>d2nxzb2 b.1.1.3 (B:1098-1181) CD4 C2-set domains {Human (Homo sapiens) [TaxId: 9606]} fgltansdthllqgqsltltlesppgsspsvqcrsprgkniqggktlsvsqlelqdsgtw tctvlqnqkkvefkidivvlafqk