>1v4nC (C:) observed residues (from ATOM records)
pkekasigiiggsglydpqiltnvkeikvytpygepsdniilgelegrkvaflprhgrgh
ripphkinyraniwalkslgvkwviavsavgslrldykpgdfvvpnqfidmtkgrtytff
dgptvahvsmadpfcehlrsiildsakdlgitthdkgtyiciegprfstraesivwkevf
kadiigmtlvpevnlaceaemcysvigmvtdydvfadipvtaeevtkvmaentakvkkll
yevirrlpekpderkcsccqalktalv