cytosol to endoplasmic reticulum transport zinc ion import into organelle zinc ion import into endoplasmic reticulum zinc ion import across endoplasmic reticulum biological_process The directed import of zinc(2+) from the cytosol, across the endoplasmic reticulum membrane, into the endoplasmic reticulum. 2018-03-19T10:40:01Z zinc(2+) import across endoplasmic reticulum GO:0140209 This term covers zinc(2+) import *across* the endoplasmic reticulum membrane through a channel or pore. It does not cover import via vesicle fusion with endoplasmic reticulum membrane, as in this case transport does not involve crossing the membrane. zinc(2+) import into endoplasmic reticulum zinc ion import into ER pg