>4y31A (A:) SEQRES residues gifafeneqsstvapaklykaltkdsdeivpkviepiqsveivegnggpgtikkiiaihd ghtsfvlhkldaideanltynysiiggegldeslekisyeskilpgpdggsigkinvkfh tkgdvlsetvrdqakfkglglfkaiegyvlahpdy