>2d4aC (C:) observed residues (from ATOM records)
mitilgagkvgmatavmlmmrgyddllliartpgkpqgealdlahaaaelgvdirisgsn
syedmrgsdivlvtagigrkleanantmadlaekikayakdaivvittnpvdamtyvmyk
ktgfprervigfsgildsarmayyisqklgvsfksvnaivlgmhgqkmfpvprlssvggv
plehlmskeeieevvsetvnagakitelrgyssnygpaaglvltveaikrdskriypysl
ylqgeygyndivaevpavigksgieriielpltedekrkfdeavqavkklvetlppqlr