ID Q8MGI5_9TRAC Unreviewed; 428 AA.
AC Q8MGI5;
DT 01-OCT-2002, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2002, sequence version 1.
DT 24-JAN-2024, entry version 72.
DE RecName: Full=Ribulose bisphosphate carboxylase large chain {ECO:0000256|ARBA:ARBA00017725, ECO:0000256|RuleBase:RU000302};
DE EC=4.1.1.39 {ECO:0000256|ARBA:ARBA00012287, ECO:0000256|RuleBase:RU000302};
DE Flags: Fragment;
GN Name=rbcL {ECO:0000313|EMBL:AAM34585.1};
OS Isoetes sampathkumarinii.
OG Plastid; Chloroplast {ECO:0000313|EMBL:AAM34585.1}.
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Lycopodiopsida; Isoetales; Isoetaceae; Isoetes.
OX NCBI_TaxID=187479 {ECO:0000313|EMBL:AAM34585.1};
RN [1] {ECO:0000313|EMBL:AAM34585.1}
RP NUCLEOTIDE SEQUENCE.
RA Rydin C., Wikstrom N.;
RT "Phylogeny of Isoetes (Lycopsida): resolving basal relationships using rbcL
RT sequences.";
RL Taxon 51:83-89(2002).
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,
CC 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|RuleBase:RU000302};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|RuleBase:RU000302};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|RuleBase:RU000302};
CC -!- SUBUNIT: Heterohexadecamer of 8 large chains and 8 small chains.
CC {ECO:0000256|RuleBase:RU000302}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast
CC {ECO:0000256|RuleBase:RU000302}.
CC -!- SIMILARITY: Belongs to the RuBisCO large chain family. Type I
CC subfamily. {ECO:0000256|ARBA:ARBA00006204}.
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DR EMBL; AF404504; AAM34585.1; -; Genomic_DNA.
DR AlphaFoldDB; Q8MGI5; -.
DR GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR GO; GO:0004497; F:monooxygenase activity; IEA:UniProtKB-KW.
DR GO; GO:0016984; F:ribulose-bisphosphate carboxylase activity; IEA:UniProtKB-EC.
DR GO; GO:0009853; P:photorespiration; IEA:UniProtKB-KW.
DR GO; GO:0019253; P:reductive pentose-phosphate cycle; IEA:UniProtKB-KW.
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,
KW ECO:0000256|RuleBase:RU000302};
KW Carbon dioxide fixation {ECO:0000256|ARBA:ARBA00023300,
KW ECO:0000256|RuleBase:RU000302};
KW Chloroplast {ECO:0000256|RuleBase:RU000302, ECO:0000313|EMBL:AAM34585.1};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|RuleBase:RU000302};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|RuleBase:RU000302};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU000302};
KW Monooxygenase {ECO:0000256|ARBA:ARBA00023033,
KW ECO:0000256|RuleBase:RU000302};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000302};
KW Photorespiration {ECO:0000256|ARBA:ARBA00023238,
KW ECO:0000256|RuleBase:RU000302};
KW Photosynthesis {ECO:0000256|RuleBase:RU000302};
KW Plastid {ECO:0000256|ARBA:ARBA00022640}.
FT DOMAIN 7..127
FT /note="Ribulose bisphosphate carboxylase large subunit
FT ferrodoxin-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02788"
FT DOMAIN 137..423
FT /note="Ribulose bisphosphate carboxylase large subunit C-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF00016"
FT NON_TER 1
FT /evidence="ECO:0000313|EMBL:AAM34585.1"
FT NON_TER 428
FT /evidence="ECO:0000313|EMBL:AAM34585.1"
SQ SEQUENCE 428 AA; 47549 MW; B9A878FD141E8C14 CRC64;
KDYRLNYYTP DYKTKDTDIL AAFRMTPQPG VPPEEAGAAV AAESSTGTWT TVWTDGLTSL
DRYKGRCYDI EPVAGEENQY IAYVAYPLDL FEEGSVTNMF TSIVGNVFGF KALRALRLED
LRIPPAYSKT FQGPPHGIQV ERDKLNKYGR PLLGCTIKPK LGLSAKNYGR AVYECLRGGL
DFTKDDENVN SQPFMRWRDR FLFVAEALNK SQAETGEIKG HYLNATAGTC EEMMKRVVFA
RELGVPIVMH DYLTGGFTAN TSLAHYCRDN GLLLHIHRAM HAVIDRQRNH GIHFRVLAKA
LRMSGGDHIH SGTVVGKLEG EREVTLGFVD LLRDDYIEKD RSRGIYFTQD WVSMPGVLPV
ASGGIHVWHM PALTEIFGDD SVLQFGGGTL GHPWGNAPGA VANRVASEAC VQARNEGRDL
AREGNEII
//
