ID Q9ZWG2_BROCA Unreviewed; 164 AA.
AC Q9ZWG2;
DT 01-MAY-1999, integrated into UniProtKB/TrEMBL.
DT 01-MAY-1999, sequence version 1.
DT 27-MAR-2024, entry version 87.
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=rbcS {ECO:0000313|EMBL:BAA35179.1};
OS Bromus catharticus (Rescue brome) (Ceratochloa cathartica).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC Pooideae; Triticodae; Bromeae; Bromus.
OX NCBI_TaxID=52150 {ECO:0000313|EMBL:BAA35179.1};
RN [1] {ECO:0000313|EMBL:BAA35179.1}
RP NUCLEOTIDE SEQUENCE.
RX PubMed=10085553; DOI=10.1266/ggs.73.297;
RA Sasanuma T., Miyashita N.T.;
RT "Subfamily devergence in the multigene family of ribulose-1,5-bisphosphate
RT carboxylase/oxygenase (rbcS) in Triticeae and its relatives.";
RL Genes Genet. Syst. 73:297-309(1998).
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; AB020960; BAA35179.1; -; Genomic_DNA.
DR AlphaFoldDB; Q9ZWG2; -.
DR GO; GO:0009536; C:plastid; 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 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; IPR024680; RuBisCO_ssu_N.
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, CHLOROPLASTIC 2; 1.
DR Pfam; PF12338; RbcS; 1.
DR Pfam; PF00101; RuBisCO_small; 1.
DR PRINTS; PR00152; RUBISCOSMALL.
DR SMART; SM00961; RuBisCO_small; 1.
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 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};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT DOMAIN 52..160
FT /note="Ribulose bisphosphate carboxylase small subunit"
FT /evidence="ECO:0000259|SMART:SM00961"
FT NON_TER 1
FT /evidence="ECO:0000313|EMBL:BAA35179.1"
FT NON_TER 164
FT /evidence="ECO:0000313|EMBL:BAA35179.1"
SQ SEQUENCE 164 AA; 18415 MW; 778531813A16246F CRC64;
VMASSATSVA PFQGLKSTAG LPVSRRSTGL GSVSSGGRIR CMQVWPIEGI KKFETLSYLP
PLSTEALLKQ IDYLIRSKWV PCLEFSKVGF VFREHNASPG YYDGRYWTMW KLPMFGCTDA
SQVIKELEEV KKEYPDAYVR IIGFDNLRQV QCVSFIAFKP PGCE
//
