>1v4nA (A:) observed residues (from ATOM records)
ekasigiiggsglydpqiltnvkeikvytpygepsdniilgelegrkvaflprhgrghri
pphkinyraniwalkslgvkwviavsavgslrldykpgdfvvpnqfidmtkgrtytffdg
ptvahvsmadpfcehlrsiildsakdlgitthdkgtyiciegprfstraesivwkevfka
diigmtlvpevnlaceaemcysvigmvtdydvfadipvtaeevtkvmaentakvkkllye
virrlpekpderkcsccqalktalvl