About Products Protein Database Contact

SPP

Gene
SPP
Protein
Stromal processing peptidase, chloroplastic
Organism
Arabidopsis thaliana
Length
1265 amino acids
Function
Cleaves presequences (transit peptides) from chloroplastic protein precursors (PubMed:12795700). Initially recognizes a precursor by binding to the C-terminus of its transit peptide and then removes the transit peptide in a single endoproteolytic step. In a next step, pursues the cleavage of transit peptide to a subfragment form (By similarity).
Similarity
Belongs to the peptidase M16 family.
Mass
140.607 kDa
Sequence
MASSSSSIFTGVKFSPILAPFNSGDSRRSRYLKDSRNKVRFNPSSPRLTPHRVRVEAPSLIPYNGLWAAQPNSHKGRLKRNIVSGKEATGISLSQGRNFCLTCKRNQAGIRRALPSAFVDRTAFSLSRSSLTSSLRKHSQIVNATLGPDEPHAAGTAWPDGIVAERQDLDLLPPEIDSAELEAFLGCELPSHPKLHRGQLKNGLRYLILPNKVPPNRFEAHMEVHVGSIDEEEDEQGIAHMIEHVAFLGSKKREKLLGTGARSNAYTDFHHTVFHIHSPTHTKDSEDDLFPSVLDALNEIAFHPKFLSSRVEKERRAILSELQMMNTIEYRVDCQLLQHLHSENKLGRRFPIGLEEQIKKWDVDKIRKFHERWYFPANATLYIVGDIDNIPRIVHNIEAVFGKNGLDNESTPSSPSPGAFGAMANFLVPKLPAGLGGTFSNEKTNTADQSKMIKRERHAIRPPVEHNWSLPGTSVDLKPPQIFKHELLQNFAINMFCKIPVSKVQTFGDLRNVLMKRIFLSALHFRINTRYKSSNPPFTSVELDHSDSGREGCTVTTLTVTAEPQNWQNAVKVAVQEVRRLKEFGVTRGELTRYMDALLKDSEHLAAMIDNVSSVDNLDFIMESDALSHTVMDQTQGHETLVAVAGTVTLEEVNTVGAKVLEFISDFGRPTAPLPAAIVACVPTKVHVDGVGESDFNISPDEIIESVKSGLLAPIEAEPELEVPKELISQSQLKELTLQRNPCFVPIPGSGLTKLHDKETGITQLRLSNGIAVNYKKSTTESRAGVMRLIVGGGRAAETSDSKGAVVVGVRTLSEGGRVGDFSREQVELFCVNHLINCSLESTEEFIAMEFRFTLRDNGMQAAFQLLHMVLERSVWLEDAFDRARQLYLSYFRSIPKSLERATAHKLMIAMLNGDERFVEPTPKSLQSLNLESVKDAVMSHFVGDNMEVSIVGDFSEEEIERCILDYLGTVKASHDSAKPPGSEPILFRQPTAGLQFQQVFLKDTDERACAYIAGPAPNRWGFTVDGDDLFQSVSKLPVAHDGLLKSEEQLLEGGDRELQKKLRAHPLFFGVTMGLLAEIINSRLFTTVRDSLGLTYDVSFELNLFDRLNLGWYVISVTSTPGKVYKAVDACKSVLRGLHSNQIAPRELDRAKRTLLMRHEAELKSNAYWLNLLAHLQASSVPRKELSCIKELVSLYEAASIEDIYLAYNQLRVDEDSLYSCIGIAGAQAGEEITVLSEEEEPEDVFSGVVPVGRGSSMTTRPTT

