RBL_ACTCH
ID RBL_ACTCH Reviewed; 475 AA.
AC P28377; A0A0C5CXV9; A0A166F6H0;
DT 01-DEC-1992, integrated into UniProtKB/Swiss-Prot.
DT 13-NOV-2019, sequence version 2.
DT 03-AUG-2022, entry version 101.
DE RecName: Full=Ribulose bisphosphate carboxylase large chain {ECO:0000255|HAMAP-Rule:MF_01338};
DE Short=RuBisCO large subunit {ECO:0000255|HAMAP-Rule:MF_01338};
DE EC=4.1.1.39 {ECO:0000255|HAMAP-Rule:MF_01338};
GN Name=rbcL {ECO:0000255|HAMAP-Rule:MF_01338};
OS Actinidia chinensis (Kiwi) (Yangtao).
OG Plastid; Chloroplast.
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; Ericales; Actinidiaceae; Actinidia.
OX NCBI_TaxID=3625;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=26046631; DOI=10.1371/journal.pone.0129347;
RA Yao X., Tang P., Li Z., Li D., Liu Y., Huang H.;
RT "The first complete chloroplast genome sequences in Actinidiaceae: Genome
RT structure and comparative analysis.";
RL PLoS ONE 10:E0129347-E0129347(2015).
RN [2]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 6-474.
RX DOI=10.12705/646.6;
RA Loefstrand S.D., Schoenenberger J.;
RT "Molecular phylogenetics and floral evolution in the sarracenioid clade
RT (Actinidiaceae, Roridulaceae and Sarraceniaceae) of Ericales.";
RL Taxon 64:1209-1224(2015).
RN [3]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 11-475.
RX PubMed=1523408; DOI=10.1126/science.1523408;
RA Albert V.A., Williams S.E., Chase M.W.;
RT "Carnivorous plants: phylogeny and structural evolution.";
RL Science 257:1491-1495(1992).
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:0000255|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; Evidence={ECO:0000255|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:0000255|HAMAP-Rule:MF_01338};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01338};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|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:0000255|HAMAP-Rule:MF_01338}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
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:0000255|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:0000255|HAMAP-Rule:MF_01338}.
CC -!- SIMILARITY: Belongs to the RuBisCO large chain family. Type I
CC subfamily. {ECO:0000255|HAMAP-Rule:MF_01338}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; KP297242; AJO26095.1; -; Genomic_DNA.
DR EMBL; KP297245; AJO26344.1; -; Genomic_DNA.
DR EMBL; KP297243; AJO26178.1; -; Genomic_DNA.
DR EMBL; KR819565; ANA04970.1; -; Genomic_DNA.
DR EMBL; L01882; AAA84003.2; -; Genomic_DNA.
DR RefSeq; YP_009127996.1; NC_026690.1.
DR AlphaFoldDB; P28377; -.
DR SMR; P28377; -.
DR GeneID; 23763988; -.
DR GO; GO:0009507; C:chloroplast; 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; -; 1.
DR Gene3D; 3.30.70.150; -; 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; PTHR42704; 1.
DR Pfam; PF00016; RuBisCO_large; 1.
DR Pfam; PF02788; RuBisCO_large_N; 1.
DR SFLD; SFLDS00014; RuBisCO; 1.
DR SUPFAM; SSF51649; SSF51649; 1.
DR SUPFAM; SSF54966; SSF54966; 1.
DR PROSITE; PS00157; RUBISCO_LARGE; 1.
PE 3: Inferred from homology;
KW Calvin cycle; Carbon dioxide fixation; Chloroplast; Disulfide bond; Lyase;
KW Magnesium; Metal-binding; Methylation; Monooxygenase; Oxidoreductase;
KW Photorespiration; Photosynthesis; Plastid.
FT CHAIN 1..475
FT /note="Ribulose bisphosphate carboxylase large chain"
FT /id="PRO_0000062339"
FT ACT_SITE 175
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT ACT_SITE 294
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 123
FT /ligand="substrate"
FT /note="in homodimeric partner"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 173
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 177
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 201
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /note="via carbamate group"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 203
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 204
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 295
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 327
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT BINDING 379
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT SITE 334
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT MOD_RES 14
FT /note="N6,N6,N6-trimethyllysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT MOD_RES 201
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT DISULFID 247
FT /note="Interchain; in linked form"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01338"
FT CONFLICT 142..145
FT /note="VAYC -> AAYV (in Ref. 3; AAA84003)"
FT CONFLICT 470
FT /note="Q -> P (in Ref. 2; ANA04970)"
FT /evidence="ECO:0000305"
SQ SEQUENCE 475 AA; 52679 MW; 0C1A6A7FB6A024F1 CRC64;
MSPQTETKAS VGFKAGVKDY KLTYYTPDYE TKDTDILAAF RVTPQPGVPP EEAGAAVAAE
SSTGTWTTVW TDGLTSLDRY KGRCYHIEPV AGEETQFIAY VAYPLDLFEE GSVTNMFTSI
VGNVFGFKAL RALRLEDLRI PVAYCKTFQG PPHGIQVERD KLNKYGRPLL GCTIKPKLGL
SAKNYGRAVY ECLRGGLDFT KDDENVNSQP FMRWRDRFLF CAEAIFKAQS ETGEIKGHYL
NATAGTCEEM MKRAVFAREL GVPIVMHDYL TGGFTANTTL AHYCRDNGLL LHIHRAMHAV
IDRQKNHGMH FRVLAKALRM SGGDHIHAGT VVGKLEGERD ITLGFVDLLR DDYIEKDRAR
GIYFTQDWVS LPGVLPVASG GIHVWHMPAL TEIFGDDSVL QFGGGTLGHP WGNAPGAVAN
RVALEACVQA RNEGRDLARE GNEIIRNASK WSPELAAACE VWKEIKFEFQ AMDTL