>4yv7A (A:) observed residues (from ATOM records)
galkigfsqatqqspfyvaltdaakaeaqaqgdelfyadangditkqnndvqdlitrgin
vlvinpvdpkgvtpslaaaeaagikvvtvdrpvesgaasfvgrdnkamgelvgkaavdtl
gpdggkiieiqgdaggavardrrdgfqaavsgrpnitivegpycdyirskavtamqdllq
ahpdlkgvyaqnddmalgamqvlaennrtdvkvfgvdglmeavraiadgdqyvatalndp
daegrlaiqtaakvargesvpefvdagtglvdksnasalvgqstfaae