. . . . . . . . "519"^^ . . "521"^^ . . "A beta strand occurs in NX_Q9H3D4-2 at amino acids 519 - 521." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .