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Database: UniProt/SWISS-PROT
Entry: RBS_CYAM1
LinkDB: RBS_CYAM1
Original site: RBS_CYAM1 
ID   RBS_CYAM1               Reviewed;         138 AA.
AC   O22024;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   05-DEC-2018, entry version 95.
DE   RecName: Full=Ribulose bisphosphate carboxylase small chain;
DE            Short=RuBisCO small subunit;
DE            EC=4.1.1.39;
GN   Name=rbcS;
OS   Cyanidioschyzon merolae (strain 10D) (Red alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Cyanidiales; Cyanidiaceae;
OC   Cyanidioschyzon.
OX   NCBI_TaxID=280699;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Ohta N., Sato N., Ueda K., Kuroiwa T.;
RT   "Analysis of a plastid gene cluster reveals a close relationship
RT   between Cyanidioschyzon and Cyanidium.";
RL   J. Plant Res. 110:235-245(1997).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=10D;
RX   PubMed=12755171; DOI=10.1093/dnares/10.2.67;
RA   Ohta N., Matsuzaki M., Misumi O., Miyagishima S.-Y., Nozaki H.,
RA   Tanaka K., Shin-i T., Kohara Y., Kuroiwa T.;
RT   "Complete sequence and analysis of the plastid genome of the
RT   unicellular red alga Cyanidioschyzon merolae.";
RL   DNA Res. 10:67-77(2003).
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
CC       at the same active site (By similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 3-phospho-D-glycerate + 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   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-ribulose 1,5-bisphosphate + O2 = 2-phosphoglycolate +
CC         3-phospho-D-glycerate + 2 H(+); Xref=Rhea:RHEA:36631,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:57870,
CC         ChEBI:CHEBI:58033, ChEBI:CHEBI:58272;
CC   -!- SUBUNIT: 8 large chains + 8 small chains.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- MISCELLANEOUS: In this alga, in contrast to plants, the small
CC       subunit is encoded in the chloroplast.
CC   -!- SIMILARITY: Belongs to the RuBisCO small chain family.
CC       {ECO:0000305}.
DR   EMBL; D63675; BAA22820.1; -; Genomic_DNA.
DR   EMBL; AB002583; BAC76108.1; -; Genomic_DNA.
DR   RefSeq; NP_848946.1; NC_004799.1.
DR   ProteinModelPortal; O22024; -.
DR   SMR; O22024; -.
DR   STRING; 45157.CMV014CT; -.
DR   EnsemblPlants; CMV014CT; CMV014CT; CMV014C.
DR   GeneID; 844965; -.
DR   Gramene; CMV014CT; CMV014CT; CMV014C.
DR   KEGG; cme:CymeCp014; -.
DR   eggNOG; ENOG410IWI6; Eukaryota.
DR   eggNOG; COG4451; LUCA.
DR   KO; K01602; -.
DR   Proteomes; UP000007014; Chloroplast.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
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; 3.30.190.10; -; 1.
DR   InterPro; IPR000894; RuBisCO_sc_dom.
DR   InterPro; IPR036385; RuBisCO_ssu_sf.
DR   Pfam; PF00101; RuBisCO_small; 1.
DR   SMART; SM00961; RuBisCO_small; 1.
DR   SUPFAM; SSF55239; SSF55239; 1.
PE   3: Inferred from homology;
KW   Calvin cycle; Carbon dioxide fixation; Chloroplast; Complete proteome;
KW   Lyase; Monooxygenase; Oxidoreductase; Photorespiration;
KW   Photosynthesis; Plastid; Reference proteome.
FT   CHAIN         1    138       Ribulose bisphosphate carboxylase small
FT                                chain.
FT                                /FTId=PRO_0000198593.
SQ   SEQUENCE   138 AA;  16225 MW;  584F64F1709104A8 CRC64;
     MRVTQGTFCY LPDLTDEQIR KQIQYAINQG WAVSVEYTDD PHPRNSYWEM WGLPLFDVKD
     PATIMFEVQE CRKQFPNHYI KVLAFNSTKG IESTALSFIV NRPANEPGFV LRRIESNDRV
     QRYQIHSYAT EKPEGSRY
//
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