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Database: UniProt
Entry: Q1MTX2_9CHLO
LinkDB: Q1MTX2_9CHLO
Original site: Q1MTX2_9CHLO 
ID   Q1MTX2_9CHLO            Unreviewed;       370 AA.
AC   Q1MTX2;
DT   30-MAY-2006, integrated into UniProtKB/TrEMBL.
DT   05-SEP-2006, sequence version 2.
DT   22-FEB-2023, entry version 61.
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:CAI94619.2};
OS   Trebouxia crenulata.
OG   Plastid; Chloroplast {ECO:0000313|EMBL:CAI94619.2}.
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Trebouxiophyceae;
OC   Trebouxiales; Trebouxiaceae; Trebouxia.
OX   NCBI_TaxID=300846 {ECO:0000313|EMBL:CAI94619.2};
RN   [1] {ECO:0000313|EMBL:CAI94619.2}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=IB 359 {ECO:0000313|EMBL:CAI94619.2};
RA   Nyati S., Scherrer S., Honegger R.;
RT   "Photobiont diversity in the genus Xanthoria.";
RL   Submitted (MAY-2005) to the EMBL/GenBank/DDBJ databases.
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; AJ969639; CAI94619.2; -; Genomic_DNA.
DR   AlphaFoldDB; Q1MTX2; -.
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   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   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   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:CAI94619.2};
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, ECO:0000313|EMBL:CAI94619.2}.
FT   DOMAIN          2..91
FT                   /note="Ribulose bisphosphate carboxylase large subunit
FT                   ferrodoxin-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02788"
FT   DOMAIN          101..370
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:CAI94619.2"
FT   NON_TER         370
FT                   /evidence="ECO:0000313|EMBL:CAI94619.2"
SQ   SEQUENCE   370 AA;  40919 MW;  E665A4CDA8D48017 CRC64;
     GAAVAAESST GTWTTVWTDG LTSLDRYKGR CYDIEPVAGE ENQFIAYVAY PLDLFEEGSV
     TNLFTSIVGN VFGFKALRAL RLEDLRIPPA YVKTFQGPPH GIQVERDKLN KYGRSLLGCT
     IKPKLGLSAK NYGRAVYECL RGGLDFTKDD ENVNSQPFMR WRDRFAFVAE AIYKSQAETG
     EIKGHYLNAT AGTVEEMLKR AECARDFGMP IVMHDYLTGG FTANTTLAHY CRDNGLLLHI
     HRAMHAVIDR QRNHGIHFRV LAKTLRMSGG DHLHSGTVVG KLEGEREVTL GFVDLMRDDY
     IEKDRSRGVY FTQDWVSLPG TMPVASGGIH VWHMPALVEI FGDDACLQFG GGTLGHPWGN
     APGAAANRVA
//
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