>2clhA (A:) observed residues (from ATOM records)
meryenlfaqlndrregafvpfvtlgdpgieqslkiidtlidagadalelgvpfsdplad
gptiqnanlrafaagvtpaqcfemlalirekhptipigllmyanlvfnngidafyarceq
vgvdsvlvadvpveesapfrqaalrhniapificppnadddllrqvasygrgytyllsrs
gvtghhlieklkeyhaapalqgfgisspeqvsaavragaagaisgsaivkiieknlaspk
qmlaelrsfvsamkaasra