ID Q5XLE8_COFCA Unreviewed; 66 AA. AC Q5XLE8; DT 23-NOV-2004, integrated into UniProtKB/TrEMBL. DT 23-NOV-2004, sequence version 1. DT 08-MAR-2011, entry version 27. DE RecName: Full=Ribulose bisphosphate carboxylase small chain; DE EC=4.1.1.39; DE Flags: Fragment; GN Name=rbsc1; OS Coffea canephora (Robusta coffee). OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; OC Spermatophyta; Magnoliophyta; eudicotyledons; core eudicotyledons; OC asterids; lamiids; Gentianales; Rubiaceae; Ixoroideae; Coffeeae; OC Coffea. OX NCBI_TaxID=49390; RN [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 CC at the same active site (By similarity). CC -!- CATALYTIC ACTIVITY: 2 3-phospho-D-glycerate + 2 H(+) = D-ribulose CC 1,5-bisphosphate + CO(2) + H(2)O. CC -!- CATALYTIC ACTIVITY: 3-phospho-D-glycerate + 2-phosphoglycolate = CC D-ribulose 1,5-bisphosphate + O(2). CC -!- SUBUNIT: 8 large chains + 8 small chains (By similarity). CC -!- SIMILARITY: Belongs to the RuBisCO small chain family. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AY753745; AAU89439.1; -; Genomic_DNA. DR ProteinModelPortal; Q5XLE8; -. DR GO; GO:0016984; F:ribulose-bisphosphate carboxylase activity; IEA:EC. DR GO; GO:0015977; P:carbon fixation; IEA:InterPro. DR InterPro; IPR000894; RuBisCO_sc. DR Gene3D; G3DSA:3.30.190.10; RuBisCO_small; 1. DR Pfam; PF00101; RuBisCO_small; 1. DR PRINTS; PR00152; RUBISCOSMALL. DR SUPFAM; SSF55239; RuBisCO_small; 1. PE 3: Inferred from homology; KW Carbon dioxide fixation; Lyase; Monooxygenase; Oxidoreductase; KW Photorespiration; Photosynthesis; Plastid. FT NON_TER 1 1 FT NON_TER 66 66 SQ SEQUENCE 66 AA; 8143 MW; 1DC2BDA45D31BA45 CRC64; PRGLKKYETL SYLPDLTDEQ LLKEIDYLIR SGWVPCLEFE LEKGFVYREY HRSPGYYDGR YWTMWK //