRAMHAV
     IDRQKNHGMH FRVLAKALRL SGGDHIHAGT VVGKLEGERD ITLGFVDLLR DDFVEKDRSR
     GIYFTQDWVS IPGVIPVASG GIHVWHMPAL TEIFGDDSVL QFGGGTLGHP WGNAPGAVAN
     RVALEACVQA RNEGRDLARE GNEIIREASK WSPELAAACE VWKSIKFEFA AMDTL
//
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