>6c4s_B mol:protein length:74 Proto-oncogene tyrosine-protein kinase Src,cSrc SH3 DomainHMTTFVALYDYESRTETDLSFKKGERLQIVNNTEGDWWLAHSLSTGQTGYIPSNYVAPSDGGGLPPPLPLPLPL