>4lnsA (A:) observed residues (from ATOM records)
ddgyssyvllqeqiltvkrsfsealekelnlvevrapilfrvgdgtqdavqvpvkaipna
sfevvhslakwkrrtlanykfapghglythmtalrvddvldnihsvvvdqwdwemvmkdd
qrnlaflkevvckvyaairktelavcekykqkpilpetiqfvhaehlllaypnltakere
reiareygavfligigavlsslsslkglngdillynptlddslevssmgirvnaealrhq
isltgddsllksewhqqllngefpqtvgggigqsrmvmfmlrkkhigevqcsvwpeeirk
khnl