>1a5aA (A:) observed residues (from ATOM records)
meryenlfaqlndrregafvpfvtlgdpgieqslkiidtlidagadalelgvpfsdplan
gptiqnanlrafaagvtpaqcfemlalirekhptipigllmyanlvfnngidafyarceq
vgvdsvlvadvpveesapfrqaalrhniapificppnadddllrqvasygrgytylalpl
hhlieklkeyhaapalqgfgisspeqvsaavragaagaisgsaivkiieknlaspkqmla
elrsfvsamkaasra