>4pw5B (B:) observed residues (from ATOM records)
ivpsnhygpipgipvgstwrfrvqvseagvhrphvggihgrsndgayslvlaggfadevd
rgdeftytgsgsadqtltnmnralalncdaplddkigaesrnwragkpvrvirsfkgrki
skyapeegnrydgiykvvkywpeissshgflvwryllrrddvepapwtsegiersrrlcl
rlqypagy