>4pqrA (A:) observed residues (from ATOM records)
pdrekalelavaqieksygkgsvmrlgdearqpisviptgsialdvalgigglprgrvie
iygpessgkttvalhavanaqaaggvaafidaehaldpdyakklgvdtdsllvsqpdtge
qaleiadmlirsgaldivvidsvaalvpraelegehvglqarlmsqalrkmtgalnnsgt
taifinqlttggkalkfyasvrmdvrrvetlkdgtnavgnrtrvkvvknkcsppfkqaef
dilygkgisregslidmgvdqglirksgawftyegeqlgqgkenarnflvenadvadeie
kkikeklgi