ID A0A1G5G855_9PROT Unreviewed; 489 AA.
AC A0A1G5G855;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 23.
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=cbbL {ECO:0000256|HAMAP-Rule:MF_01338};
GN ORFNames=SAMN05216420_10732 {ECO:0000313|EMBL:SCY47732.1};
OS Nitrosospira sp. Nl5.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Nitrosomonadales;
OC Nitrosomonadaceae; Nitrosospira.
OX NCBI_TaxID=200120 {ECO:0000313|EMBL:SCY47732.1, ECO:0000313|Proteomes:UP000198645};
RN [1] {ECO:0000313|Proteomes:UP000198645}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Nl5 {ECO:0000313|Proteomes:UP000198645};
RA Varghese N., Submissions S.;
RL Submitted (OCT-2016) 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. Both reactions occur simultaneously and in competition at
CC the same active site. {ECO:0000256|ARBA:ARBA00003617,
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 -!- 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}.
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DR EMBL; FMVQ01000007; SCY47732.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G5G855; -.
DR STRING; 200120.SAMN05216420_10732; -.
DR Proteomes; UP000198645; Unassembled WGS sequence.
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: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 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}; Reference proteome {ECO:0000313|Proteomes:UP000198645}.
FT DOMAIN 23..149
FT /note="Ribulose bisphosphate carboxylase large subunit
FT ferrodoxin-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02788"
FT DOMAIN 159..466
FT /note="Ribulose bisphosphate carboxylase large subunit C-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF00016"
FT ACT_SITE 180
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT ACT_SITE 298
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 128
FT /ligand="substrate"
FT /note="in homodimeric partner"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 178
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 182
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 206
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 208
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 209
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 299
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 331
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT BINDING 383
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT SITE 338
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
FT MOD_RES 206
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01338"
SQ SEQUENCE 489 AA; 54327 MW; 7C9D3952C1AFECF4 CRC64;
MSQEITGKER YKSGVIPYKK MGYWDSDYVP KDTDVIALFR ITPQEGVDHE EAAAAVAGES
STATWTVVWT DRLTACELYR AKAYRSELVP NTGPGTKNEA QYFAYIAYDL DLFEEGSIAN
LTASIIGNVF GFKAVKALRL EDMRIPVAYL KTFQGPATGI IVERERLDKF GRPLLGATTK
PKLGLSGRNY GRVVYEGLKG GLDFMKDDEN INSQPFMHWR DRFLYCMEAV NKASAATGEV
KGHYLNVTAG TMEDMYERAE FAKSLGSVII MIDLVIGYTA IQSMAKWARK NDMILHLHRA
GNSTYSRQKN HGMNFRVICK WMRMAGVDHI HAGTVVGKLE GDPLMIKGFY DTLRESRTPT
SLEHGLFFDQ DWASLNKVMP VASGGIHAGQ MHQLLDYLGE DVILQFGGGT IGHPMGIQAG
AVANRVALEA MILARNEGRD YVKEGPKILE TAAKWCTPLK QALDTWKDIT FNYESTDTAD
FVPSTTASV
//
