GO:0005783; C:endoplasmic reticulum; ISS:HGNC.
GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
GO:0005794; C:Golgi apparatus; ISS:HGNC.
GO:0000139; C:Golgi membrane; IEA:UniProtKB-SubCell.
GO:0016021; C:integral to membrane; IEA:UniProtKB-KW.
GO:0005802; C:trans-Golgi network; ISS:HGNC.
GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
GO:0004767; F:sphingomyelin phosphodiesterase activity; IEA:EC.
GO:0050290; F:sphingomyelin phosphodiesterase D activity; ISS:HGNC.
GO:0071356; P:cellular response to tumor necrosis factor; IEA:Compara.
GO:0046513; P:ceramide biosynthetic process; IEA:Compara.
GO:0046475; P:glycerophospholipid catabolic process; IEA:Compara.
GO:0006685; P:sphingomyelin catabolic process; ISS:HGNC.