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Database: UniProt/TrEMBL
Entry: K9SCF1_9CYAN
LinkDB: K9SCF1_9CYAN
Original site: K9SCF1_9CYAN 
ID   K9SCF1_9CYAN            Unreviewed;       476 AA.
AC   K9SCF1;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   24-JAN-2024, entry version 55.
DE   RecName: Full=Ribulose bisphosphate carboxylase large chain {ECO:0000256|HAMAP-Rule:MF_01338};
DE            Short=RuBisCO large subunit {ECO:0000256|HAMAP-Rule:MF_01338};
DE            EC=4.1.1.39 {ECO:0000256|HAMAP-Rule:MF_01338};
GN   Name=cbbL {ECO:0000256|HAMAP-Rule:MF_01338};
GN   Synonyms=rbcL {ECO:0000256|HAMAP-Rule:MF_01338};
GN   ORFNames=GEI7407_3810 {ECO:0000313|EMBL:AFY68277.1};
OS   Geitlerinema sp. PCC 7407.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Geitlerinematales;
OC   Geitlerinemataceae; Geitlerinema.
OX   NCBI_TaxID=1173025 {ECO:0000313|EMBL:AFY68277.1, ECO:0000313|Proteomes:UP000010383};
RN   [1] {ECO:0000313|EMBL:AFY68277.1, ECO:0000313|Proteomes:UP000010383}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7407 {ECO:0000313|EMBL:AFY68277.1,
RC   ECO:0000313|Proteomes:UP000010383};
RG   US DOE Joint Genome Institute;
RA   Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA   Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Davenport K.,
RA   Daligault H., Erkkila T., Gu W., Munk A.C.C., Teshima H., Xu Y., Chain P.,
RA   Chen A., Krypides N., Mavromatis K., Markowitz V., Szeto E., Ivanova N.,
RA   Mikhailova N., Ovchinnikova G., Pagani I., Pati A., Goodwin L., Peters L.,
RA   Pitluck S., Woyke T., Kerfeld C.;
RT   "Finished genome of Geitlerinema sp. PCC 7407.";
RL   Submitted (MAY-2012) to the EMBL/GenBank/DDBJ databases.
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:0000256|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;
CC         Evidence={ECO:0000256|ARBA:ARBA00001067, ECO:0000256|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:0000256|HAMAP-Rule:MF_01338};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01338};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-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 subunit
CC       homodimers. {ECO:0000256|HAMAP-Rule:MF_01338}.
CC   -!- SUBCELLULAR LOCATION: Carboxysome {ECO:0000256|ARBA:ARBA00023587,
CC       ECO:0000256|HAMAP-Rule:MF_01338}.
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:0000256|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:0000256|HAMAP-Rule:MF_01338}.
CC   -!- SIMILARITY: Belongs to the RuBisCO large chain family. Type I
CC       subfamily. {ECO:0000256|HAMAP-Rule:MF_01338}.
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DR   EMBL; CP003591; AFY68277.1; -; Genomic_DNA.
DR   RefSeq; WP_015173841.1; NC_019703.1.
DR   AlphaFoldDB; K9SCF1; -.
DR   STRING; 1173025.GEI7407_3810; -.
DR   KEGG; gei:GEI7407_3810; -.
DR   PATRIC; fig|1173025.3.peg.4264; -.
DR   eggNOG; COG1850; Bacteria.
DR   HOGENOM; CLU_031450_2_0_3; -.
DR   OrthoDB; 9770811at2; -.
DR   Proteomes; UP000010383; Chromosome.
DR   GO; GO:0031470; C:carboxysome; IEA:UniProtKB-SubCell.
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:0009853; P:photorespiration; IEA:UniProtKB-KW.
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; 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_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; 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; SFLDG01052; RuBisCO; 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.
DR   PROSITE; PS00157; RUBISCO_LARGE; 1.
PE   3: Inferred from homology;
KW   Bacterial microcompartment {ECO:0000256|ARBA:ARBA00024446};
KW   Calvin cycle {ECO:0000256|ARBA:ARBA00022567, ECO:0000256|HAMAP-
KW   Rule:MF_01338};
KW   Carbon dioxide fixation {ECO:0000256|ARBA:ARBA00023300, ECO:0000256|HAMAP-
KW   Rule:MF_01338};
KW   Carboxysome {ECO:0000256|ARBA:ARBA00023669, ECO:0000256|HAMAP-
KW   Rule:MF_01338}; Disulfide bond {ECO:0000256|HAMAP-Rule:MF_01338};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01338};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01338};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01338};
KW   Monooxygenase {ECO:0000256|ARBA:ARBA00023033, ECO:0000256|HAMAP-
KW   Rule:MF_01338};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW   Rule:MF_01338}; Photorespiration {ECO:0000256|HAMAP-Rule:MF_01338};
KW   Reference proteome {ECO:0000313|Proteomes:UP000010383}.
FT   DOMAIN          25..145
FT                   /note="Ribulose bisphosphate carboxylase large subunit
FT                   ferrodoxin-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02788"
FT   DOMAIN          155..463
FT                   /note="Ribulose bisphosphate carboxylase large subunit C-
FT                   terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00016"
FT   ACT_SITE        176
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   ACT_SITE        295
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         124
FT                   /ligand="substrate"
FT                   /note="in homodimeric partner"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         174
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         178
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         202
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /note="via carbamate group"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         204
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         205
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         296
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         328
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         380
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   SITE            335
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   MOD_RES         202
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   DISULFID        248
FT                   /note="Interchain; in linked form"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
SQ   SEQUENCE   476 AA;  52994 MW;  9701BB8930C77B99 CRC64;
     MSYAQTKTQA KTGYQAGVKD YKLTYYTPDY TPKDTDILAA FRVTPQPGVP PEEAGAAVAA
     ESSTGTWTTV WTDLLTDLDR YKGRCYDIEP VRGEDNQYIC YIAYPLDLFE EGSVTNLLTS
     IVGNVFGFKA LKALRLEDLR IPVAYLKTFQ GPPHGIQVER DKINKYGRPL LGCTIKPKLG
     LSAKNYGRAV YECLRGGLDF TKDDENINSQ PFQRWRDRFL FVAEAIHKAQ AETGEVKGHY
     LNVTAPTCEE MLKRAEFAKE LGMPIIMHDF LTAGFTANTT LSKWCRDNGL LLHIHRAMHA
     VIDRQKNHGM HFRTLAKCLR MSGGDHIHTG TVVGKLEGDK AITMGFVDLL RENYVEEDKS
     RGIYFTQDWA AMPGVMAVAS GGIHVWHMPA LVEIFGDDSV LQFGGGTLGH PWGNAPGATA
     NRVALEACVQ ARNEGRDLTR EGGDIIREAA KWSPELAVAC EVWKEIKFEF ETVDTV
//
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