Overview
Basic information about this protein and its source genome.
- Accession
- KP13_18595
- Gene
- metG ANJ86596.1
- Status
- annotated
- Amino acids
- 677
- Structure source
- AlphaFold + ColabFold
Target profile
Computed evidence for target prioritization.
- Human off-target
- hit
- Human identity (%)
- 42.593
- Human E-value
- 7.73e-06
- Gut microbiome off-target
- hit
- Essential (DEG)
- Y
- DEG identity (%)
- 95.421
- DEG E-value
- 0.0
- Localization
- Cytoplasmic
- ColabFold pLDDT
- 94.18
Selected Druggability evidence
AlphaFold / UniProt modelSelected Druggability is the FPocket score chosen for ranking using the curated structure priority. The 3D viewer may show a different loaded structure, so its visible pockets can differ.
Sequence
Primary amino-acid sequence viewer.
Functional Annotations
Enzyme classification and Gene Ontology terms linked to this protein.
Enzyme Commission (EC)
1Gene Ontology (GO)
9- GO:0006431 The process of coupling methionine to methionyl-tRNA, catalyzed by methionyl-tRNA synthetase. The methionyl-tRNA synthetase is a class-I synthetase. The activated amino acid is transferred to the 2'-OH group of a methionine-accetping tRNA. The 2'-O-aminoacyl-tRNA will ultimately migrate to the 3' position via transesterification.
- GO:0004812 Catalysis of the formation of aminoacyl-tRNA from ATP, amino acid, and tRNA with the release of diphosphate and AMP.
- GO:0000049 Binding to a transfer RNA.
- GO:0004825 Catalysis of the reaction: ATP + L-methionine + tRNA(Met) = AMP + diphosphate + L-methionyl-tRNA(Met).
- GO:0006418 The synthesis of aminoacyl tRNA by the formation of an ester bond between the 3'-hydroxyl group of the most 3' adenosine of the tRNA and the alpha carboxylic acid group of an amino acid, to be used in ribosome-mediated polypeptide synthesis.
- GO:0005524 Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
- GO:0000166 Binding to a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
- GO:0005829 The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
- GO:0046872 Binding to a metal ion.
Sequence Features
Domain/signature hits from InterPro and related databases.
Show feature table
| Start | End | DB | Term | Name |
|---|---|---|---|---|
| 3 | 673 | PANTHER | PTHR45765 | METHIONINE--TRNA LIGASE |
| 3 | 673 | InterPro | IPR023458 | Methionine-tRNA ligase, type 1 |
| 375 | 507 | CDD | cd07957 | Anticodon_Ia_Met |
| 375 | 507 | InterPro | IPR041872 | Methionyl-tRNA synthetase, anticodon-binding domain |
| 7 | 372 | CDD | cd00814 | MetRS_core |
| 7 | 372 | InterPro | IPR033911 | Methioninyl-tRNA synthetase core domain |
| 6 | 546 | Hamap | MF_00098 | Methionine--tRNA ligase [metG]. |
| 6 | 546 | InterPro | IPR023458 | Methionine-tRNA ligase, type 1 |
| 8 | 385 | Gene3D | G3DSA:3.40.50.620 | HUPs |
| 8 | 385 | InterPro | IPR014729 | Rossmann-like alpha/beta/alpha sandwich fold |
| 142 | 176 | FunFam | G3DSA:2.20.28.20:FF:000001 | Methionine--tRNA ligase |
| 391 | 548 | SUPERFAMILY | SSF47323 | Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases |
| 391 | 548 | InterPro | IPR009080 | Aminoacyl-tRNA synthetase, class Ia, anticodon-binding |
| 568 | 677 | Gene3D | G3DSA:2.40.50.140 | - |
| 568 | 677 | InterPro | IPR012340 | Nucleic acid-binding, OB-fold |
| 292 | 307 | PRINTS | PR01041 | Methionyl-tRNA synthetase signature |
| 292 | 307 | InterPro | IPR033911 | Methioninyl-tRNA synthetase core domain |
| 42 | 56 | PRINTS | PR01041 | Methionyl-tRNA synthetase signature |
| 42 | 56 | InterPro | IPR033911 | Methioninyl-tRNA synthetase core domain |
