>4BCS_1|Chains A, B|CHIMERIC AVIDIN|GALLUS GALLUS (9031) ARKCSLTGKWTDDLGSNMTIGAVNSRGEFTGTYITAVADNPGNITLSPLLGIQHKRASQPTFGFTVNWKFSESTTVFTGQCFIDRNGKEVLKTMWLLRSSVNDISDDWIATRVGINIFTRQRTQK