>6iw4B (B:) observed residues (from ATOM records) ahcigitdrdfiegvhggtwvsatleqdkcvtvmapdkpsldisletvaidrpaevrkvc ynavlthvkindkcpstgeahlaeenegdnackrtysdrgwgngcglfgkgsivacakft caksmslfevdqtkiqyviraqlhvgakqenwntdiktlkfdalsgsqevefigygkatl ecqvqtavdfgnsyiaemeteswivdrqwaqdltlpwqsgsggvwremhhlvefepphaa tirvlalgnqegslktaltgamrvtkdtlyklhgghvscrvklsaltlkgtsykictdkm ffvknptdtghgtvvmqvkvskgapcripvivaddltaainkgilvtvnpiastnddevl ievnppfgdsyiivgrgdsrltyqwhke