>2w4rC (C:) observed residues (from ATOM records)
qrqqfpvehvqllcincmvavghgsdlrkvegthhvnvnpnfsnyynvsrdvfkdwkpgg
viscrncgevwglqmiyksvklpvlkvrsmlletpqgriqakkwsrvpfsvpdfdflqhc
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