>3ch1D (D:) observed residues (from ATOM records)
gphsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeyw
eretqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayeg
rdyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnartd
spkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgtfqk
wasvvvplgkeqnytcrvyheglpepltlrwep