ID   Q5XLE8_COFCA            Unreviewed;        66 AA.
AC   Q5XLE8;
DT   23-NOV-2004, integrated into UniProtKB/TrEMBL.
DT   23-NOV-2004, sequence version 1.
DT   03-MAY-2023, entry version 64.
DE   RecName: Full=Ribulose bisphosphate carboxylase small subunit {ECO:0000256|RuleBase:RU003627};
DE            Short=RuBisCO small subunit {ECO:0000256|RuleBase:RU003627};
DE   Flags: Fragment;
GN   Name=rbsc1 {ECO:0000313|EMBL:AAU89439.1};
OS   Coffea canephora (Robusta coffee).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Gentianales; Rubiaceae; Ixoroideae; Gardenieae complex;
OC   Bertiereae - Coffeeae clade; Coffeeae; Coffea.
OX   NCBI_TaxID=49390 {ECO:0000313|EMBL:AAU89439.1};
RN   [1] {ECO:0000313|EMBL:AAU89439.1}
RP   NUCLEOTIDE SEQUENCE.
RA   Ramirez L.S.;
RT   "Characterization of rubisco small subunit in Coffea sp.";
RL   Submitted (SEP-2004) 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:0000256|RuleBase:RU003627}.
CC   -!- SUBUNIT: Heterohexadecamer of 8 large and 8 small subunits.
CC       {ECO:0000256|RuleBase:RU003627}.
CC   -!- SIMILARITY: Belongs to the RuBisCO small chain family.
CC       {ECO:0000256|RuleBase:RU003627}.
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DR   EMBL; AY753745; AAU89439.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q5XLE8; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-KW.
DR   GO; GO:0009853; P:photorespiration; IEA:UniProtKB-UniRule.
DR   GO; GO:0019253; P:reductive pentose-phosphate cycle; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.190.10; Ribulose bisphosphate carboxylase, small subunit; 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:SF10; RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL SUBUNIT 1B, CHLOROPLASTIC-RELATED; 1.
DR   Pfam; PF00101; RuBisCO_small; 1.
DR   PRINTS; PR00152; RUBISCOSMALL.
DR   SUPFAM; SSF55239; RuBisCO, small subunit; 1.
PE   3: Inferred from homology;
KW   Calvin cycle {ECO:0000256|ARBA:ARBA00022567};
KW   Carbon dioxide fixation {ECO:0000256|ARBA:ARBA00023300,
KW   ECO:0000256|RuleBase:RU003627};
KW   Chloroplast {ECO:0000256|ARBA:ARBA00022528};
KW   Photorespiration {ECO:0000256|ARBA:ARBA00023238,
KW   ECO:0000256|RuleBase:RU003627};
KW   Photosynthesis {ECO:0000256|ARBA:ARBA00022531,
KW   ECO:0000256|RuleBase:RU003627}; Plastid {ECO:0000256|RuleBase:RU003627}.
FT   DOMAIN          7..66
FT                   /note="Ribulose bisphosphate carboxylase small subunit"
FT                   /evidence="ECO:0000259|Pfam:PF00101"
FT   NON_TER         1
FT                   /evidence="ECO:0000313|EMBL:AAU89439.1"
FT   NON_TER         66
FT                   /evidence="ECO:0000313|EMBL:AAU89439.1"
SQ   SEQUENCE   66 AA;  8143 MW;  1DC2BDA45D31BA45 CRC64;
     PRGLKKYETL SYLPDLTDEQ LLKEIDYLIR SGWVPCLEFE LEKGFVYREY HRSPGYYDGR
     YWTMWK
//