ITEM#: 3042-HPA01108825UL
MFR#: HPA011088-25UL
STIM1 (stromal interaction molecule 1) is a transmembrane protein, which spans the membrane once. It predominantly resides in endoplasmic reticulum (ER), though some of it is found in the plasma membrane. It has a canonical EF-hand (cEF) domain, two