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Database: UniProt
Entry: Q8MAM8_9ASTE
LinkDB: Q8MAM8_9ASTE
Original site: Q8MAM8_9ASTE 
ID   Q8MAM8_9ASTE            Unreviewed;       477 AA.
AC   Q8MAM8;
DT   01-OCT-2002, integrated into UniProtKB/TrEMBL.
DT   01-OCT-2002, sequence version 1.
DT   08-NOV-2023, entry version 103.
DE   RecName: Full=Ribulose bisphosphate carboxylase large chain {ECO:0000256|ARBA:ARBA00017725, 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|ARBA:ARBA00012287, ECO:0000256|HAMAP-Rule:MF_01338};
GN   Name=rbcL {ECO:0000256|HAMAP-Rule:MF_01338};
OS   Itzaea sericea.
OG   Plastid; Chloroplast {ECO:0000313|EMBL:AAM56000.1}.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Convolvulaceae; Cresseae; Itzaea.
OX   NCBI_TaxID=197404 {ECO:0000313|EMBL:AAM56000.1};
RN   [1] {ECO:0000313|EMBL:AAM56000.1}
RP   NUCLEOTIDE SEQUENCE.
RX   AGRICOLA=IND23320510;
RA   Stefanovic S., Krueger L., Olmstead R.G.;
RT   "Monophyly of the Convolvulaceae and circumscription of their major
RT   lineages based on DNA sequences of multiple chloroplast loci.";
RL   Am. J. Bot. 89:1510-1522(2002).
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, ECO:0000256|RuleBase:RU000302};
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|ARBA:ARBA00000537,
CC         ECO:0000256|HAMAP-Rule:MF_01338, ECO:0000256|RuleBase:RU000302};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01338,
CC         ECO:0000256|RuleBase:RU000302};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01338,
CC       ECO:0000256|RuleBase:RU000302};
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:0000256|ARBA:ARBA00025888, ECO:0000256|HAMAP-
CC       Rule:MF_01338}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast {ECO:0000256|HAMAP-
CC       Rule:MF_01338, ECO:0000256|RuleBase:RU000302}.
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: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|ARBA:ARBA00006204, ECO:0000256|HAMAP-
CC       Rule:MF_01338}.
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DR   EMBL; AY101031; AAM56000.1; -; Genomic_DNA.
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; 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   Chloroplast {ECO:0000256|RuleBase:RU000302, ECO:0000313|EMBL:AAM56000.1};
KW   Disulfide bond {ECO:0000256|HAMAP-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}; Methylation {ECO:0000256|HAMAP-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};
KW   Photorespiration {ECO:0000256|ARBA:ARBA00023238, ECO:0000256|HAMAP-
KW   Rule:MF_01338};
KW   Photosynthesis {ECO:0000256|HAMAP-Rule:MF_01338,
KW   ECO:0000256|RuleBase:RU000302}; Plastid {ECO:0000256|ARBA:ARBA00022640}.
FT   DOMAIN          24..144
FT                   /note="Ribulose bisphosphate carboxylase large subunit
FT                   ferrodoxin-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02788"
FT   DOMAIN          154..462
FT                   /note="Ribulose bisphosphate carboxylase large subunit C-
FT                   terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00016"
FT   ACT_SITE        175
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   ACT_SITE        294
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         123
FT                   /ligand="substrate"
FT                   /note="in homodimeric partner"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         173
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         177
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|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:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         203
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         204
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         295
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         327
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   BINDING         379
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   SITE            334
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   MOD_RES         14
FT                   /note="N6,N6,N6-trimethyllysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   MOD_RES         201
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT   DISULFID        247
FT                   /note="Interchain; in linked form"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
SQ   SEQUENCE   477 AA;  53052 MW;  F6A853339CAA1FA6 CRC64;
     MSPQTETKAS VGFKAGVXDY KLTYYTPEYE TKDTDILAAF RVTPQPGVPP EEAGAAVAAE
     SSTGTWTTVW TDGLTSLDRY KGRCYRIERV VGEKDQYIAY VAYPLDLFEE GSVTNMFTSI
     VGNVFGFKAL RALRLEDLRI PPAYIKTFQG PPHGIQVERD KLNKYGRPLL GCTIKPKLGL
     SAKNYGRAVY ECLRGGLDFT KDDENVNSQP FMRWRDRFLF CVEAIYKSQA ETGEIKGHYL
     NATAGTCEEM IKRAVFAREL GAPIVMHDYL TGGFTANTSL AHYCRDNGLL LHIHRAMHAV
     IDRQKNHGMH FRVLAKALRL SGGDHIHAGT VVGKLEGERE ITLGFVDLLR DDFVEQDRSR
     GIYFTQDWVS LPGVLPVASG GIHVWHMPAL TEIFGDDSVL QFGGGTLGHP WGNAPGAVAN
     RVALEACVQA RNEGRDLAQE GNEIIRQASK WSPELAAACE VWKEIRFEYK PVDTLDQ
//
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