SRP023505

ENA first seen 2013

Provenance — who produced it, who reused it

Linked to 1 papers in the literature. Roles are inferred factual signals (who deposited the data vs who reused it), with counts — never a judgement about any author.

Reused by

1 further paper cites this accession but reuse could not be confirmed.

Deep data QC

80/100 · B

Standardized, field-standard QC computed by touching the data — every metric states how it was obtained · evidence: measured

What this means

claude:haiku

Human gut amplicon survey from a 454 GS FLX Titanium platform with 442k long reads at 84% Q30. The longer reads improve taxonomic discrimination at the species level compared to shorter sequencing platforms.

Data type / assay

amplicon

Organism

human gut metagenome

Instrument

454 GS FLX Titanium

Platform

LS454

Files available

FASTQ (raw reads)

N numbers (samples, groups)

36 runs

Metrics (value · how obtained)

checksum ok yes reported

total bases 173267900 reported

total reads 442087 reported

n content pct 0.014 measured

pct q20 bases 95.5 measured

pct q30 bases 83.9 measured

gc content pct 53.9 measured

mean read length 329.8 measured

mean base quality 35.8 measured

adapter content pct 0 measured

duplication rate pct 98.54 measured

How this grade was computed

Weighted mean of 2 scored metric(s) → 80/100

The B grade is a transparent weighted average. Each metric below scored from 0–100% against the published amplicon thresholds, weighted by its importance; nothing is hidden or subjective.

pct q30 bases 83.9 measured ×1 70%

adapter content pct 0 measured ×0.5 100%

QC cost 2 s compute

measured = computed from the data · extrapolated/reported = derived or from the repository · dq-1.0