>2etz_A: Tyrosine-protein kinase ITK/TSK XNNLETYEWYNKSISRDKAEKLLLDTGKEGAFMVRDSRTPGTYTVSVFTKAIISENPCIKHYHIKETNDSPKRYYVAEKY VFDSIPLLIQYHQYNGGGLVTRLRYPVCG >2etz_B: Lymphocyte cytosolic protein 2 phosphopeptide fragment XADYEPPX