>2d4cA (A:) observed residues (from ATOM records)
hkatqkvsekvggaegtkldddfkemerkvdvtsravmeimtktieylqpnpasraklyp
qaeallaeamlkfgrelgddcnfgpalgevgeamrelsevkdsldievkqnfidplqnlh
dkdlreiqsalqhhlkklegrrldfdykkkrqgkipdeelrqalekfdeskeiaessmfn
llemdieqvsqlsalvqaqleyhkqavqilqqvtvrleerirqa