SUMMARISING RUN PARAMETERS ========================== Input filename: raw_reads.fq.gz Trimming mode: single-end Trim Galore version: 0.4.1 Cutadapt version: 1.10 Quality Phred score cutoff: 20 Quality encoding type selected: ASCII+33 Adapter sequence: 'AGATCGGAAGAGC' (Illumina TruSeq, Sanger iPCR; default (inconclusive auto-detection)) Maximum trimming error rate: 0.1 (default) Minimum required adapter overlap (stringency): 1 bp Minimum required sequence length before a sequence gets removed: 20 bp Output file will be GZIP compressed This is cutadapt 1.10 with Python 2.7.12 Command line parameters: -f fastq -e 0.1 -q 20 -O 1 -a AGATCGGAAGAGC raw_reads.fq.gz Trimming 1 adapter with at most 10.0% errors in single-end mode ... Finished in 0.03 s (31 us/read; 1.92 M reads/minute). === Summary === Total reads processed: 1,000 Reads with adapters: 353 (35.3%) Reads written (passing filters): 1,000 (100.0%) Total basepairs processed: 51,000 bp Quality-trimmed: 58 bp (0.1%) Total written (filtered): 50,363 bp (98.8%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 353 times. No. of allowed errors: 0-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 34.0% C: 31.7% G: 17.0% T: 16.7% none/other: 0.6% Overview of removed sequences length count expect max.err error counts 1 247 250.0 0 247 2 83 62.5 0 83 3 20 15.6 0 20 4 1 3.9 0 1 51 2 0.0 1 0 2 RUN STATISTICS FOR INPUT FILE: raw_reads.fq.gz ============================================= 1000 sequences processed in total Sequences removed because they became shorter than the length cutoff of 20 bp: 2 (0.2%)