Immunogen sequence: WWLCSLHGRQ GIVPGNRVKL LIGPMQETAS SHEQPASGLM QQTFGQQKLY QVPNPQAAPR DTIYQVPPSY QNQGIYQVPT GHGTQEQEVY QVPPS. HEF-1 is a multifunctional protein involved in integrin-based signaling that affects cell motility, growth, apoptosis and oncoge