>4lc3B (B:) observed residues (from ATOM records) apflpftrpeideetiqgvvevlrsgwittgpqcqkfeaalseycggrpvrvfnsgtctl eiglriagvgpgdevittpaswvstsnviietgatpvfadidpvtrnidldkleqaitpr tkaiipvflsglpvdmdrlyaiarahklrviedaaqafgstwhgkrigaigdlvsfsfha nknlttieggalvlnnedeavlaqkyrlqgitrtgfdgmdcdvlggkynltdvaarvglg qlphlerftaqrralarayfaafdggaaaklgvglpvaefengnwhmflvtlplerltit raefmaqmkergigtgihypaihlftlyrargfkegmfphaerygastvtlplftqmteg dvrrvvdavnqiceqygk