>2a27A (A:) observed residues (from ATOM records)
epfkqqkvedfydigeelgsgqfaivkkcrekstgleyaakfikkrqsrasrrgvsreei
erevsilrqvlhhnvitlhdvyenrtdvvlilelvsggelfdflaqkeslseeeatsfik
qildgvnylhtkkiahfdlkpenimlldknipiphiklidfglaheiedgvefknifgtp
efvapeivnyeplgleadmwsigvityillsgaspflgdtkqetlanitavsydfdeeff
sqtselakdfirkllvketrkrltiqealrhpwitpvdnqqamvrresvvnlenfrkqyv
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