SUBCELLULAR LOCATION: Endoplasmic reticulum membrane {ECO:0000256|ARBA:ARBA00004115}; Single-pass type I membrane protein {ECO:0000256|ARBA:ARBA00004115}. Endoplasmic reticulum-Golgi intermediate compartment membrane {ECO:0000256|ARBA:ARBA00004151}; Single-pass type I membrane protein {ECO:0000256|ARBA:ARBA00004151}. Golgi apparatus, cis-Golgi network membrane {ECO:0000256|ARBA:ARBA00004619}; Single-pass type I membrane protein {ECO:0000256|ARBA:ARBA00004619}. Membrane {ECO:0000256|ARBA:ARBA00004479, ECO:0000256|RuleBase:RU003827}; Single- pass type I membrane protein {ECO:0000256|ARBA:ARBA00004479, ECO:0000256|RuleBase:RU003827}. SIMILARITY: Belongs to the EMP24/GP25L family. {ECO:0000256|ARBA:ARBA00007104, ECO:0000256|RuleBase:RU003827}. |