| 90 | 101 | PRINTS | PR01041 | Methionyl-tRNA synthetase signature |
| 90 | 101 | InterPro | IPR033911 | Methioninyl-tRNA synthetase core domain |
| 10 | 23 | PRINTS | PR01041 | Methionyl-tRNA synthetase signature |
| 10 | 23 | InterPro | IPR033911 | Methioninyl-tRNA synthetase core domain |
| 251 | 262 | PRINTS | PR01041 | Methionyl-tRNA synthetase signature |
| 251 | 262 | InterPro | IPR033911 | Methioninyl-tRNA synthetase core domain |
| 385 | 396 | PRINTS | PR01041 | Methionyl-tRNA synthetase signature |
| 385 | 396 | InterPro | IPR033911 | Methioninyl-tRNA synthetase core domain |
| 8 | 536 | NCBIfam | TIGR00398 | methionine--tRNA ligase |
| 8 | 536 | InterPro | IPR014758 | Methionyl-tRNA synthetase |
| 15 | 26 | ProSitePatterns | PS00178 | Aminoacyl-transfer RNA synthetases class-I signature. |
| 15 | 26 | InterPro | IPR001412 | Aminoacyl-tRNA synthetase, class I, conserved site |
| 390 | 527 | Gene3D | G3DSA:1.10.730.10 | - |
| 581 | 674 | Pfam | PF01588 | Putative tRNA binding domain |
| 581 | 674 | InterPro | IPR002547 | tRNA-binding domain |
| 543 | 677 | NCBIfam | TIGR00399 | methionine--tRNA ligase subunit beta |
| 543 | 677 | InterPro | IPR004495 | Methionyl-tRNA synthetase, beta subunit, C-terminal |
| 390 | 527 | FunFam | G3DSA:1.10.730.10:FF:000005 | Methionine--tRNA ligase |
| 142 | 176 | Gene3D | G3DSA:2.20.28.20 | - |
| 142 | 176 | InterPro | IPR029038 | Methionyl-tRNA synthetase, Zn-domain |
| 6 | 388 | SUPERFAMILY | SSF52374 | Nucleotidylyl transferase |
| 8 | 397 | Pfam | PF09334 | tRNA synthetases class I (M) |
| 8 | 397 | InterPro | IPR015413 | Methionyl/Leucyl tRNA synthetase |
| 575 | 677 | ProSiteProfiles | PS50886 | tRNA-binding domain profile. |
| 575 | 677 | InterPro | IPR002547 | tRNA-binding domain |
| 415 | 521 | Pfam | PF19303 | Anticodon binding domain of methionyl tRNA ligase |
| 415 | 521 | InterPro | IPR041872 | Methionyl-tRNA synthetase, anticodon-binding domain |
| 567 | 677 | FunFam | G3DSA:2.40.50.140:FF:000042 | Methionine--tRNA ligase |
| 571 | 677 | CDD | cd02800 | tRNA_bind_EcMetRS_like |
| 571 | 677 | InterPro | IPR004495 | Methionyl-tRNA synthetase, beta subunit, C-terminal |
| 570 | 676 | SUPERFAMILY | SSF50249 | Nucleic acid-binding proteins |
| 570 | 676 | InterPro | IPR012340 | Nucleic acid-binding, OB-fold |
| 142 | 176 | SUPERFAMILY | SSF57770 | Methionyl-tRNA synthetase (MetRS), Zn-domain |
3D Structure
Selected loaded structure. Experimental PDB entries may cover only a portion of the sequence; predicted models typically cover the full protein.
Loading 3D structure...
Structural evidence
0 + 2Experimental PDB entries and predicted models. Click Switch to display a different structure in the viewer.
| Entry | Method | Resolution | Chain | Coverage | Links | Status |
|---|---|---|---|---|---|---|
|
AlphaFold
AF_A0A0H3GVZ1
|
AlphaFold | — | — | full sequence | — | Viewing |
|
ColabFold
KP13_18595
|
ColabFold | — | — | full sequence | — | Loaded |
Pocket details FPocket · P2Rank — toggle visibility and zoom from here, or open full viewer
Pockets (FPOCKET)
Showing top-ranked FPocket candidates by druggability. Druggability is color-coded: high (0.7 or higher), medium (0.4 to 0.69), low (below 0.4).
| FPOCKET | Sticks | Spheres | Surfaces | Druggability | Labels | Zoom | Positions |
|---|---|---|---|---|---|---|---|
| 8 | 0.836 | ||||||
| 11 | 0.536 | ||||||
| 35 | 0.323 |
Pockets (P2RANK)
Showing top-ranked P2Rank candidates by probability. Probability is color-coded per P2Rank calibration: high (≥ 0.5), medium (0.2 – 0.49), low (< 0.2).
