>3qxt_B mol:protein length:126 Anti-Methotrexate CDR1-3 Graft VHHGSQVQLVESGGGLVQAGGSLRLSCAASRRSSRSWAMAWFRQAPGKEREFVAKISGDGRLTTYGDSVKGRFTISRDKGKNTVYLQMDSLKPEDTAVYYCAADDNYVTASWRSGPDYWGQGTQVTVSS