ID A0A0J6BI94_9SYNE Unreviewed; 470 AA.
AC A0A0J6BI94;
DT 14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2015, sequence version 1.
DT 24-JAN-2024, entry version 38.
DE RecName: Full=Ribulose bisphosphate carboxylase large chain {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|HAMAP-Rule:MF_01338};
GN Name=rbcL {ECO:0000256|HAMAP-Rule:MF_01338,
GN ECO:0000313|EMBL:KMM16437.1};
GN Synonyms=cbbL {ECO:0000256|HAMAP-Rule:MF_01338};
GN ORFNames=SYNGFB01_11195 {ECO:0000313|EMBL:KMM16437.1};
OS Synechococcus sp. GFB01.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae;
OC Synechococcus.
OX NCBI_TaxID=1662190 {ECO:0000313|EMBL:KMM16437.1, ECO:0000313|Proteomes:UP000035901};
RN [1] {ECO:0000313|EMBL:KMM16437.1, ECO:0000313|Proteomes:UP000035901}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GFB01 {ECO:0000313|EMBL:KMM16437.1,
RC ECO:0000313|Proteomes:UP000035901};
RA Guimaraes P.I., Leao T.F., de Melo A.G., Ramos R.T., Silva A., Fiore M.F.,
RA Schneider M.P.;
RT "Draft genome of the picocyanobacterium Synechococcus sp. strain GFB01
RT isolated from a freshwater lagoon of the Brazilian Amazon.";
RL Submitted (JUN-2015) to the EMBL/GenBank/DDBJ databases.
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};
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|HAMAP-Rule:MF_01338};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01338};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01338};
CC -!- SUBUNIT: Heterohexadecamer of 8 large chains and 8 small chains.
CC {ECO:0000256|HAMAP-Rule:MF_01338}.
CC -!- SUBCELLULAR LOCATION: Carboxysome {ECO:0000256|ARBA:ARBA00023587,
CC 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|HAMAP-Rule:MF_01338}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01338}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KMM16437.1}.
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DR EMBL; LFEK01000114; KMM16437.1; -; Genomic_DNA.
DR RefSeq; WP_048018084.1; NZ_LFEK01000114.1.
DR AlphaFoldDB; A0A0J6BI94; -.
DR STRING; 1662190.SYNGFB01_11195; -.
DR PATRIC; fig|1662190.3.peg.485; -.
DR OrthoDB; 9770811at2; -.
DR Proteomes; UP000035901; Unassembled WGS sequence.
DR GO; GO:0031470; C:carboxysome; 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 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 Bacterial microcompartment {ECO:0000256|ARBA:ARBA00024446};
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 Carboxysome {ECO:0000256|ARBA:ARBA00023669, ECO:0000256|HAMAP-
KW 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};
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}; Photorespiration {ECO:0000256|HAMAP-Rule:MF_01338};
KW Reference proteome {ECO:0000313|Proteomes:UP000035901}.
FT DOMAIN 16..136
FT /note="Ribulose bisphosphate carboxylase large subunit
FT ferrodoxin-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02788"
FT DOMAIN 146..454
FT /note="Ribulose bisphosphate carboxylase large subunit C-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF00016"
FT ACT_SITE 167
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT ACT_SITE 286
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 115
FT /ligand="substrate"
FT /note="in homodimeric partner"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 165
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 169
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 193
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 195
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 196
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 287
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 319
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 371
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT SITE 326
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT MOD_RES 193
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
SQ SEQUENCE 470 AA; 52472 MW; A5D8F9AFA484BED4 CRC64;
MAKKYDAGVK EYRDTYWTPD YVPLDTDLLA CFKVTGQEGV PREEVAAAVA AESSTGTWST
VWSELLTDLD FYKGRAYRIE DVPGDKESFY AFIAYPLDLF EEGSITNVLT SLVGNVFGFK
ALRHLRLEDI RFPMAFIKTC MGPPNGIVVE RDRMNKYGRP LLGCTIKPKL GLSGKNYGRV
VYECLRGGLD FTKDDENINS QPFQRWQNRF EFVAEAVKAA EQETGEKKGH YLNCTAATPE
EMYERAEFAK ELEMPIIMHD YITGGFTANT GLAKWCRKNG MLLHIHRAMH AVIDRHPKHG
IHFRVLAKCL RLSGGDQLHT GTVVGKLEGD RQSTLGFIDQ LRESFVPEDR SRGNFFDQDW
GSMGGVFAVA SGGIHVWHMP ALVSIFGDDS VLQFGGGTHG HPWGSAAGAA ANRVALEACV
KARNAGREIE REGRDILTEA AKHSPELAIA LETWKEIKFE FDTVDKLDVN
//