O77751 Transmembrane TMEM109 9986 None SL-0178 SL-0182 SL-0183 Nucleus outer membrane {ECO:0000269|PubMed:9720923}; Multi-pass membrane protein {ECO:0000305|PubMed:21381722}. Endoplasmic reticulum membrane {ECO:0000269|PubMed:21381722, ECO:0000269|PubMed:9720923}; Multi-pass membrane protein {ECO:0000305|PubMed:21381722}. Sarcoplasmic reticulum membrane {ECO:0000269|PubMed:21381722, ECO:0000269|PubMed:9720923}; Multi-pass membrane protein {ECO:0000269|PubMed:21381722}. UNIPROT O77751 May mediate cellular response to DNA damage by protecting against ultraviolet C-induced cell death (By similarity). Can form voltage-gated calcium and potassium channels in vitro (PubMed:21381722). {ECO:0000250|UniProtKB:Q3UBX0, ECO:0000250|UniProtKB:Q9BVC6, ECO:0000269|PubMed:21381722}. GO:0005783 GO:0016021 GO:0031965 GO:0005640 GO:0033017 GO:0005244 GO:0071480 GO:0060548 GO:0034765 Transmembrane UniProt Sequence Analysis {ECO:0000255} MAGSGSSAPWGKHLLHAVLMVLVALVLLHSALAQSHRDFAPPGQQRREAPVDLLTQIGRSVRETLDTWIGPETMHLISETLSQVMWAISSAISVAFFALSGIAAQLLTALGLDGDHLTQGLKLSPSQVQTFLLWGAGALVVYWLLSLLLGLVLAVLGRILGGLKLVIFLAGFVALVRSVPDPSTRALLLLALLTLYALLSRLTGSRASGAQLEAKVRGLERQVDELRWRQRRAAKGARSVEEE 243