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Overview

Uniprot IDQ15005
Protein NameSignal peptidase complex subunit 2
Gene NameSPCS2
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
65 NSLDDSAKKVLLEKY

Function

Component of the signal peptidase complex (SPC) which catalyzes the cleavage of N-terminal signal sequences from nascent proteins as they are translocated into the lumen of the endoplasmic reticulum (PubMed:34388369). Enhances the enzymatic activity of SPC and facilitates the interactions between different components of the translocation site (By similarity)

Protein Sequence

10 MAAAAVQGGR 20 SGGSGGCSGA 30 GGASNCGTGS 40 GRSGLLDKWK 50 IDDKPVKIDK 60 WDGSAVKNSL 70 DDSAKKVLLE 80 KYKYVENFGL 90 IDGRLTICTI 100 SCFFAIVALI 110 WDYMHPFPES 120 KPVLALCVIS 130 YFVMMGILTI 140 YTSYKEKSIF 150 LVAHRKDPTG 160 MDPDDIWQLS 170 SSLKRFDDKY 180 TLKLTFISGR 190 TKQQREAEFT 200 KSIAKFFDHS 210 GTLVMDAYEP 220 EISRLHDSLA IERKIK

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005789 endoplasmic reticulum membrane
Cellular Component GO:0005787 signal peptidase complex
Biological Process GO:0045047 protein targeting to ER
Biological Process GO:0006465 signal peptide processing

Reference

[1] Hong H, Chen X, Wang H, Gu X, Yuan Y et al.. Global profiling of protein lysine lactylation and potential target modified protein analysis in hepatocellular carcinoma.. Proteomics 23(9):e2200432. 2023 May. PMID: 36625413.