>4ls7A (A:) observed residues (from ATOM records)
mtkkrvvvtglgalsplgndvdtswnnaingvsgigpitrvdaeeypakvaaelkdfnve
dymdkkearkmdrftqyavvaakmavedadlnitdeiaprvgvwvgsgiggletlesqfe
ifltkgprrvspffvpmmipdmatgqisialgakgvnsctvtacatgtnsigdafkviqr
gdadvmvtggteapltrmsfagfsankalstnpdpktasrpfdknrdgfvmgegagiivl
eelehalargakiygeivgygstgdayhitapaqdgeggaramqeaikdagiapeeidyi
nahgtstyyndkyetmaiktvfgehahklavsstksmtghllgaaggieaifsilaikeg
vipptiniqtpdeecdldyvpdearrqelnyvlsnslgfgghnatlifkkyqs