>1p4lA (A:) observed residues (from ATOM records)
phslryfvtavsrpglgeprymevgyvddtefvrfdsdaenpryeprarwmeqegpeywe
retqkakgneqsfrvdlrtllgyynqskggshtiqvisgcevgsdgrllrgyqqyaydgc
dyialnedlktwtaadmaalitkhkweqageaerlraylegtcvewlrrylkngnatllr
tdspkahvthhsrpedkvtlrcwalgfypaditltwqlngeeliqdmelvetrpagdgtf
qkwasvvvplgkeqyytchvyhqglpepltlrw