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Database: UniProt
Entry: Q05RH0_9SYNE
LinkDB: Q05RH0_9SYNE
Original site: Q05RH0_9SYNE 
ID   Q05RH0_9SYNE            Unreviewed;       471 AA.
AC   Q05RH0;
DT   14-NOV-2006, integrated into UniProtKB/TrEMBL.
DT   14-NOV-2006, sequence version 1.
DT   24-JAN-2024, entry version 87.
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   ECO:0000313|EMBL:EAU73310.1};
GN   ORFNames=RS9916_27404 {ECO:0000313|EMBL:EAU73310.1};
OS   Synechococcus sp. RS9916.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae;
OC   Synechococcus.
OX   NCBI_TaxID=221359 {ECO:0000313|EMBL:EAU73310.1, ECO:0000313|Proteomes:UP000004972};
RN   [1] {ECO:0000313|EMBL:EAU73310.1, ECO:0000313|Proteomes:UP000004972}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RS9916 {ECO:0000313|EMBL:EAU73310.1,
RC   ECO:0000313|Proteomes:UP000004972};
RA   Scanlan D., Ferriera S., Johnson J., Kravitz S., Halpern A., Remington K.,
RA   Beeson K., Tran B., Rogers Y.-H., Friedman R., Venter J.C.;
RL   Submitted (OCT-2006) 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       {ECO:0000256|HAMAP-Rule:MF_01338}.
CC   -!- SUBCELLULAR LOCATION: Carboxysome {ECO:0000256|ARBA:ARBA00023587,
CC       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}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_01338}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EAU73310.1}.
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DR   EMBL; AAUA01000003; EAU73310.1; -; Genomic_DNA.
DR   RefSeq; WP_007097419.1; NZ_DS022299.1.
DR   AlphaFoldDB; Q05RH0; -.
DR   STRING; 221359.RS9916_27404; -.
DR   eggNOG; COG1850; Bacteria.
DR   HOGENOM; CLU_031450_2_0_3; -.
DR   OrthoDB; 9770811at2; -.
DR   Proteomes; UP000004972; Unassembled WGS sequence.
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   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};
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:UP000004972}.
FT   DOMAIN          16..136
FT                   /note="Ribulose bisphosphate carboxylase large subunit
FT                   ferrodoxin-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02788"
FT   DOMAIN          146..454
FT                   /note="Ribulose bisphosphate carboxylase large subunit C-
FT                   terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00016"
FT   ACT_SITE        167
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   ACT_SITE        286
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         115
FT                   /ligand="substrate"
FT                   /note="in homodimeric partner"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         165
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         169
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         193
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         195
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         196
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         287
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         319
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         371
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   SITE            326
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   MOD_RES         193
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
SQ   SEQUENCE   471 AA;  52835 MW;  D8338DF99FD6B97D CRC64;
     MSKKYDAGVK EYRDTYWTPD YVPLDTDLLA CFKCTGQEGV PKEEVAAAVA AESSTGTWST
     VWSELLTDLD FYKGRCYRIE DVPGDKESFY AFIAYPLDLF EEGSITNVLT SLVGNVFGFK
     ALRHLRLEDI RFPMAFIKSC YGPPNGIQVE RDRMNKYGRP LLGCTIKPKL GLSGKNYGRV
     VYECLRGGLD FTKDDENINS QPFQRWQNRF EFVAEAIKLS EQETGERKGH YLNVTANTPE
     EMYERAEFAK ELGMPIIMHD FITGGFTANT GLSKWCRKNG MLLHIHRAMH AVIDRHPKHG
     IHFRVLAKCL RLSGGDQLHT GTVVGKLEGD RQTTLGYIDQ LRESFVPEDR SRGNFFDQDW
     GSMPGVFAVA SGGIHVWHMP ALVTIFGDDS VLQFGGGTHG HPWGSAAGAA ANRVALEACV
     KARNAGRHLE KESRDILMEA AKHSPELAIA LETWKEIKFE FDTVDKLDVQ S
//
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