>4q3qD (D:) observed residues (from ATOM records)
llytsanflgiptnrgqpkigtyqgpelirksnffqlvaedgiqltdcgdiipvelneae
dpqrfgmkwsrsfslttlriaerveelmkqstplvivggdhsmatgtilghaeakpdlcv
lwidahgdintplnsasgnmhgmplsflvkelqdqipwlddfegikpclnasniayiglr
dldahethdirkhgiayftmldvdrmgieavikeallavnprlekaihlsfdidaldplv
apstgtavpggltlreglriceevsatgklsvvelaelnpllgsqedvlktqssavhilr
aclghcrsghlpfkvrnltdqgimsraahm