Proteomic Dataset Details

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PXD045587 — Exaiptasia diaphana — Symbiont Durusdinium trenchii

SpeciesExaiptasia diaphana
ClassHexacorallia
Tissue / sampleSymbiont Durusdinium trenchii
Treatment / conditionSymbiosis establishment
InstrumentLTQ-Orbitrap (HCD, ITMS detection)
PRIDE project PXD045587
Publication PMID 38988135
Raw files448

Original study vs CnidoSite re-processing

Parameter As reported by the original study As applied by CnidoSite
Search engine MaxQuant (Andromeda) Comet 2026.01 + Percolator (Crux 4.2)
Sequence database Trinity+TransDecoder assembly of the same animal (D1a.Transdecoder.fasta)
CnidoSite reference proteome (2.anno), BUSCO-validated
Enzyme (not restated) trypsin/P (fully enzymatic, 2 termini)  ·  up to 2 missed cleavages
Precursor tolerance 20 ppm first / 4.5 ppm main 10 ppm
Fragment tolerance not stated 0.5 Da
Fixed modification C+57.021464 (carbamidomethyl cysteine)
Variable modification M+15.9949 (methionine oxidation)
Decoy strategy Comet internal reversed (1:1)
False discovery rate 1% q ≤ 0.01 at the PSM level (Percolator q-values, target-decoy); protein level q ≤ 0.01
Quantification spectral counting (PSMs)
Contaminants cRAP appended and flagged; 16 contaminant proteins identified and excluded from the reported protein list
Gene mapping Peptides mapped to CnidoSite gene models; each protein links to its gene page

Outcome of re-processing

Re-processed successfully. reprocessed against the CnidoSite reference proteome
PSMs at q≤0.01Peptides at q≤0.01 Gene-linked proteinsContaminants (excluded)
113,323 10,482 2,805 16

Pipeline version cnidosite-proteomics 1.0 · CnidoSite release 1.1 · incorporated 2026-09-20

Reproducing this dataset

Every stage is a single command; the parameter file written by stage 2 is the one shown in the table above.

python3 2.pipeline/02_fetch_pride.py PXD045587 # retrieve peak lists from PRIDE python3 2.pipeline/03_build_search_db.py "Exaiptasia diaphana" # proteome + cRAP python3 2.pipeline/04_run_search.py PXD045587 # writes comet.params, runs Comet python3 2.pipeline/05_fdr_percolator.py PXD045587 # Percolator, q ≤ 0.01 python3 2.pipeline/06_map_to_genes.py PXD045587 # peptides -> CnidoSite genes python3 2.pipeline/07_build_tables.py --release 1.1 # load tables + SQL

Most strongly supported proteins in this dataset

GeneProtein Unique peptidesPSMsCoverage (%) LengthBest qDescription
KXJ13133.1 EDIAP_KXJ13133.1 145 1515 20.4 9496 0.000174307 Agrin [Exaiptasia diaphana]
KXJ17389.1 EDIAP_KXJ17389.1 133 2272 45.6 2825 0.000174307 hypothetical protein AC249_AIPGENE23779 [Exaiptasia diaphana]
KXJ26570.1 EDIAP_KXJ26570.1 128 2834 48.9 1944 0.000174307 [Protein ADP-ribosylarginine] hydrolase [Exaiptasia diaphana]
KXJ11690.1 EDIAP_KXJ11690.1 120 1133 14.1 10785 0.000174307 High affinity cationic amino acid transporter 1 [Exaiptasia diaphana]
KXJ13091.1 EDIAP_KXJ13091.1 88 1027 31.1 2871 0.000174307 Peroxisomal biogenesis factor 19 [Exaiptasia diaphana]
KXJ26578.1 EDIAP_KXJ26578.1 83 1064 42.9 1966 0.000174307 hypothetical protein AC249_AIPGENE8218 [Exaiptasia diaphana]
KXJ15312.1 EDIAP_KXJ15312.1 78 982 41.4 2353 0.000174307 Sushi, von Willebrand factor type A, EGF and pentraxin domain-containing protein 1 [Exaiptasia diaphana]
KXJ25225.1 EDIAP_KXJ25225.1 78 975 29.4 2799 0.000174307 hypothetical protein AC249_AIPGENE22509 [Exaiptasia diaphana]
KXJ20344.1 EDIAP_KXJ20344.1 71 853 50.4 1682 0.000174307 Alpha-tubulin N-acetyltransferase [Exaiptasia diaphana]
KXJ15583.1 EDIAP_KXJ15583.1 63 1256 35.4 2001 0.000174307 hypothetical protein AC249_AIPGENE10299 [Exaiptasia diaphana]
KXJ09111.1 EDIAP_KXJ09111.1 63 289 9 10714 0.000174307 DNA-binding protein SATB1 [Exaiptasia diaphana]
KXJ30222.1 EDIAP_KXJ30222.1 53 857 25.3 3185 0.000174307 Mannose-1-phosphate guanyltransferase beta-B [Exaiptasia diaphana]
KXJ09375.1 EDIAP_KXJ09375.1 48 467 12.6 4428 0.000174307 Transmembrane protein 230 [Exaiptasia diaphana]
KXJ24050.1 EDIAP_KXJ24050.1 47 332 13.8 4392 0.000174307 hypothetical protein AC249_AIPGENE25573 [Exaiptasia diaphana]
KXJ27556.1 EDIAP_KXJ27556.1 46 267 8.2 9092 0.000174307 Zonadhesin [Exaiptasia diaphana]

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