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SEC11_PENRW
ID   SEC11_PENRW             Reviewed;         175 AA.
AC   B6HC89;
DT   21-SEP-2011, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 1.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Signal peptidase complex catalytic subunit sec11;
DE            EC=3.4.21.89 {ECO:0000250|UniProtKB:P15367};
DE   AltName: Full=Signal peptidase I;
GN   Name=sec11; ORFNames=Pc18g01170;
OS   Penicillium rubens (strain ATCC 28089 / DSM 1075 / NRRL 1951 / Wisconsin
OS   54-1255) (Penicillium chrysogenum).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC   Eurotiomycetidae; Eurotiales; Aspergillaceae; Penicillium;
OC   Penicillium chrysogenum species complex.
OX   NCBI_TaxID=500485;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 28089 / DSM 1075 / NRRL 1951 / Wisconsin 54-1255;
RX   PubMed=18820685; DOI=10.1038/nbt.1498;
RA   van den Berg M.A., Albang R., Albermann K., Badger J.H., Daran J.-M.,
RA   Driessen A.J.M., Garcia-Estrada C., Fedorova N.D., Harris D.M.,
RA   Heijne W.H.M., Joardar V.S., Kiel J.A.K.W., Kovalchuk A., Martin J.F.,
RA   Nierman W.C., Nijland J.G., Pronk J.T., Roubos J.A., van der Klei I.J.,
RA   van Peij N.N.M.E., Veenhuis M., von Doehren H., Wagner C., Wortman J.R.,
RA   Bovenberg R.A.L.;
RT   "Genome sequencing and analysis of the filamentous fungus Penicillium
RT   chrysogenum.";
RL   Nat. Biotechnol. 26:1161-1168(2008).
CC   -!- FUNCTION: Catalytic component of the signal peptidase complex (SPC)
CC       which catalyzes the cleavage of N-terminal signal sequences from
CC       nascent proteins as they are translocated into the lumen of the
CC       endoplasmic reticulum (By similarity). Specifically cleaves N-terminal
CC       signal peptides that contain a hydrophobic alpha-helix (h-region)
CC       shorter than 18-20 amino acids (By similarity).
CC       {ECO:0000250|UniProtKB:P15367, ECO:0000250|UniProtKB:P67812}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Cleavage of hydrophobic, N-terminal signal or leader sequences
CC         from secreted and periplasmic proteins.; EC=3.4.21.89;
CC         Evidence={ECO:0000250|UniProtKB:P15367};
CC   -!- SUBUNIT: Component of the signal peptidase complex (SPC) composed of a
CC       catalytic subunit SEC11 and three accessory subunits SPC1, SPC2 and
CC       SPC3 (By similarity). The complex induces a local thinning of the ER
CC       membrane which is used to measure the length of the signal peptide (SP)
CC       h-region of protein substrates. This ensures the selectivity of the
CC       complex towards h-regions shorter than 18-20 amino acids (By
CC       similarity). SPC associates with the translocon complex (By
CC       similarity). {ECO:0000250|UniProtKB:P15367,
CC       ECO:0000250|UniProtKB:P67812}.
CC   -!- SUBCELLULAR LOCATION: Endoplasmic reticulum membrane
CC       {ECO:0000250|UniProtKB:P15367}; Single-pass type II membrane protein
CC       {ECO:0000250|UniProtKB:P15367}.
CC   -!- DOMAIN: The C-terminal short (CTS) helix is essential for catalytic
CC       activity. It may be accommodated as a transmembrane helix in the
CC       thinned membrane environment of the complex, similarly to the signal
CC       peptide in the complex substrates. {ECO:0000250|UniProtKB:P67812}.
CC   -!- SIMILARITY: Belongs to the peptidase S26B family. {ECO:0000305}.
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DR   EMBL; AM920433; CAP94341.1; -; Genomic_DNA.
DR   RefSeq; XP_002561963.1; XM_002561917.1.
DR   AlphaFoldDB; B6HC89; -.
DR   SMR; B6HC89; -.
DR   STRING; 1108849.XP_002561963.1; -.
DR   MEROPS; S26.010; -.
DR   EnsemblFungi; CAP94341; CAP94341; PCH_Pc18g01170.
DR   GeneID; 8314664; -.
DR   KEGG; pcs:Pc18g01170; -.
DR   VEuPathDB; FungiDB:PCH_Pc18g01170; -.
DR   eggNOG; KOG3342; Eukaryota.
DR   HOGENOM; CLU_089996_0_0_1; -.
DR   OMA; YNVRGKD; -.
DR   OrthoDB; 1486616at2759; -.
DR   BioCyc; PCHR:PC18G01170-MON; -.
DR   Proteomes; UP000000724; Contig Pc00c18.
DR   GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0004252; F:serine-type endopeptidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006465; P:signal peptide processing; IEA:InterPro.
DR   CDD; cd06530; S26_SPase_I; 1.
DR   InterPro; IPR036286; LexA/Signal_pep-like_sf.
DR   InterPro; IPR019756; Pept_S26A_signal_pept_1_Ser-AS.
DR   InterPro; IPR019533; Peptidase_S26.
DR   InterPro; IPR001733; Peptidase_S26B.
DR   InterPro; IPR027245; Sec11.
DR   PANTHER; PTHR10806; PTHR10806; 1.
DR   PANTHER; PTHR10806:SF6; PTHR10806:SF6; 1.
DR   PRINTS; PR00728; SIGNALPTASE.
DR   SUPFAM; SSF51306; SSF51306; 1.
DR   TIGRFAMs; TIGR02228; sigpep_I_arch; 1.
DR   PROSITE; PS00501; SPASE_I_1; 1.
PE   3: Inferred from homology;
KW   Endoplasmic reticulum; Hydrolase; Membrane; Protease; Reference proteome;
KW   Signal-anchor; Transmembrane; Transmembrane helix.
FT   CHAIN           1..175
FT                   /note="Signal peptidase complex catalytic subunit sec11"
FT                   /id="PRO_5000409429"
FT   TOPO_DOM        1..14
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        15..31
FT                   /note="Helical; Signal-anchor for type II membrane protein"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        32..175
FT                   /note="Lumenal"
FT                   /evidence="ECO:0000255"
FT   REGION          161..172
FT                   /note="C-terminal short (CTS) helix"
FT                   /evidence="ECO:0000250|UniProtKB:P67812"
FT   ACT_SITE        53
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250|UniProtKB:P15367"
FT   ACT_SITE        92
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250|UniProtKB:P15367"
FT   ACT_SITE        117
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250|UniProtKB:P15367"
SQ   SEQUENCE   175 AA;  19415 MW;  CBE9D80B9B249559 CRC64;
     MLSSLSSSIT NARQSIAQVL NFALVLSTAF MMWKGLSVVS ASSSPIVVVL SGSMEPAFQR
     GDLLFLWNRD TRTEIGEVLV YNVRGKSIPI VHRVVRTFPE VEGRASAKKG DNNLADDTEL
     YAQDQDYLDR AEDIVGSVRG YIPMVGYVTI MLSEHPWLKT VMLGLMGLMV MIQRE
 
 
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