>4kb3I (I:) observed residues (from ATOM records)
atvrdpapqfsgkavvdgaikeinsndykgkyivlffypmdftfvcpteiiafsdrylef
eklntqviavscdseyshlawvntprkkgglgemkipvladksmeiardygvliesagia
lrglfvidkkgtlrhstindlpvgrnvdevlrvveafqyaden