Recombinant Dermatophagoides pteronyssinus Mite allergen Der p 3 (DERP3) is a purified Recombinant Protein. Purity: >85% as determined by SDS-PAGE. Host: E. coli. Endotoxin Level: Not Tested. Species: Dermatophagoides pteronyssinus (European house dust mite). Target Name: Mite allergen Der p 3 (DERP3) . Accession Number: P39675, DERP3. Expression Region: 19-261aa. Tag Info: N-terminal 6xHis-tagged. Theoretical MW: 30.1kda. Target Synonyms: Allergen Der p III, Allergen: Der p 3 Restrictions: For Research Use Only. Not for use in diagnostic procedures.