ID RBS_LACSA STANDARD; PRT; 181 AA. AC Q40250; DT 15-DEC-1998 (REL. 37, CREATED) DT 15-DEC-1998 (REL. 37, LAST SEQUENCE UPDATE) DT 15-DEC-1998 (REL. 37, LAST ANNOTATION UPDATE) DE RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN PRECURSOR (EC 4.1.1.39) DE (RUBISCO SMALL SUBUNIT). GN RBCS. OS LACTUCA SATIVA (GARDEN LETTUCE). OC EUKARYOTA; VIRIDIPLANTAE; STREPTOPHYTA; EMBRYOPHYTA; TRACHEOPHYTA; OC EUPHYLLOPHYTES; SPERMATOPHYTA; MAGNOLIOPHYTA; EUDICOTYLEDONS; OC ASTERIDAE; ASTERALES; ASTERACEAE; LACTUCA. RN [1] RP SEQUENCE FROM N.A. RA HANYUU K.; RL SUBMITTED (JAN-1993) TO EMBL/GENBANK/DDBJ DATA BANKS. CC -!- FUNCTION: RUBISCO CATALYSES TWO REACTIONS: THE CARBOXYLATION OF CC D-RIBULOSE 1,5-BISPHOSPHATE, THE PRIMARY EVENT IN PHOTOSYNTHETIC CC CARBON DIOXIDE FIXATION, AS WELL AS THE OXIDATIVE FRAGMENTATION OF CC THE PENTOSE SUBSTRATE IN THE PHOTORESPIRATION PROCESS. BOTH CC REACTIONS OCCUR SIMULTANEOUSLY AND IN COMPETITION AT THE SAME CC ACTIVE SITE. CC -!- CATALYTIC ACTIVITY: D-RIBULOSE 1,5-BISPHOSPHATE + CO(2) = CC 2 3-PHOSPHO-D-GLYCERATE. CC -!- CATALYTIC ACTIVITY: D-RIBULOSE 1,5-BISPHOSPHATE + O(2) = CC 3-PHOSPHO-D-GLYCERATE + 2-PHOSPHOGLYCOLATE. CC -!- SUBUNIT: 8 LARGE CHAINS + 8 SMALL CHAINS. CC -!- SUBCELLULAR LOCATION: CHLOROPLAST. CC -!- SIMILARITY: BELONGS TO THE RUBISCO SMALL CHAIN FAMILY. CC -------------------------------------------------------------------------- CC This SWISS-PROT entry is copyright. It is produced through a collaboration CC between the Swiss Institute of Bioinformatics and the EMBL outstation - CC the European Bioinformatics Institute. There are no restrictions on its CC use by non-profit institutions as long as its content is in no way CC modified and this statement is not removed. Usage by and for commercial CC entities requires a license agreement (See http://www.isb-sib.ch/announce/ CC or send an email to license@isb-sib.ch). CC -------------------------------------------------------------------------- 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; D14001; G217946; -. DR PFAM; PF00101; RuBisCO_small; 1. DR MENDEL; 399; LACsa;rbcS;1. KW PHOTOSYNTHESIS; CARBON DIOXIDE FIXATION; PHOTORESPIRATION; KW LYASE; OXIDOREDUCTASE; MONOOXYGENASE; CHLOROPLAST; TRANSIT PEPTIDE. FT TRANSIT 1 57 CHLOROPLAST (BY SIMILARITY). FT CHAIN 58 181 RUBISCO SMALL CHAIN. SQ SEQUENCE 181 AA; 20359 MW; FE18E6C6 CRC32; MASISSSAIA TVNRTTSTQA SLAAPFTGLK SNVAFPVTKK ANNDFSSLPS NGGRVQCMKV WPPIGLKKYE TLSYLPPLSD EALSKEIDYL IRNKWIPCLE FELEHGFVYR EHHHSPGYYD GRYWTMWKLP MFGCTDSAQV MKEVGECKKE YPNAFIRVIG FDNIRQVQCI SFIVAKPPGV L //