>3QXU_1|Chains A, B, C, D|Anti-Methotrexate CDR1-3 Graft|Lama Glama (9844) GSQVQLVESGGGLVQAGGSLRLSCAASRRSSRSWAMAWFRQAPGKEREFVAKISGDGRLTTYGDSVKGRFTISRDKGKNTVYLQMDSLKPEDTAVYYCAADDNYVTASWRSGPDYWGQGTQVTVSS