>4z0zC (C:) observed residues (from ATOM records)
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tkkqvddyrraiaamralpdddprsfvsqakihcaycnggytqvdsgfpdidiqihnswl
ffpfhrwylyfyerilgslidepnfalpywkwdepkgmpisniflgdasnplydqyrdan
hiedrivdldydgkdkdipdqqqvacnlstvyrdlvrngvdptsffggkyvagdspvang
dpsvgsveagsxtavhrwvgdptqpnnedmgnfysagydpvfyihhanvdrmwklwkelr
lpghvditdpdwlnasyvfydenkdlvrvynkdcvnldklkynfien