SRR5241768

This is a small-RNA (miRNA-Seq) library from mouse run on an Illumina MiSeq, with short ~36 bp reads consistent with mature microRNA inserts. In QC terms it earns a solid B (83/100): base quality is excellent and trustworthy — pct_q30 of 96.6% and a mean base quality of 36.2 both score full marks, with zero adapter and N content, so the reads themselves are clean and reliable for mapping. The grade is held back almost entirely by a 97.27% duplication rate, which scored 0 and is the single dominant penalty; however, for miRNA-Seq this extreme duplication is largely expected biology rather than a library defect, because the small, highly expressed microRNA repertoire produces many genuinely identical reads, so a generic dedup-based penalty likely overstates the problem here. All contributing metrics were directly measured (evidence_strength is full), so this reading is not provisional — just be aware that for differential-expression reuse you should treat the duplication flag as assay-typical and verify complexity at the miRNA level rather than discarding the dataset on the raw duplication number alone.