>1nv4A (A:) observed residues (from ATOM records)
dtnivtltrfvmeegrkargtgemtqllnslctavkaistavrkagiahlygiagstnvt
gdqvkkldvlsndlvinvlkssfatcvlvseedknaiivepekrgkyvvcfdpldgssni
dclvsigtifgiyrknstdepsekdalqpgrnlvaagyalygsatmlvlamvngvncfml
dpaigefilvdrdvkikkkgsiysinegyakefdpaiteyiqrkkfppdnsapygaryvg
smvadvhrtlvyggifmypankkspkgklrllyecnpmayvmekagglattgkeavldiv
ptdihqrapiilgspedvtelleiyqkha