>4tnc_ (-) observed residues (from ATOM records)
amdqqaearaflseemiaefkaafdmfdadgggdistkelgtvmrmlgqnptkeeldaii
eevdedgsgtidfeeflvmmvrqmkedakgkseeeladcfrifdknadgfidieelgeil
ratgehvteediedlmkdsdknndgridfdeflkmmegvq