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Entry: RBS_SINMW
LinkDB: RBS_SINMW
Original site: RBS_SINMW 
ID   RBS_SINMW               Reviewed;         129 AA.
AC   P56890; A6UGF5;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2000, sequence version 1.
DT   24-JAN-2024, entry version 108.
DE   RecName: Full=Ribulose bisphosphate carboxylase small subunit {ECO:0000255|HAMAP-Rule:MF_00859};
DE            Short=RuBisCO small subunit {ECO:0000255|HAMAP-Rule:MF_00859};
GN   Name=cbbS {ECO:0000255|HAMAP-Rule:MF_00859}; OrderedLocusNames=Smed_3925;
OS   Sinorhizobium medicae (strain WSM419) (Ensifer medicae).
OG   Plasmid pSMED01.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=366394;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Fenner B.J., Tiwari R.P., Dilworth M.J.;
RT   "Genetic regulation of C1 metabolism in Sinorhizobium meliloti.";
RL   Submitted (DEC-1999) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WSM419;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Reeve W.G.,
RA   Richardson P.;
RT   "Complete sequence of Sinorhizobium medicae WSM419 plasmid pSMED01.";
RL   Submitted (JUN-2007) 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. Although the small subunit is not catalytic it is
CC       essential for maximal activity. {ECO:0000255|HAMAP-Rule:MF_00859}.
CC   -!- SUBUNIT: Heterohexadecamer of 8 large and 8 small subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00859}.
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:0000255|HAMAP-Rule:MF_00859}.
CC   -!- SIMILARITY: Belongs to the RuBisCO small chain family.
CC       {ECO:0000255|HAMAP-Rule:MF_00859}.
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DR   EMBL; AF211846; AAF25380.1; -; Genomic_DNA.
DR   EMBL; CP000739; ABR62735.1; -; Genomic_DNA.
DR   RefSeq; WP_011969557.1; NC_009620.1.
DR   RefSeq; YP_001312668.1; NC_009620.1.
DR   AlphaFoldDB; P56890; -.
DR   SMR; P56890; -.
DR   GeneID; 61612430; -.
DR   KEGG; smd:Smed_3925; -.
DR   PATRIC; fig|366394.8.peg.371; -.
DR   HOGENOM; CLU_098114_2_0_5; -.
DR   OMA; KQCQVLS; -.
DR   OrthoDB; 9788955at2; -.
DR   Proteomes; UP000001108; Plasmid pSMED01.
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; cd03527; RuBisCO_small; 1.
DR   Gene3D; 3.30.190.10; Ribulose bisphosphate carboxylase, small subunit; 1.
DR   HAMAP; MF_00859; RuBisCO_S_bact; 1.
DR   InterPro; IPR024681; RuBisCO_ssu.
DR   InterPro; IPR000894; RuBisCO_ssu_dom.
DR   InterPro; IPR036385; RuBisCO_ssu_sf.
DR   PANTHER; PTHR31262; RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN 1, CHLOROPLASTIC; 1.
DR   PANTHER; PTHR31262:SF23; RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL SUBUNIT; 1.
DR   Pfam; PF00101; RuBisCO_small; 1.
DR   SMART; SM00961; RuBisCO_small; 1.
DR   SUPFAM; SSF55239; RuBisCO, small subunit; 1.
PE   3: Inferred from homology;
KW   Calvin cycle; Carbon dioxide fixation; Plasmid.
FT   CHAIN           1..129
FT                   /note="Ribulose bisphosphate carboxylase small subunit"
FT                   /id="PRO_0000198620"
FT   REGION          104..129
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        108..122
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   129 AA;  15161 MW;  D16D8DD44EC7FCDA CRC64;
     MRITQGCFSF LPDLTDEQIT AQVEYCLGRG WAIGVEYTDD PHPRNTYWEM WGNPMFDLRD
     AKGVMMEVED CRKAHPQDYI RLNAFDSSRG LETVTMSFIV NRPENEPSLR MTRTESDGRS
     QHYTWETQR
//
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