ID B6IYM6_RHOCS Unreviewed; 487 AA.
AC B6IYM6;
DT 16-DEC-2008, integrated into UniProtKB/TrEMBL.
DT 16-DEC-2008, sequence version 1.
DT 24-JAN-2024, entry version 86.
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=cbbL1 {ECO:0000313|EMBL:ACJ01400.1};
GN Synonyms=cbbL {ECO:0000256|HAMAP-Rule:MF_01338};
GN OrderedLocusNames=RC1_4061 {ECO:0000313|EMBL:ACJ01400.1};
OS Rhodospirillum centenum (strain ATCC 51521 / SW).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Rhodospirillaceae; Rhodospirillum.
OX NCBI_TaxID=414684 {ECO:0000313|EMBL:ACJ01400.1, ECO:0000313|Proteomes:UP000001591};
RN [1] {ECO:0000313|Proteomes:UP000001591}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51521 / SW {ECO:0000313|Proteomes:UP000001591};
RA Touchman J.W., Bauer C., Blankenship R.E.;
RT "Genome sequence of Rhodospirillum centenum.";
RL Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ACJ01400.1, ECO:0000313|Proteomes:UP000001591}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51521 / SW {ECO:0000313|Proteomes:UP000001591};
RX PubMed=20500872; DOI=10.1186/1471-2164-11-325;
RA Lu Y.K., Marden J., Han M., Swingley W.D., Mastrian S.D., Chowdhury S.R.,
RA Hao J., Helmy T., Kim S., Kurdoglu A.A., Matthies H.J., Rollo D.,
RA Stothard P., Blankenship R.E., Bauer C.E., Touchman J.W.;
RT "Metabolic flexibility revealed in the genome of the cyst-forming alpha-1
RT proteobacterium Rhodospirillum centenum.";
RL BMC Genomics 11:325-325(2010).
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}.
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DR EMBL; CP000613; ACJ01400.1; -; Genomic_DNA.
DR RefSeq; WP_012569173.1; NC_011420.2.
DR AlphaFoldDB; B6IYM6; -.
DR STRING; 414684.RC1_4061; -.
DR KEGG; rce:RC1_4061; -.
DR eggNOG; COG1850; Bacteria.
DR HOGENOM; CLU_031450_2_0_5; -.
DR OMA; IHGHPDG; -.
DR OrthoDB; 9764279at2; -.
DR Proteomes; UP000001591; Chromosome.
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}; Photosynthesis {ECO:0000256|HAMAP-Rule:MF_01338};
KW Reference proteome {ECO:0000313|Proteomes:UP000001591}.
FT DOMAIN 28..148
FT /note="Ribulose bisphosphate carboxylase large subunit
FT ferrodoxin-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02788"
FT DOMAIN 158..465
FT /note="Ribulose bisphosphate carboxylase large subunit C-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF00016"
FT ACT_SITE 179
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT ACT_SITE 297
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 127
FT /ligand="substrate"
FT /note="in homodimeric partner"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 177
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 181
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 205
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 207
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 208
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 298
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 330
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 382
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT SITE 337
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT MOD_RES 205
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
SQ SEQUENCE 487 AA; 54092 MW; 5CA7C2B73054AE37 CRC64;
MDTRVSGDQL DAKARYKPGV LKYRQMGYWV PDYEPKDTDV LAVFRITPQD GVDAEEAAAA
VAGESSTATW TVVWTDRLTN CDHYRAKAYR VDPVPGSPGQ YFAYIAYDLD LFEEGSIANL
TASIIGNVFG FKPLKALRLE DMRIPVAYLK TFQGPATGIV VERERLNVYG RPLLGATMKP
KLGLSGRNYG RVVYEALKGG LDFTKDDENI NSQPFMHWRD RFLYCMEGVN RAMAETGEVK
GTYLNVTAAT MEDMYERAEF AKELGSVIIM IDLVIGYTAI QSMAKWARKN DMILHLHRAG
HSTYTRQKSH GVSFRVIAKW MRMAGVDHIH AGTVVGKLEG DPNVIRGVYD TCRETHVPQN
LQHGIFFDQP WASLKKLMPV ASGGIHAGQM HQLLTYLGED VVLQFGGGTI GHPEGIQAGA
TANRVALEAM VKARNEGRDI WNEGPQILQD AARWCGPLRA ALETWKDVTF DYASTDSVDF
VPTPTPA
//