>1mk3A (A:) SEQRES residues
atpasapdtralvadfvgyklrqkgyvcgagpgegpaadplhqamraagdefetrfrrtf
sdlaaqlhvtpgsaqqrftqvsdelfqggpnwgrlvaffvfgaalcaesvnkemevlvgq
vqewmvayletrladwihssggwaeftalygdgaleearrlregnwasvrlehhhhhh