>3c99A (A:) observed residues (from ATOM records)
sfddaveervineeykiwkkntpflydlvmthalewpsltaqwlpdvtkqdgkdysvhrl
ilgthtsdeqnhlliasvqlpsedfgsvcgkieieikinhegevnrarympqnacviatk
tpssdvlvfdytkhpcqpdlrlrghqkegyglswnpnlngyllsasddhticlwdinatp
kehrvidakniftghtavvedvawhllheslfgsvaddqklmiwdtrnnntskpshtvda
htaevnclsfnpysefilatgsadktvalwdlrnlklklhsfeshkdeifqvqwsphnet
ilassgtdrrlhvwdlskigeeqstedaedgppellfihgghtakisdfswnpnepwiic
svsednimqvwqmaenvynd