>7z1x_B mol:protein length:132 VHH-2
QVQLVESGGGLVQPGGSLRLSCVDSRSWINVYGANWYRQAPGKERELVAALTSGGTTNYADSVKGRFTISRDNAKNTVYLQMRDLKPEDTAVYYCNLERYTGSSVYPWGQGTQVTVSSGGLPETGGHHHHHH