Gene
SPP
Protein
Stromal processing peptidase, chloroplastic
Organism
Pisum sativum
Length
1257 amino acids
Function
Cleaves presequences (transit peptides) from chloroplastic protein precursors (PubMed:7638164, PubMed:1385116, PubMed:9636172). Initially recognizes a precursor by binding to the C-terminus of its transit peptide and then removes the transit peptide in a single endoproteolytic step. In a next step, pursues the cleavage of transit peptide to a subfragment form (PubMed:10508853, PubMed:12235143).
Similarity
Belongs to the peptidase M16 family.
Mass
139.346 kDa
Sequence
MAASTSTSSLSVVGTNLSLPPHRHHRHFHSPSSISTRIRTNRLFLSSSLAFSSPRDARVVHAGLGLRRNTPDVWKHYSSVLSQPTAPVPVRQSCTSCCLASAKKRRSNLPRFVPGAFFDSSSFGLSKDKLRHASVKRVQLPHATVGPDEPHAASTTWQEGVAEKQDLSLFDSELERLEGFLGSELPSHPKLHRGQLKNGIRYLILPNKVPPTRFEAHMEVHVGSIDEEDDEQGIAHMIEHVAFLGSKKREKLLGTGARSNAYTDFHHTVFHIHSPTSTKDSDDLLPSVLDALNEITFHPNFLASRIEKERRAILSELQMMNTIEYRVDCQLLQHLHSENKLSKRFPIGLEEQIKKWDADKIRKFHERWYFPANATLYIVGDIGNIPKTVNQIEAVFGQTGVDNEKGSVATSSAFGAMASFLVPKLSVGLGGNSIERPTNTTDQSKVFKKERHAVRPPVKHTWSLPGSSANLKPPQIFQHELLQNFSINMFCKIPVNKVQTYRDLRIVLMKRIFLSALHFRINTRYKSSNPPFTSVELDHSDSGREGCTVTTLTITAEPKNWQNAIRVAVHEVRRLKEFGVTQGELTRYLDALLRDSEHLAAMIDNVSSVDNLDFIMESDALGHKVMDQSQGHESLIAVAGTVTLDEVNSVGAQVLEFIADFGKLSAPLPAAIVACVPKKVHIEGAGETEFKISSTEITDAMKAGLDEPIEPEPELEVPKELVQSSTLQELKNQRKPAFIPVSPEIEAKKLHDEETGITRLRLANGIPVNYKISKSETQSGVMRLIVGGGRAAEGSDSRGSVIVGVRTLSEGGRVGNFSREQVELFCVNNQINCSLESTEEFISLEFRFTLRNNGMRAAFQLLHMVLEHSVWSDDALDRARQVYLSYYRSIPKSLERSTAHKLMVAMLDGDERFTEPTPSSLENLTLQSVKDAVMNQFVGNNMEVSIVGDFTEEEIESCILDYLGTAQATGNFKNQQQIIPPTFRLSPSSLQSQEVFLNDTDERACAYIAGPAPNRWGFTADGNDLLETIDNASSVNNNGTKSDALQTEGAPRRSLRSHPLFFGITMGLLSEIINSRLFTTVRDSLGLTYDVSFELNLFDRLKLGWYVVSVTSTPSKVHKAVDACKNVLRGLHSNGITVRELDRAKRTLLMRHEAEIKSNAYWLGLLAHLQSSSVPRKDLSCIKDLTSLYEAATIEDTCLAYEQLKVDEDSLYSCIGVSGAQAAQDIAAPVEEEEAGEGYPGVLPMGRGLSTMTRPTT

Gene
SPP
Protein
Stromal processing peptidase, chloroplastic
Organism
Oryza sativa subsp. japonica
Length
1246 amino acids
Function
Cleaves presequences (transit peptides) from chloroplastic protein precursors. Initially recognizes a precursor by binding to the C-terminus of its transit peptide and then removes the transit peptide in a single endoproteolytic step. In a next step, pursues the cleavage of transit peptide to a subfragment form.
Similarity
Belongs to the peptidase M16 family.
Mass
138.685 kDa
Sequence
MASFPSPPLAAAAAAAPPRLAPGLPLAAAAVRRPSSLARRSSIALAAPANPLRCIHRRAVSPRLRRRTEAVGAASAAIGSLGEEREGCLSCFPRGRRRGRPGLARFAPCALPHTYGLSSLHSGLTGAKIRRRHVLHAAGPDEPHVASPTWSETALDKHYVDQPIGKEELEGFLNTPLPSHPKLVRGQLKNGLRYLILPNKVPANRFEAHMEVHVGSIDEEEDEQGIAHMIEHVAFLGSKKREKLLGTGARSNAYTDFHHTVFHIHSPTKTKEYGEDLLPSVLDALNEIAFHPKFSSSRVEKERRAILSELQMMNTIEYRVDCQLLQHLHSENKLSERFPIGLEEQIHKWDPDKIRRFHERWYYPANATLYLVGEIDDIPRAIREIEAVFEHTLPEGEAAPMSTASPFGAMASLFAPKLPGGLAASLTGERSPAADKIKPVKRERQAIRPPVEHKWSLPGVAQDAKPPAIFQHELIQSFSINMFCKIPVNQVQTYKDLRSVLMKRIFLSALHFRINTRYKSSNPPFTSVELDHSDSGREGCTVTTLTVTAEPQNWRSAIKVAVHEVRRLKEFGVTMGEMTRYMDALIKDSEQLAMMIDSVPSVDNLDFIMESDALRHTVMDQLQGHESLLAVAETVTLEEVNTVGAEVLEFISDYGKPDAPLPAAIVACVPKKVHMDGVGETDFEIHPEEITDSIKAGLEEPIYPEPELEVPKELITRSELEDLKLQRKPSFASLSKEENVVKIFDDETGIAQRRLSNGISINYKITQNEARVGVMRLIVGGGRATEDSESKGSVIVGVRTLSEGGCVGNFSREQVELFCVNNLINCSLESNEEFIFMEFRFALRDNGMRAAFQLLHMVLEHNVWLEDAFDRATQLYLSYYRSIPKSLERSTAHKLMLAMLNHDERFVEPSPHSLQKLTLQSVKDAVMNQFVGDNMEVSIVGDFTEEEVESCVLDYLGTVSAPKSSKTQEHIEKISFLPFPSDLHFQQVYIKDTDERACAYIAGPAPNRWGFATEGNDLFNVIRSSSGDAQVSESANTDLTERKHNDVRSHSLFFGITLSLLAEIINSRLFTTVRDSMGLTYDVSFELNLFDKLDLGWYVIAVTSTPSKVHKAVDACKGVLRGLHSNKIVERELDRAKRTLLMKHEAETKTNAYWLGLLAHLQSSSVPRKEISCIKELTMLYESATIEDLYLAYEHLKVDESSLFACIGIAGAESGEETTDDELDMGLHGMGPIGGRGLSTMTRPTT

