GSM4447249

This is human bulk RNA-seq (expression profiling by high-throughput sequencing), and on the metrics actually measured it earns a clean A: base quality is excellent, with 98.9% of bases at Q30 and a mean base quality of 35, meaning the reads are highly accurate and well-suited to confident alignment and expression quantification. The grade is further reinforced by effectively zero adapter contamination and a low 1.54% duplication rate, indicating clean library prep and good library complexity rather than PCR-driven redundancy that would distort counts. The main caveat for reuse is the very short 28 bp mean read length, which is fine for gene-level expression but limits isoform resolution, splice-junction detection, and multi-mapping disambiguation. Note also that the score was driven almost entirely by per-base quality metrics; depth, mapping rate, and rRNA/intronic fractions were not part of this pass, so confirm sequencing depth and alignment statistics independently before relying on it for differential-expression or low-abundance transcript work.