>2j4iA (A:) observed residues (from ATOM records)
ivggqeckdgecpwqallineenegfcggtilsefyiltaahclyqakrfkvrvgdrnte
qegeavhevevvikhnrftketydfdiavlrlktpitfrmnvapaclperdwaestlmtq
ktgivsgfgrthekgrqstrlkmlevpyvdrnscklsssfiitqnmfcagydtkqedacq
gdsggphvtrfkdtyfvtgivswgegcarkgkygiytkvtaflkwidrsmkt