>4a63K (K:) observed residues (from ATOM records)
vipsntdypgphhfevtfqqsstaksatwtyspllkklycqiaktcpiqikvstppppgt
airampvykkaehvtdvvkrcpnhelgrdfnegqsapashlirvegnnlsqyvddpvtgr
qsvvvpyeppqvgtefttilynfmcnsscvggmnrrpiliiitlemrdgqvlgrrsfegr
icacpgrdrkadedhyreaenlyfq