>2f22B (B:) observed residues (from ATOM records)
mdtngvlyaanmtnalakeipeskwdiqlipelgtlrklfihivrvrdvyrdglktgsik
fpgrlasdehrlldelersmeelvfefkqttfnsikmgenylsimellgtviqhegihqg
qyyvalkqsginlpkqwvqdwhm