>4i6gB (B:) observed residues (from ATOM records)
assvhwfrkglrlhdnpallaavrgarcvrcvyildpwfaasssvginrwrfllqsledl
dtslrklnsrlfvvrgqpadvfprlfkewgvtrltfeydsepfgkerdaaimkmakeagv
evvtenshtlydldriielngqkppltykrfqalisrmelpkkpavavssqqmescraei
qenhddtygvpsleelgfpteglgpavwqggetealarldkhlensllasptglspylrf
gclscrlfyyrlwdlykkvkrnstpplslfgqllwreffytaatnnprfdrmegnpiciq
ipwdrnpealakwaegktgfpwidaimtqlrqegwihhlarhavacfltrgdlwvswesg
vrvfdellldadfsvnagswmwlscsaffqqffhcycpvgfgrrtdpsgdyirrylpklk
gfpsryiyepwnapesvqkaakciigvdyprpivnhaetsrlniermkqiyqqlsr