>1MBM_1|Chains A, B, C, D|chymotrypsin-like serine protease|Equine arteritis virus (11047) KARGNVGFVAGSSYGTGSVWTRNNEVVVLTASHVVGRANMATLKIGDAMLTLTFKKNGDFAEAVTTQSELPGNWPQLHFAQPTTGPASWCTATGDEEGLLSGEVCLAWTTSGDSGSAVVQGDAVVGVHTGSNTSGVAYVTTPSGKLLGADTVTLSSLSKHFTGPLTSIPKDIPDNIIADVDAVPRSLAMLIDGLSNRE