| P2RANK | Sticks | Spheres | Surfaces | Score | Probability | Labels | Zoom | Positions |
|---|---|---|---|---|---|---|---|---|
| 1 | 7.47 | 0.392 | ||||||
| 2 | 4.79 | 0.212 | ||||||
| 3 | 3.4 | 0.122 | ||||||
| 4 | 3.24 | 0.112 | ||||||
| 5 | 3.15 | 0.107 |
Pockets (FPOCKET)
Showing top-ranked FPocket candidates by druggability. Druggability is color-coded: high (0.7 or higher), medium (0.4 to 0.69), low (below 0.4).
| FPOCKET | Sticks | Spheres | Surfaces | Druggability | Labels | Zoom | Positions |
|---|---|---|---|---|---|---|---|
| 13 | 0.311 |
Pockets (P2RANK)
Showing top-ranked P2Rank candidates by probability. Probability is color-coded per P2Rank calibration: high (≥ 0.5), medium (0.2 – 0.49), low (< 0.2).
| P2RANK | Sticks | Spheres | Surfaces | Score | Probability | Labels | Zoom | Positions |
|---|---|---|---|---|---|---|---|---|
| 1 | 19.16 | 0.835 | ||||||
| 2 | 1.55 | 0.023 | ||||||
| 3 | 1.44 | 0.019 | ||||||
| 4 | 1.36 | 0.016 |
Ligand evidence
Ligands grouped by evidence source. PDB ligands keep the source crystal visible, and loaded crystals can be opened directly in the structure viewer.
Highest-confidence structural evidence: ligands co-crystallized with this exact protein. If the source PDB is loaded in TPW, use Open crystal to inspect it in the structure viewer.
No PDB structure with a co-crystallized ligand found for this exact protein.
Structural evidence inferred from similar proteins. The source crystal indicates where the ligand was observed; the UniProt column identifies the homologous protein carrying that ligand.
| Ligand | Source crystal | UniProt (homolog) | MW · LogP · TPSA | Lipinski | PAINS | SMILES |
|---|---|---|---|---|---|---|
| 2FM | P00959 | 185.2 Da LogP 0.74 TPSA 63.3 | ✓ Ro5 | ✓ Clean |
C(CSC(F)F)[C@@H](C(=O)O)N
|
|
| ADN | P00959 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
|
|
| B3M | P00959 | 163.2 Da LogP 0.54 TPSA 63.3 | ✓ Ro5 | ✓ Clean |
CSCC[C@@H](CC(=O)O)N
|
|
| MF3 | P00959 | 203.2 Da LogP 1.04 TPSA 63.3 | ✓ Ro5 | ✓ Clean |
C(CSC(F)(F)F)[C@@H](C(=O)O)N
|
|
| MOD | P00959 | 466.5 Da LogP -1.92 TPSA 197.5 | 2 viol. | ✓ Clean |
CSCC[C@@H](CO[P@](=O)(O)OC[C@@H]1[C@H]([C@H]([C…
|
|
| MPH | P00959 | 185.2 Da LogP 0.20 TPSA 83.6 | ✓ Ro5 | ✓ Clean |
CSCC[C@H](N)P(=O)(O)O
|
|
| MPJ | P00959 | 169.2 Da LogP 0.49 TPSA 63.3 | ✓ Ro5 | ✓ Clean |
CSCC[C@H](N)[P@H](=O)O
|
|
| MSP | P00959 | 479.5 Da LogP -3.68 TPSA 214.2 | 2 viol. | ✓ Clean |
CSCC[C@@H](C(=O)NS(=O)(=O)OC[C@@H]1[C@H]([C@H](…
|
|
| NOT | P00959 | 172.2 Da LogP 0.88 TPSA 112.1 | ✓ Ro5 | Alert |
C(CCN=[N+]=[N-])C[C@@H](C(=O)O)N
|
Experimental bioactivity from ChEMBL measured directly on this protein. Score = pchembl (−log Ki/IC₅₀; higher = more potent).
No ChEMBL bioactivity data found for this exact protein.
