>3lt4A (A:) observed residues (from ATOM records)
edicfiagigdtngygwgiakelskrnvkiifgiwppvynifmknykngkfdndmiidkd
kkmnildmlpfdasfdtandideetknnkrynmlqnytiedvanlihqkygkinmlvhsl
anakevqkdllntsrkgyldalskssyslislckyfvnimkpqssiisltyhasqkvvpg
ygggmssakaalesdtrvlayhlgrnynirintisagplksraataintfidyaieysek
yaplrqkllstdigsvasfllsresraitgqtiyvdnglnimflpd