ID D8T5P3_SELML Unreviewed; 160 AA. AC D8T5P3; DT 05-OCT-2010, integrated into UniProtKB/TrEMBL. DT 05-OCT-2010, sequence version 1. DT 27-MAR-2024, entry version 60. DE RecName: Full=Ribulose bisphosphate carboxylase small subunit, chloroplastic {ECO:0000256|HAMAP-Rule:MF_00860}; DE Short=RuBisCO small subunit {ECO:0000256|HAMAP-Rule:MF_00860}; GN Name=RBCS {ECO:0000256|HAMAP-Rule:MF_00860}; GN ORFNames=SELMODRAFT_236158 {ECO:0000313|EMBL:EFJ07999.1}; OS Selaginella moellendorffii (Spikemoss). OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; OC Lycopodiopsida; Selaginellales; Selaginellaceae; Selaginella. OX NCBI_TaxID=88036 {ECO:0000313|Proteomes:UP000001514}; RN [1] {ECO:0000313|EMBL:EFJ07999.1, ECO:0000313|Proteomes:UP000001514} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX PubMed=21551031; DOI=10.1126/science.1203810; RA Banks J.A., Nishiyama T., Hasebe M., Bowman J.L., Gribskov M., RA dePamphilis C., Albert V.A., Aono N., Aoyama T., Ambrose B.A., Ashton N.W., RA Axtell M.J., Barker E., Barker M.S., Bennetzen J.L., Bonawitz N.D., RA Chapple C., Cheng C., Correa L.G., Dacre M., DeBarry J., Dreyer I., RA Elias M., Engstrom E.M., Estelle M., Feng L., Finet C., Floyd S.K., RA Frommer W.B., Fujita T., Gramzow L., Gutensohn M., Harholt J., Hattori M., RA Heyl A., Hirai T., Hiwatashi Y., Ishikawa M., Iwata M., Karol K.G., RA Koehler B., Kolukisaoglu U., Kubo M., Kurata T., Lalonde S., Li K., Li Y., RA Litt A., Lyons E., Manning G., Maruyama T., Michael T.P., Mikami K., RA Miyazaki S., Morinaga S., Murata T., Mueller-Roeber B., Nelson D.R., RA Obara M., Oguri Y., Olmstead R.G., Onodera N., Petersen B.L., Pils B., RA Prigge M., Rensing S.A., Riano-Pachon D.M., Roberts A.W., Sato Y., RA Scheller H.V., Schulz B., Schulz C., Shakirov E.V., Shibagaki N., RA Shinohara N., Shippen D.E., Soerensen I., Sotooka R., Sugimoto N., RA Sugita M., Sumikawa N., Tanurdzic M., Theissen G., Ulvskov P., Wakazuki S., RA Weng J.K., Willats W.W., Wipf D., Wolf P.G., Yang L., Zimmer A.D., Zhu Q., RA Mitros T., Hellsten U., Loque D., Otillar R., Salamov A., Schmutz J., RA Shapiro H., Lindquist E., Lucas S., Rokhsar D., Grigoriev I.V.; RT "The Selaginella genome identifies genetic changes associated with the RT evolution of vascular plants."; RL Science 332:960-963(2011). 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|HAMAP-Rule:MF_00860, CC ECO:0000256|RuleBase:RU003627}. CC -!- SUBUNIT: Heterohexadecamer of 8 large and 8 small subunits. CC {ECO:0000256|HAMAP-Rule:MF_00860, ECO:0000256|RuleBase:RU003627}. CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast {ECO:0000256|HAMAP- CC Rule:MF_00860}. 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:0000256|HAMAP-Rule:MF_00860}. CC -!- SIMILARITY: Belongs to the RuBisCO small chain family. CC {ECO:0000256|HAMAP-Rule:MF_00860, ECO:0000256|RuleBase:RU003627}. 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; GL377678; EFJ07999.1; -; Genomic_DNA. DR RefSeq; XP_002990955.1; XM_002990909.1. DR AlphaFoldDB; D8T5P3; -. DR STRING; 88036.D8T5P3; -. DR EnsemblPlants; EFJ07999; EFJ07999; SELMODRAFT_236158. DR Gramene; EFJ07999; EFJ07999; SELMODRAFT_236158. DR KEGG; smo:SELMODRAFT_236158; -. DR eggNOG; ENOG502QTPB; Eukaryota. DR HOGENOM; CLU_098114_1_0_1; -. DR InParanoid; D8T5P3; -. DR OMA; EAWIRII; -. DR Proteomes; UP000001514; Unassembled WGS sequence. DR GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell. DR GO; GO:0016984; F:ribulose-bisphosphate carboxylase activity; IEA:UniProtKB-UniRule. DR GO; GO:0009853; P:photorespiration; 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:SF28; RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL SUBUNIT, CHLOROPLASTIC 1; 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, ECO:0000256|HAMAP- KW Rule:MF_00860}; KW Carbon dioxide fixation {ECO:0000256|ARBA:ARBA00023300, ECO:0000256|HAMAP- KW Rule:MF_00860}; Chloroplast {ECO:0000256|HAMAP-Rule:MF_00860}; KW Photorespiration {ECO:0000256|ARBA:ARBA00023238, ECO:0000256|HAMAP- KW Rule:MF_00860}; KW Photosynthesis {ECO:0000256|ARBA:ARBA00022531, ECO:0000256|HAMAP- KW Rule:MF_00860}; KW Plastid {ECO:0000256|HAMAP-Rule:MF_00860, ECO:0000256|RuleBase:RU003627}; KW Reference proteome {ECO:0000313|Proteomes:UP000001514}. FT DOMAIN 46..154 FT /note="Ribulose bisphosphate carboxylase small subunit" FT /evidence="ECO:0000259|SMART:SM00961" FT REGION 1..30 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" SQ SEQUENCE 160 AA; 18146 MW; 60614149BE221BCE CRC64; METAAAPLNA RKPSTSFPKI DGSEPPVSSG SRVNCMQIVC PLSNSRFETL SYLPPLSPDN VAREIDYMLS KNWIPCLEFD HVGAISRENS REPGYYDGRY WTLWKLPMFG CSDPAQVLRE IEECKSMYPN AYIRVLGFDN IKQVQCISFI VQKPSKKQSE //