>1zv4X (X:) SEQRES residues
mhhhhhhssgvdlgtenlyfqsmnptaeevlswsqnfdkmmkapagrnlfreflrteyse
enllfwlacedlkkeqnkkvieekarmiyedyisilspkevsldsrvrevinrnlldpnp
hmyedaqlqiytlmhrdsfprflnsqiyksfvestags