3jrr is a 2 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
↑Yamazaki H, Chan J, Ikura M, Michikawa T, Mikoshiba K. Tyr-167/Trp-168 in type 1/3 inositol 1,4,5-trisphosphate receptor mediates functional coupling between ligand binding and channel opening. J Biol Chem. 2010 Nov 12;285(46):36081-91. doi: 10.1074/jbc.M110.140129. Epub, 2010 Sep 2. PMID:20813840 doi:https://dx.doi.org/10.1074/jbc.M110.140129
↑Giorgi C, Ito K, Lin HK, Santangelo C, Wieckowski MR, Lebiedzinska M, Bononi A, Bonora M, Duszynski J, Bernardi R, Rizzuto R, Tacchetti C, Pinton P, Pandolfi PP. PML regulates apoptosis at endoplasmic reticulum by modulating calcium release. Science. 2010 Nov 26;330(6008):1247-51. doi: 10.1126/science.1189157. Epub 2010, Oct 28. PMID:21030605 doi:https://dx.doi.org/10.1126/science.1189157