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
//