title: GSM6640553: sperm_traditional-treated rep4; Mus musculus; ncRNA-Seq
library_construction_protocol: Total RNAs were extracted by Trizol (Invitrogen). Then small RNAs sized at 15-50nt were excised from 15% (w/v) urea polyacrylamide gel. Small RNA libraries were constructed according to NEBNext® Multiplex Small RNA Library Prep Set for Illumina (New England Biolabs).