>4pghA (A:) observed residues (from ATOM records)
aavadeeacmyamqlasssilpmtlknalelgllevlqkdagkalaaeevvarlpvaptn
paaadmvdrmlrllasydvvkcqmedkdgkyerrysaapvgkwltpnedgvsmaalalmn
qdkvlmeswyylkdavldggipfnkaygmtafeyhgtdprfnrvfnegmknhsviitkkl
lefytgfdesvstlvdvgggigatlhaitshhshirgvnfdlphviseappfpgvqhvgg
dmfksvpagdailmkwilhdwsdahcatllkncydalpekggkvivvecvlpvttdavpk
aqgvfhvdmimlahnpggreryerefrdlakaagfsgfkatyiyanawaiefik