>4it1B (B:) observed residues (from ATOM records)
smkitrvtvtpiafrdppllnasgihepfalrsiieiesdngyiglgesygdapalaiqq
qvqsqligldpfnlnqlrrivqttvaahkpaslagaelapgshaskavsnaysafevafl
dlqarylnvplvdllggavrdevpfsaylffkyaqhvdspykpdnwgealneqqivaqaa
rmieaygfksiklkagtlppehevacikalkkafpgyplridpngnwsletsirmaellg
ddlqyyedptpglegmaelhkrtglplatnmvvtdfdefrrsvaqnsvqivladhhywgg
lrdtqtlakmcdtfglgvsmhsnshlgislmamahvaaavpnldyacdthypwqepdeev
ikggklpivdgcvkitrapglgleldhdqlgklhdqyltcgirqrddvrqmqrykpdwka
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