Amjed Ali, Muhammad Tayyab, Abu Saeed Hashmi, Asif Nadeem, Shumaila Hanif, Sehrish Firyal, Shagufta Saeed, Ali Raza Awan and Muhammad Wasim, 2022. Characterization of a Novel Recombinant β-Lactamase from Bacillus subtilis R5. Pakistan J. Zool., 54: 2301-2308. DOI: https://dx.doi.org/10.17582/journal.pjz/20210718130706