Human CD3ECD3D Heterodimer Protein, Llama FcLlama Fc, low endotoxin (CDD-H5258) is expressed from human 293 cells (HEK293). It conta ins AA Asp 23 - Asp 126 (CD3E) Phe 22 - Ala 105 (CD3D) (Accession P07766-1 (CD3E) P04234-1 (CD3D)). 1 * 100 µG