>4x45A (A:) observed residues (from ATOM records)
adselqlveqrirsfpdfptpgvvfrdispvlkdpasfraaigllarhlkathggridyi
agldsrgflfgpslaqelglgcvlirkrgklpgptlwasysleygkaeleiqkdalepgq
rvvvvddllatggtmnaacellgrlqaevlecvslveltslkgreklapvpgfsllqye