>2acaA (A:) observed residues (from ATOM records)
qgqfevelkyrvknhdaflnmvkqiehevmfennqesdwfydtpqrtltqqgkslvlrei
qpagiklwivkgpeadrceatnitkldsaqsmlenmgyeviqcskkirsiffvgefhitl
dfldgfghfaefaimtddetalaryrerlvalaqqfhlseadrehrsykeilsa