>7ak3A (A:) observed residues (from ATOM records)
mhlicqsgdvlsaryeivdtlgegafgkvvecidhkaggrhvavkivknvdryceaarse
iqvlehlnttdpnstfrcvqmlewfehhghicivfellglstydfikengflpfrldhir
kmayqicksvnflhsnklthtdlkpenilfvqsdyteaynpkikrdertlinpdikvvdf
gsatyddehhstlvstrhyrapevilalgwsqpcdvwsigcilieyylgftvfpthdske
hlammerilgplpkhmiqktrkrkyfhhdrldwdehssagryvsrackplkefmlsqdve
herlfdliqkmleydpakritlrealkhpffdllkks