>4fl4H (H:) observed residues (from ATOM records)
assielkfdrnkgevgdiligtvrinniknfagfqvnivydpkvlmavdpetgkeftsst
fppgrtvlknnaygpiqiadndpekgilnfalaysyiagyketgvaeesgiiakigfkil
qkkstavkfqdtlsmpgaisgtqlfdwdgevitgyeviqpdvlsl