>3c3tB (B:) observed residues (from ATOM records)
khslpdlpydygalephinaqimqlhhskhhaayvnnlnvteekyqealakgdvtaqial
qpalkfnggghinhsifwtnlspngggepkgelleaikrdfgsfdkfkekltaasvgvqg
sgwgwlgfnkerghlqiaacpnqdplqgttglipllgidvwdhayylqyknvrpdylkai
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