>4qcfA (A:) observed residues (from ATOM records)
aqpfawqvasladryeesfdigaavephqlngrqgkvlkhhynsivaenamkpislqpee
gvftwdgadaivefarknnmnlrfhtlvwhnqvpdwffldeegnpmveetneakrqanke
lllerlethiktvverykddvtawdvvnevvddgtpnerglresvwyqitgdeyirvafe
tarkyagedaklfindyntevtpkrdhlynlvqdlladgvpidgvghqahiqidwptide
irtsmemfaglgldnqvteldvslygwpprpafptydaipqerfqaqadrynqlfelyee
ldadlssvtfwgiadnhtwlddrareyndgvgkdapfvfdpnyrvkpafwriid