>4rytA (A:) observed residues (from ATOM records)
smrillsnddgvhapgiqtlakalrefadvqvvapdrnrsgasnsltlesslrtftfdng
diavqmgtptdcvylgvnalmrprpdivvsginagpnlgddviysgtvaaamagrhlgfp
alavslngyqhydtaaavtcallrglsreplrtgrilnvnvpdlplaqvkgirvtrcgsr
hpadkvipqedprgntlywigppgdkydagpdtdfaavdegyvsvtplhvdltahsahdv
vsdwldsvgvgtqw