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