>4b1tA (A:) SEQRES residues ivggytcgantvpyqvslnsgyhfcggslinsqwvvsaahcyksgiqvrlgedninvveg neqfisasksivhpsynsetynndimliklksaaslnsrvasislptscasagtqclisg wgntkssgtsypdvlkclkapilsdsscksassfiitsnmfcagyleggkdacqgdaggp vvcsgklqgivswgsgcaqknkpgvytkvcnyvswikqtiasn