Biotinylated Human ITGAV&ITGB1 Heterodimer Protein, His,Avitag&Tag Free (IT1-H82W6) is expressed from human 293 cells (HEK293). It contains AA Phe 31 - Val 992 (ITGAV) & Gln 21 - Asp 728 (ITGB1) (Accession # NP_002201.1 (ITGAV) & NP_002202.2 (ITGB1)).