>2acaB (B:) observed residues (from ATOM records)
qgqfevelkyrvknhdaflnmvkqiehevmfennqesdwfydtpqrtltqqgkslvlrei
qpagiklwivkgpeadrceatnitkldsaqsmlenmgyeviqcskkirsiffvgefhitl
dfldgfghfaefaimtddetalaryrerlvalaqqfhlseadrehrsykeilsa