GO:0005789; C:endoplasmic reticulum membrane; IDA:UniProtKB.
GO:0016021; C:integral to membrane; IEA:UniProtKB-KW.
GO:0006987; P:activation of signaling protein activity involved in unfolded protein response; TAS:Reactome.
GO:0006874; P:cellular calcium ion homeostasis; IEA:Compara.
GO:0044267; P:cellular protein metabolic process; TAS:Reactome.
GO:0043154; P:negative regulation of cysteine-type endopeptidase activity involved in apoptotic process; IEA:Compara.
GO:0032092; P:positive regulation of protein binding; IEA:Compara.
GO:0031396; P:regulation of protein ubiquitination; IEA:Compara.
GO:0006511; P:ubiquitin-dependent protein catabolic process; IEA:Compara.