Bioactivity inferred from similar proteins in ChEMBL. Score = pchembl (−log Ki/IC₅₀; higher = more potent).
| Ligand | UniProt (homolog) | pchembl | MW · LogP · TPSA | Lipinski | PAINS | SMILES |
|---|---|---|---|---|---|---|
| U7S | Q8NY00 | 10.40 | 450.4 Da LogP 5.19 TPSA 56.9 | 1 viol. | ✓ Clean |
Cc1c(sc(c1Br)C(=C)F)CNCCCNC2=CC(=O)c3ccccc3N2
|
| 0OU | P00959 | 8.52 | 376.3 Da LogP 4.43 TPSA 56.9 | ✓ Ro5 | ✓ Clean |
c1ccc2c(c1)C(=O)C=C(N2)NCCCNCc3cc(cc(c3)Cl)Cl
|
| CHEMBL160161 | P00959 | 8.51 | 460.4 Da LogP 4.70 TPSA 75.6 | ✓ Ro5 | ✓ Clean |
CCOc1c(Br)cc(OC)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL158758 | P00959 | 8.49 | 491.4 Da LogP 4.84 TPSA 66.4 | ✓ Ro5 | ✓ Clean |
CCOc1c(C)cc(I)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL159197 | P00959 | 8.49 | 512.2 Da LogP 4.90 TPSA 57.2 | 1 viol. | ✓ Clean |
Oc1cc(NCCCNCc2cc(Br)cc(I)c2)nc2ccccc12
|
| CHEMBL158555 | P00959 | 8.48 | 507.4 Da LogP 4.54 TPSA 75.6 | 1 viol. | ✓ Clean |
CCOc1c(I)cc(OC)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL362023 | Q8NY00 | 8.48 | 467.4 Da LogP 4.16 TPSA 88.5 | ✓ Ro5 | ✓ Clean |
CCOc1c(Br)cc(OC)cc1CNCCCNc1nc(O)c2sccc2n1
|
| CHEMBL162534 | P00959 | 8.42 | 416.4 Da LogP 5.72 TPSA 57.2 | 1 viol. | ✓ Clean |
Oc1cc(NCCCNC2CCCc3c(Cl)cc(Cl)cc32)nc2ccccc12
|
| CHEMBL424799 | Q8NY00 | 8.42 | 437.8 Da LogP 4.97 TPSA 62.0 | ✓ Ro5 | ✓ Clean |
CCOc1c(Br)cc(Cl)cc1CNCCCNc1nc2ccccc2[nH]1
|
| CHEMBL159092 | P00959 | 8.41 | 390.5 Da LogP 4.11 TPSA 90.2 | ✓ Ro5 | ✓ Clean |
CCOc1c(C)cc(C#N)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL359928 | Q8NY00 | 8.41 | 472.2 Da LogP 4.10 TPSA 69.8 | ✓ Ro5 | ✓ Clean |
O=c1nc(NCCCNCc2cc(Br)cc(Br)c2)[nH]c2ccsc12
|
| CHEMBL159035 | P00959 | 8.40 | 455.4 Da LogP 4.57 TPSA 90.2 | ✓ Ro5 | ✓ Clean |
CCOc1c(C#N)cc(Br)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL157589 | P00959 | 8.39 | 507.4 Da LogP 4.03 TPSA 86.6 | 1 viol. | ✓ Clean |
CCOc1c(CO)cc(I)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL158678 | P00959 | 8.37 | 415.9 Da LogP 4.59 TPSA 75.6 | ✓ Ro5 | ✓ Clean |
CCOc1c(Cl)cc(OC)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL162356 | P00959 | 8.37 | 455.4 Da LogP 5.21 TPSA 69.2 | 1 viol. | ✓ Clean |
CCc1cc(Br)cc2c1NCCC2NCCCNc1cc(O)c2ccccc2n1
|
| 0OT | P00959 | 8.36 | 509.2 Da LogP 5.04 TPSA 66.2 | 2 viol. | ✓ Clean |
CCOc1c(cc(cc1Br)Br)CNCCCNC2=CC(=O)c3ccccc3N2
|
| CHEMBL158501 | P00959 | 8.34 | 455.4 Da LogP 4.57 TPSA 90.2 | ✓ Ro5 | ✓ Clean |
CCOc1c(Br)cc(C#N)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL158932 | P00959 | 8.33 | 476.4 Da LogP 5.42 TPSA 66.4 | 1 viol. | ✓ Clean |
CCOc1c(Br)cc(SC)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL160300 | P00959 | 8.31 | 444.4 Da LogP 5.00 TPSA 66.4 | 1 viol. | ✓ Clean |