Gene
spp
Protein
Sucrose 6(F)-phosphate phosphorylase
Organism
Thermoanaerobacterium thermosaccharolyticum (strain ATCC 7956 / DSM 571 / NCIB 9385 / NCA 3814)
Length
488 amino acids
Function
Catalyzes the reversible phosphorolysis of sucrose 6(F)-phosphate into alpha-D-glucose 1-phosphate (Glc1P) and D-fructose 6-phosphate. May be involved in a new pathway for the degradation of sucrose, which could become phosphorylated on its fructose moiety during uptake via a PTS system. To a lesser extent, can also reversibly act on sucrose in vitro (PubMed:24599311). Is also able to catalyze transglycosylation reactions in vitro (PubMed:26074151).
Similarity
Belongs to the glycosyl hydrolase 13 family. Sucrose phosphorylase subfamily.
Mass
56.716 kDa
Sequence
MALKNKVQLITYPDSLGGNLKTLNDVLEKYFSDVFGGVHILPPFPSSGDRGFAPITYSEIEPKFGTWYDIKKMAENFDILLDLMVNHVSRRSIYFQDFLKKGRKSEYADMFITLDKLWKDGKPVKGDIEKMFLRRTLPYSTFKIEETGEEEKVWTTFGKTDPSEQIDLDVNSHLVREFLLEVFKTFSNFGVKIVRLDAVGYVIKKIGTSCFFVEPEIYEFLDWAKGQAASYGIELLLEVHSQFEVQYKLAERGFLIYDFILPFTVLYTLINKSNEMLYHYLKNRPINQFTMLDCHDGIPVKPDLDGLIDTKKAKEVVDICVQRGANLSLIYGDKYKSEDGFDVHQINCTYYSALNCDDDAYLAARAIQFFTPGIPQVYYVGLLAGVNDFEAVKKTKEGREINRHNYGLKEIEESVQKNVVQRLLKLIRFRNEYEAFNGEFFIEDCRKDEIRLTWKKDDKRCSLFIDLKTYKTTIDYINENGEEVKYLV

Gene
SPP
Protein
Signal peptide peptidase
Organism
Arabidopsis thaliana
Length
344 amino acids
Function
Intramembrane-cleaving aspartic protease (I-CLiP) that cleaves type II membrane signal peptides in the hydrophobic plane of the membrane (By similarity). Catalyzes intramembrane proteolysis of some signal peptides after they have been cleaved from a preprotein, resulting in the release of the fragment from the ER membrane into the cytoplasm (By similarity). Plays a critical role in the development and function of the reproductive tissues, especially in pollen development.
Similarity
Belongs to the peptidase A22B family.
Mass
38.339 kDa
Sequence
MKNCERFANLALAGLTLAPLVVRVNPNLNVILTACITVYVGCFRSVKDTPPTETMSKEHAMRFPLVGSAMLLSLFLLFKFLSKDLVNAVLTAYFFVLGIVALSATLLPAIRRFLPNPWNDNLIVWRFPYFKSLEVEFTKSQVVAGIPGTFFCAWYAWKKHWLANNILGLSFCIQGIEMLSLGSFKTGAILLAGLFFYDIFWVFFTPVMVSVAKSFDAPIKLLFPTGDALRPYSMLGLGDIVIPGIFVALALRFDVSRRRQPQYFTSAFIGYAVGVILTIVVMNWFQAAQPALLYIVPAVIGFLASHCIWNGDIKPLLAFDESKTEEATTDESKTSEEVNKAHDE