Proteomic Dataset Details

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PXD030136 — Myxobolus honghuensis; Thelohanellus kitauei; Myxobolus wulii — Nematocysts

SpeciesMyxobolus honghuensis; Thelohanellus kitauei; Myxobolus wulii
ClassMyxozoa
Tissue / sampleNematocysts
Treatment / condition-
InstrumentQ Exactive HF
PRIDE project PXD030136
Publication PMID 35053089
Raw files9
Search space is a combined multi-species database
This deposit contains more than one species. The search database is the union of the proteomes available for those species, so an identification may come from any of them and the dataset is not attributable to a single species.

Original study vs CnidoSite re-processing

Parameter As reported by the original study As applied by CnidoSite
Search engine not stated Comet 2026.01 + Percolator (Crux 4.2)
Sequence database CCPRD custom database / study-specific /mnt/sda/jackie/cnidaria/2.anno/Myxobolus_honghuensis.pep; /mnt/sda/jackie/cnidaria/2.anno/Thelohanellus_kitauei.pep
Combined search space of Myxobolus honghuensis (reference), Thelohanellus kitauei (reference)
Enzyme (not restated) trypsin (fully enzymatic, 2 termini)  ·  up to 2 missed cleavages
Precursor tolerance not stated 10 ppm
Fragment tolerance not stated 0.02 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 not stated 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; 29 contaminant proteins identified and excluded from the reported protein list
Gene mapping Combined search space: peptides are mapped to gene models of whichever species in the deposit they match, and each protein links to that 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)
20,078 6,436 1,669 29

Pipeline version cnidosite-proteomics 1.0 · CnidoSite release 1.1 · incorporated 2026-09-21

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 PXD030136 # retrieve peak lists from PRIDE python3 2.pipeline/03_build_search_db.py "Myxobolus honghuensis; Thelohanellus kitauei; Myxobolus wulii" # proteome + cRAP python3 2.pipeline/04_run_search.py PXD030136 # writes comet.params, runs Comet python3 2.pipeline/05_fdr_percolator.py PXD030136 # Percolator, q ≤ 0.01 python3 2.pipeline/06_map_to_genes.py PXD030136 # 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
EVM0007958.1 MHONG_EVM0007958.1 66 598 39.9 1507 0.000254065 gene=EVM0007958
EVM0013745.1 MHONG_EVM0013745.1 57 181 38.1 1575 0.000254065 gene=EVM0013745
KII74575.1 TKITA_KII74575.1 42 110 28.1 1592 0.000254065 hypothetical protein RF11_16185 [Thelohanellus kitauei]
EVM0008257.1 MHONG_EVM0008257.1 39 138 26 1820 0.000254065 gene=EVM0008257
KII71942.1 TKITA_KII71942.1 32 99 30.1 1089 0.000254065 GTP-binding protein 1 [Thelohanellus kitauei]
KII73242.1 TKITA_KII73242.1 27 360 39.7 517 0.000254065 Serum response factor [Thelohanellus kitauei]
EVM0011333.1 MHONG_EVM0011333.1 26 143 43.9 697 0.000254065 gene=EVM0011333
EVM0003529.1 MHONG_EVM0003529.1 26 93 68.2 488 0.000254065 gene=EVM0003529
EVM0011848.1 MHONG_EVM0011848.1 26 64 18.2 1692 0.000254065 gene=EVM0011848
EVM0010657.1 MHONG_EVM0010657.1 24 106 64.8 446 0.000254065 gene=EVM0010657
KII73715.1 TKITA_KII73715.1 24 101 48.4 636 0.000254065 hypothetical protein RF11_11013 [Thelohanellus kitauei]
KII64171.1 TKITA_KII64171.1 24 75 59.1 435 0.000254065 hypothetical protein RF11_03226 [Thelohanellus kitauei]
EVM0001225.1 MHONG_EVM0001225.1 24 68 69.8 368 0.000254065 gene=EVM0001225
EVM0011159.1 MHONG_EVM0011159.1 24 49 17.6 1337 0.000254065 gene=EVM0011159
EVM0014152.1 MHONG_EVM0014152.1 23 168 60.6 391 0.000254065 gene=EVM0014152

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