>2k7a_A mol:protein length:63 SH3 domain of Tyrosine-protein kinase ITK/TSK
GSPEETLVIALYDYQTNDPQELALRCDEEYYLLDSSEIHWWRVQDKNGHEGYAPSSYLVEKSP
>2k7a_B mol:protein length:110 SH2 domain of Tyrosine-protein kinase ITK/TSK
GSNNLETYEWYNKSISRDKAEKLLLDTGKEGAFMVRDSRTPGTYTVSVFTKAIISENPCIKHYHIKETNDSPKRYYVAEKYVFDSIPLLIQYHQYNGGGLVTRLRYPVCG