>7o4y_K mol:protein length:121 Anti-Kappa VHH domainXVQLXXSGGGXVQXGXSLXLSCXAXXXXXXXXXXXWXRQXPGXXREXVXXXXXXXXXXXXXDSXXGRFTXSXDXXXXXXXLQXXXLXXXDXAXYYCXXXXXXXXXXXXXXWGXGTXVTVSS