HEADER METAL TRANSPORT 31-DEC-69 6DR0 TITLE Class 5 IP3-bound human type 3 1,4,5-inositol trisphosphate receptor COMPND MOL_ID: 1; COMPND 2 MOLECULE: Inositol 1,4,5-trisphosphate receptor type 3; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES;