>1a5bA (A:) observed residues (from ATOM records) meryenlfaqlndrregafvpfvtlgdpgieqslkiidtlidagadalelgvpfsdplan gptiqnanlrafaagvtpaqcfemlalirekhptipigllmyanlvfnngidafyarceq vgvdsvlvadvpveesapfrqaalrhniapificppnadddllrqvasygrgytylliek lkeyhaapalqgfgisspeqvsaavragaagaisgsaivkiieknlaspkqmlaelrsfv samkaasra