>d1n5xa1 a.56.1.1 (A:93-165) Xanthine oxidase, domain 2 {Cow (Bos taurus) [TaxId: 9913]} stktrlhpvqeriakshgsqcgfctpgivmsmytllrnqpeptveeiedafqgnlcrctg yrpilqgfrtfak