>7k4rA (A:) observed residues (from ATOM records)
maeaaqsvdqlikargkvyfgvatdqnrlttgknaaiiqadfgmvwpensmqwdatepsq
gnfnfagadylvnwaqqngkligggmlvwhsqlpswvssitdkntltnvmknhittlmtr
ykgkirawdvvgeafnedgslrqtvflnvigedyipiafqtaraadpnaklyimdynlds
asypktqaivnrvkqwraagvpidgigsqthlsagqgagvlqalpllasagtpevsilml
dvagasptdyvnvvnaclnvqscvgitvfgvadpdswrasttpllfdgnfnpkpaynaiv
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