>4w7nB (B:) observed residues (from ATOM records)
slntidiqgdilvgmhkqkqlfyffaindpatfkthlasdiapvvasvtqlsnvatqplv
alniafsntgllalgvtdnlgdslfangqakdatsfkestsswvpqfagtgihgviilas
dttdlidqqvasiestfgssisklsslsasirpgneaghemfgfldgiaqpaingfntpl
pgqnivdagviitgatndpitrpswavggsflafrqleqlvpefnkylldnapagsgslq
aradllgarmvgrwksgapidltptaddpalgadaqrnnnftyshagfdlgsdqshcpfs
ahirktrpradlggsltppnlsagansimrsgipygpevtsaesasntttqerglafvay
qaqlsqgfhflqqtsadnanfppgktpatvgldpiigqnngqprvvngllpsnssaslsi
pqfvvshggeyffsppisaiggrlsa