>4a3rA (A:) observed residues (from ATOM records)
mpyivdvyarevldsrgnptvevevytetgafgralvpsgastgeyeavelrdgdkdryl
gkgvltavnnvneiiapellgfdvteqnaidqllieldgtenkgklganailgvsmacar
aaadflqiplyqylggfnsktlpvpmmnivnggehadnnvdiqefmimpvgapnfrealr
mgaqifhslksvlsakglntavgdeggfapnlgsneealqtiveaiekagfkpgeevkla
mdaassefynkedgkyhlsgegvvktsaemvdwyeelvskypiisiedgldendweghkl
lterlgkkvqlvgddlfvtntkklsegikngvgnsilikvnqigtltetfdaiemakrag
ytavishrsgetedstiadiavatnagqiktgapsrtdrvakynqllriedqlaetaqyh
ginsfynl