>6vln_K mol:protein length:121 anti Kappa VHH domainXVQLXXSGGGXVQXGXSLXLSCXAXXXXXXXXXXXWXRQXPGXXREXVXXXXXXXXXXXXXDSXXGRFTXSXDXXXXXXXLQXXXLXXXDXAXYYCXXXXXXXXXXXXXXWGXGTXVTVSS