>6fy2X (X:) observed residues (from ATOM records)
evqlvqsgaevkkpgeslkisckgsgyrfpsswigwvrqvpgkglewmgiiypgdgetry
rasfqgqvtisadqssntaylqwsslkasdtamyycarhgrgvrevinafdiwgqgtmvt
vssastkgpsvfplapsgtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssgly
slssvvtvpssslgtqtyicnvnhkpsntkvdkkvepks