>1tx7A (A:) SEQRES residues
ivggytcgantvpyqvslnsgyhfcggslinsqwvvsaahcyksgiqvrlgedninvveg
neqfisasksivhpsynsntlnndimliklksaaslnsrvasislptscasagtqclisg
wgntkssgtsypdvlkclkapilsdsscksaypgqitsnmfcagyleggkdscqgdsggp
vvcsgklqgivswgsgcaqknkpgvytkvcnyvswikqtiasn