Immunogen sequence: IDGIVKNDKS DPKVRVKDDD RITLEGSTKE KTNNISILLS DLEFSDTGRY TCFVRNPKEK DLNNSATIFL QVVDKLEKVD NTVTLIILAV VGGVIGLLVC ILLLKKLITF ILKKTREKKK ECLVSSSGND NTENGLPGSK AEEKPPTKV. The SCN4B protein modulates channel gating kinetics. Causes negative