>1kfa_H mol:protein length:221 monoclonal antibody heavy chain
EVMLVESGGGLVKPGGSLKLSCAASGFTFSSYAMSWVRQTPERRLEWVATITTRGYTFYPDSVKGRFTVSRDNARNTLNLQMSSLRSEDTAMFYCTREGLLLDYFTMDYWGQGTSVTVSSAKTTPPSVYPLAPXXXXXXXSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSSRPSETVTCNVAHPASSTKVDKKIVPAD