ChemGrid

CHEMGRID MOLECULE CARD

SEMUSTINE

SEMUSTINE in ChemGrid: 616 screened assays, 458 with significant responses. Explore chemical identifiers, strain activity and target evidence.

SPE01503422

Explore activity & SONAR
Chemical structure of SEMUSTINE
Stored molecular structure
616Screened assays
458Significant assay responses
10Source-labelled target records

Identity and chemistry

ChemGrid identifier
SPE01503422
Molecular formula
C10ClH18N3O2
CAS registry number
13909-09-6
InChIKey
FVLVBPDQNARYJU-UHFFFAOYSA-N
Libraries
Spectrum, SPECMTS3, SpectrumTMP, Spectrum_ED
Other recorded names
Semustine
Stored SMILESCC1CCC(CC1)NC(=O)N(CCCl)N=O

Matched external records: PubChem 5198

Chemical identifiers and library names are reproduced from ChemGrid records. Missing values are omitted.

Measured chemical–genetic activity

616 measurements across 616 distinct library–species–strain assays; 458 assays have at least one significant response (|Z| ≥ 4, p ≤ 0.001, excluding flagged outliers).

Responses are indirect screening phenotypes. They do not establish that a strain gene is a direct molecular target. Strains and timepoints are retained as recorded; these counts are not counts of unique ORFs.

Up to 12 strongest recorded single-strain responses by absolute Z-score
StrainLibrarySpecies identifierZ-score
wNif21SpectrumTMP4932-48.47
pom152SPECMTS34932-47.93
bbrASA18SpectrumTMP4932-46.30
lat1SPECMTS34932-44.93
vid30SPECMTS34932-44.60
gim4SPECMTS34932-43.12
bbr4ATP18SpectrumTMP4932-43.00
wCLE21SpectrumTMP4932-42.06
abp1SPECMTS34932-41.79
BBR_HET_tri_24hSpectrumTMP4932-41.07
BY4741SPECMTS34932-40.80
bbrCED18SpectrumTMP4932-40.73

Spectrum compound-combination identifiers are excluded from this short table. The interactive profile retains the full measurements.

Recorded target evidence and yeast matches

Source annotations are shown separately from SONAR hypotheses. Evidence type and identity matching can vary; consult the linked source and interactive evidence panel.

TargetSourceYeast ORF / orthologue
Luciferin 4-monooxygenaseChEMBLNo stored yeast mapping
ADRA2A · Alpha-2A adrenergic receptorChEMBLNo stored yeast mapping
ALDH1A1 · Aldehyde dehydrogenase 1A1ChEMBLALD5 YER073W (ortholog_many2many); ALD3 YMR169C (ortholog_many2many); ALD2 YMR170C (ortholog_many2many); ALD4 YOR374W (ortholog_many2many); ALD6 YPL061W (ortholog_many2many)
BRCA1 · Breast cancer type 1 susceptibility proteinChEMBLNo stored yeast mapping
Pmp22 · Peripheral myelin protein 22ChEMBLNo stored yeast mapping
POLH · DNA polymerase etaChEMBLRAD30 YDR419W (ortholog_one2one)
rep · Replicase polyprotein 1abChEMBLNo stored yeast mapping
SAMHD1 · Deoxynucleoside triphosphate triphosphohydrolase SAMHD1ChEMBLNo stored yeast mapping
SMN1 · Survival motor neuron proteinChEMBLNo stored yeast mapping
TDP1 · Tyrosyl-DNA phosphodiesterase 1ChEMBLTDP1 YBR223C (ortholog_one2one)

Structural activity predictions and SONAR

Stored structural activity predictions are available in the interactive profile, with assay-specific cutoffs and applicability-domain assessments.

SONAR ranks candidate targets through genetic and physical interaction evidence. Structural SONAR uses predicted strain responses; measured SONAR uses experimental responses. These are experimental hypotheses, not confirmed binding targets. Outside-domain predictions are treated as unknown.

Open the complete SEMUSTINE research profile →

Sources and provenance

Screening measurements: ChemGrid chemical-genetic datasets. Wildenhain et al., Cell Systems (2015). Target annotations: sources named in the evidence table. Structure and library metadata: stored ChemGrid catalogue records.

Card snapshot: 2026-11-02. Linked interactive views may contain newer data.