SEC11_BLAGS
ID SEC11_BLAGS Reviewed; 196 AA.
AC C5JJG5; A0A179UKU1;
DT 21-SEP-2011, integrated into UniProtKB/Swiss-Prot.
DT 10-MAY-2017, sequence version 2.
DT 25-MAY-2022, entry version 55.
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=BDBG_03129;
OS Blastomyces gilchristii (strain SLH14081) (Blastomyces dermatitidis).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Onygenales; Ajellomycetaceae; Blastomyces.
OX NCBI_TaxID=559298;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SLH14081;
RX PubMed=26439490; DOI=10.1371/journal.pgen.1005493;
RA Munoz J.F., Gauthier G.M., Desjardins C.A., Gallo J.E., Holder J.,
RA Sullivan T.D., Marty A.J., Carmen J.C., Chen Z., Ding L., Gujja S.,
RA Magrini V., Misas E., Mitreva M., Priest M., Saif S., Whiston E.A.,
RA Young S., Zeng Q., Goldman W.E., Mardis E.R., Taylor J.W., McEwen J.G.,
RA Clay O.K., Klein B.S., Cuomo C.A.;
RT "The dynamic genome and transcriptome of the human fungal pathogen
RT Blastomyces and close relative Emmonsia.";
RL PLoS Genet. 11:E1005493-E1005493(2015).
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; GG657451; OAT07022.1; -; Genomic_DNA.
DR AlphaFoldDB; C5JJG5; -.
DR SMR; C5JJG5; -.
DR STRING; 559298.C5JJG5; -.
DR MEROPS; S26.010; -.
DR EnsemblFungi; OAT07022; OAT07022; BDBG_03129.
DR VEuPathDB; FungiDB:BDBG_03129; -.
DR HOGENOM; CLU_089996_0_0_1; -.
DR Proteomes; UP000002038; Unassembled WGS sequence.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005787; C:signal peptidase complex; IEA:EnsemblFungi.
DR GO; GO:0004252; F:serine-type endopeptidase activity; IEA:UniProtKB-EC.
DR GO; GO:0045047; P:protein targeting to ER; IEA:EnsemblFungi.
DR GO; GO:0006465; P:signal peptide processing; IEA:EnsemblFungi.
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 PANTHER; PTHR10806; PTHR10806; 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; Glycoprotein; Hydrolase; Membrane; Protease;
KW Reference proteome; Signal-anchor; Transmembrane; Transmembrane helix.
FT CHAIN 1..196
FT /note="Signal peptidase complex catalytic subunit SEC11"
FT /id="PRO_0000412311"
FT TOPO_DOM 1..14
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255"
FT TRANSMEM 15..33
FT /note="Helical; Signal-anchor for type II membrane protein"
FT /evidence="ECO:0000255"
FT TOPO_DOM 34..196
FT /note="Lumenal"
FT /evidence="ECO:0000255"
FT REGION 101..133
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 182..193
FT /note="C-terminal short (CTS) helix"
FT /evidence="ECO:0000250|UniProtKB:P67812"
FT COMPBIAS 117..133
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
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 138
FT /note="Charge relay system"
FT /evidence="ECO:0000250|UniProtKB:P15367"
FT CARBOHYD 134
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
SQ SEQUENCE 196 AA; 21870 MW; 0241AEE6D61FC5AE CRC64;
MLSSLSPYMA NPRQTFTQVL NFALVLSTAF MLWKGLSVYT NSASPIVVVL SGSMEPAFQR
GDLLFLWNRS PRVDVGEIVV YNVRGKDIPI VHRVMRTFPD VPGKDKTKKG GKQDVEASPS
SLESQKLLTK GDNNLSDDTE LYARGQDYLD RKEDIVGSVR GYIPAVGYVT IMLSEHPWLK
SVLLGFMGLM VILQRE
