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Database: UniProt
Entry: S9QIT1_9RHOB
LinkDB: S9QIT1_9RHOB
Original site: S9QIT1_9RHOB 
ID   S9QIT1_9RHOB            Unreviewed;       487 AA.
AC   S9QIT1;
DT   16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT   16-OCT-2013, sequence version 1.
DT   24-JAN-2024, entry version 51.
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   ORFNames=Salmuc_04596 {ECO:0000313|EMBL:EPX79483.1};
OS   Salipiger mucosus DSM 16094.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC   Roseobacteraceae; Salipiger.
OX   NCBI_TaxID=1123237 {ECO:0000313|EMBL:EPX79483.1, ECO:0000313|Proteomes:UP000015347};
RN   [1] {ECO:0000313|Proteomes:UP000015347}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 16094 {ECO:0000313|Proteomes:UP000015347};
RX   PubMed=25197501; DOI=10.4056/sigs.4909790;
RA   Riedel T., Spring S., Fiebig A., Petersen J., Kyrpides N.C., Goker M.,
RA   Klenk H.P.;
RT   "Genome sequence of the exopolysaccharide-producing Salipiger mucosus type
RT   strain (DSM 16094(T)), a moderately halophilic member of the Roseobacter
RT   clade.";
RL   Stand. Genomic Sci. 9:1331-1343(2014).
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: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   -!- 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:EPX79483.1}.
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DR   EMBL; APVH01000037; EPX79483.1; -; Genomic_DNA.
DR   RefSeq; WP_020040616.1; NZ_KE557278.1.
DR   AlphaFoldDB; S9QIT1; -.
DR   STRING; 1123237.Salmuc_04596; -.
DR   eggNOG; COG1850; Bacteria.
DR   HOGENOM; CLU_031450_2_0_5; -.
DR   OrthoDB; 9764279at2; -.
DR   Proteomes; UP000015347; Unassembled WGS sequence.
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; 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   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   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}; Reference proteome {ECO:0000313|Proteomes:UP000015347}.
FT   DOMAIN          27..147
FT                   /note="Ribulose bisphosphate carboxylase large subunit
FT                   ferrodoxin-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02788"
FT   DOMAIN          157..464
FT                   /note="Ribulose bisphosphate carboxylase large subunit C-
FT                   terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00016"
FT   ACT_SITE        178
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   ACT_SITE        296
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         126
FT                   /ligand="substrate"
FT                   /note="in homodimeric partner"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         176
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         180
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         204
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         206
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         207
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         297
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         329
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         381
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   SITE            336
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   MOD_RES         204
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
SQ   SEQUENCE   487 AA;  53683 MW;  BF579CB222886EDA CRC64;
     MLDNAKTVTD AKKRYSAGVM KYAQMGYWEP DYTPSDTDII ALFRITPQDG VDEIEAAAAV
     AGESSTATWT VVWTDRLTAC DKYRAKAYRV DPVPNSPGEF FAYIAYDLDL FEPGSIANLT
     ASIIGNVFGF KPLKALRLED MRLPVAYVKT FQGPATGIVV ERERLNAYGR PLLGATVKPK
     LGLSGRNYGR VVYEALKGGL DFTKDDENIN SQPFMHWRDR FLYCMEAVNR ASAATGEVKG
     TYLNITAGTM EEMYARAEFA KSLGSVIIMI DLVIGYTAIQ SMAKWARDND MILHLHRAGH
     STYTRQRSHG VSFRVIAKWM RLAGVDHLHA GTVVGKLEGD PATTKGYYDI FREEYNPMAL
     ENGVFFDQDW ASLNKMMPVA SGGIHAGQMH QLLTYLGEDV VLQFGGGTIG HPHGIEAGAT
     ANRVALEAMV FARNAGRDIW NEGSDILRDA AQTCTPLKQA LETWKDVTFD YASTDAPDFA
     PTPEVSA
//
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