ID   A0A4P8XU74_GUITH        Unreviewed;       344 AA.
AC   A0A4P8XU74;
DT   31-JUL-2019, integrated into UniProtKB/TrEMBL.
DT   31-JUL-2019, sequence version 1.
DT   02-OCT-2024, entry version 12.
DE   RecName: Full=Ribulose bisphosphate carboxylase large chain {ECO:0000256|RuleBase:RU000302};
DE            EC=4.1.1.39 {ECO:0000256|RuleBase:RU000302};
DE   Flags: Fragment;
GN   Name=rbcL {ECO:0000313|EMBL:QCT05629.1};
OS   Guillardia theta (Cryptophyte) (Cryptomonas phi).
OG   Plastid {ECO:0000313|EMBL:QCT05629.1}.
OC   Eukaryota; Cryptophyceae; Pyrenomonadales; Geminigeraceae; Guillardia.
OX   NCBI_TaxID=55529 {ECO:0000313|EMBL:QCT05629.1};
RN   [1] {ECO:0000313|EMBL:QCT05629.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=CCMP327 {ECO:0000313|EMBL:QCT05629.1};
RX   PubMed=31088271; DOI=.1098/rspb.2019.0655;
RA   Greenwold M.J., Cunningham B.R., Lachenmyer E.M., Pullman J.M.,
RA   Richardson T.L., Dudycha J.L.;
RT   "Diversification of light capture ability was accompanied by the evolution
RT   of phycobiliproteins in cryptophyte algae.";
RL   Proc. R. Soc. B 286:20190655-20190655(2019).
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.
CC       {ECO:0000256|RuleBase:RU000302}.
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DR   EMBL; MK818447; QCT05629.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A4P8XU74; -.
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: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; 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};
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|RuleBase:RU000302};
KW   Photosynthesis {ECO:0000256|RuleBase:RU000302};
KW   Plastid {ECO:0000256|ARBA:ARBA00022640, ECO:0000313|EMBL:QCT05629.1}.
FT   DOMAIN          9..129
FT                   /note="Ribulose bisphosphate carboxylase large subunit
FT                   ferrodoxin-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02788"
FT   DOMAIN          140..340
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:QCT05629.1"
FT   NON_TER         344
FT                   /evidence="ECO:0000313|EMBL:QCT05629.1"
SQ   SEQUENCE   344 AA;  38325 MW;  E2AA12E4C900C052 CRC64;
     VIPYAKMGYW DADYVIKDTD VLAMFRMTPQ KGVDPVECAA AIAGESSTAT WTVVWTDLLT
     ACDLYRAKAY RVDPVPGATD QYFAYIAYEL DLFEEGSLAN LTASIIGNVF GFKAVNALRL
     EDMRLPIAYL KTFQGPATGV IVERERLDKY GRPLLGATVK PKLGLSGKNY GRVVYEGLKG
     GLDFLKDDEN INSQPFMRWK ERFLFGIEGV NRAAAAAGEV KGHYFNVTAG TMEDMYERAE
     FCKEIGSVIC MIDLVIGYTA IQSMAIWARK NSMILHLHRA GNSTYSRQKT HGMNFRVICK
     WMRMAGVDHI HAGTVVGKLE GDPLMVKGFY NTLLETQTDV NLVQ
//