>4kkmA (A:) observed residues (from ATOM records)
mavnlktmmeqvaqdidrlfaeqlpvpedprrrlveamryaaigggkrlrpllvvatcal
fnvdreaalrvgmaiecihvyslihddmpcmdnddlrrgkptvhkafddasavlsgdalq
alafeilseekihtdphvrleliqalaiasgkdgmvggqaidlaaetstvpfdlptitrl
qqlktgalfgfcleagaimgrqnkdirdrlkayardiglafqiaddlidagkatflsllg
lekarsqaqalvdqaiahlsvfgseadylrsiaryiva