>1ygbA (A:) observed residues (from ATOM records)
slsaheirelflsffekkghtrvksaplvpendptllfvnagmvpfknvflglekrpykr
atscqkclrvsgkhndleqvgytsrhhtffemlgnfsfgdyfkkeaieyawefvtevlkl
pkeklyvsvykddeeayriwnehigipseriwrlgeednfwqmgdvgpcgpsseiyvdrg
eeyegderyleiwnlvfmqynrdengvltplphpnidtgmgleriasvlqgknsnfeidi
ifpliqfgeevsgkkygekfetdvalrviadhlraitfaisdgvipsnegrgyvirrilr
ramrfgyklgienpflykgvdlvvdimkepypelelsrefvkgivkgeekrfiktlkagm
eyiqeviqkaleegrktlsgkevftaydtygfpvdlideiarekglgidlegfqceleeq
rerarkhpvyshlkelgktsafvgaaal