>3c7nB (B:) observed residues (from ATOM records)
kgpavgidlgttyscvgvfqhgkveiiandqgnrttpsyvaftdterligdaaknqvamn
ptntvfdakrligrrfddavvqsdmkhwpfmvvndagrpkvqveykgetksfypeevssm
vltkmkeiaeaylgktvtnavvtvpayfndsqrqatkdagtiaglnvlriineptaaaia
ygldkkvgaernvlifdlgggtfdvsiltiedgifevkstagdthlggedfdnrmvnhfi
aefkrkhkkdisenkravrrlrtacerakrtlssstqasieidslyegidfytsitrarf
eelnadlfrgtldpvekalrdakldksqihdivlvggstripkiqkllqdffngkelnks
inpdeavaygaavqaailsgdkdlllldvtplslgietaggvmtvlikrnttiptkqtqt
fttysdnqpgvliqvyegeramtkdnnllgkfeltgippaprgvpqievtfdidangiln
vsavdkstgkenkititndkgrlskediermvqeaekykaedekqrdkvssknslesyaf