>3t4xB (B:) observed residues (from ATOM records) amhmqlkgktalvtgstagigkaiatslvaeganvlingrreenvnetikeiraqypdai lqpvvadlgteqgcqdviekypkvdilinnlgifepveyfdipdedwfklfevnimsgvr ltrsylkkmierkegrvifiaseaaimpsqemahysatktmqlslsrslaelttgtnvtv ntimpgstltegvetmlnslypneqltieeaekrfmkenrptsiiqrlirpeeiahlvtf lssplssaingsalridgglvrsvf