CCOc1c(Br)cc(C)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL182767 | Q8NY00 | 8.31 | 516.3 Da LogP 4.91 TPSA 79.3 | 1 viol. | ✓ Clean |
CCOc1c(Br)cc(Br)cc1CNCCCNc1nc(O)c2sccc2n1
|
| CHEMBL182960 | Q8NY00 | 8.30 | 439.2 Da LogP 4.03 TPSA 65.6 | ✓ Ro5 | ✓ Clean |
Brc1cc(Br)cc(CNCCCNc2nc3ccc[nH]c-3n2)c1
|
| CHEMBL159217 | P00959 | 8.29 | 402.3 Da LogP 5.33 TPSA 57.2 | 1 viol. | ✓ Clean |
Oc1cc(NCCCNC2CCc3c(Cl)cc(Cl)cc32)nc2ccccc12
|
| CHEMBL161152 | P00959 | 8.29 | 411.6 Da LogP 4.96 TPSA 66.4 | ✓ Ro5 | ✓ Clean |
CCOc1c(C)cc(SC)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL422699 | P00959 | 8.24 | 444.4 Da LogP 5.00 TPSA 66.4 | 1 viol. | ✓ Clean |
CCOc1c(C)cc(Br)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL157996 | P00959 | 8.23 | 556.2 Da LogP 5.30 TPSA 66.4 | 2 viol. | ✓ Clean |
CCOc1c(I)cc(Br)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL159068 | P00959 | 8.22 | 404.3 Da LogP 4.77 TPSA 66.4 | ✓ Ro5 | ✓ Clean |
Oc1cc(NCCCNC2COc3c(Cl)cc(Cl)cc32)nc2ccccc12
|
| CHEMBL2096779 | Q8NY00 | 8.20 | 480.2 Da LogP 4.38 TPSA 77.7 | ✓ Ro5 | ✓ Clean |
Brc1cc(Br)c2c(c1)[C@H](NCCCNc1nc3ccc[nH]c-3n1)C…
|
| CHEMBL160894 | P00959 | 8.19 | 559.2 Da LogP 4.74 TPSA 57.2 | 1 viol. | ✓ Clean |
Oc1cc(NCCCNCc2cc(I)cc(I)c2)nc2ccccc12
|
| CHEMBL158513 | P00959 | 8.17 | 399.9 Da LogP 4.89 TPSA 66.4 | ✓ Ro5 | ✓ Clean |
CCOc1c(C)cc(Cl)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL158958 | P00959 | 8.17 | 433.5 Da LogP 4.85 TPSA 66.2 | ✓ Ro5 | ✓ Clean |
CCOc1c(C)cc(C(F)(F)F)cc1CNCCCNc1cc(=O)c2ccccc2[…
|
| CHEMBL368020 | Q8NY00 | 8.15 | 461.4 Da LogP 4.10 TPSA 88.5 | ✓ Ro5 | ✓ Clean |
CCOc1c(Br)cc(OC)cc1CNCCCNc1nc(O)c2ccccc2n1
|
| CHEMBL160892 | P00959 | 8.14 | 432.4 Da LogP 5.40 TPSA 66.4 | 1 viol. | ✓ Clean |
C=CCOc1c(Cl)cc(Cl)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL161255 | P00959 | 8.14 | 491.4 Da LogP 4.84 TPSA 66.4 | ✓ Ro5 | ✓ Clean |
CCOc1c(I)cc(C)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL157867 | P00959 | 8.11 | 507.2 Da LogP 4.97 TPSA 66.2 | 1 viol. | ✓ Clean |
O=c1cc(NCCCNC2CCOc3c(Br)cc(Br)cc32)[nH]c2ccccc12
|
| CHEMBL161213 | P00959 | 8.10 | 441.4 Da LogP 4.96 TPSA 69.2 | ✓ Ro5 | ✓ Clean |
Cc1cc(Br)c2c(c1)C(NCCCNc1cc(O)c3ccccc3n1)CCN2
|
| CHEMBL304237 | P00959 | 8.10 | 506.2 Da LogP 5.41 TPSA 69.2 | 2 viol. | ✓ Clean |
Oc1cc(NCCCNC2CCNc3c(Br)cc(Br)cc32)nc2ccccc12
|
| CHEMBL425169 | Q8NY00 | 8.09 | 466.2 Da LogP 4.45 TPSA 70.1 | ✓ Ro5 | ✓ Clean |
Oc1nc(NCCCNCc2cc(Br)cc(Br)c2)nc2ccccc12
|
| CHEMBL426613 | Q8NY00 | 8.09 | 462.8 Da LogP 4.70 TPSA 82.1 | ✓ Ro5 | ✓ Clean |
Oc1nc(NCCCNC2CCNc3c(Cl)cc(Br)cc32)nc2ccccc12
|
| CHEMBL160597 | P00959 | 8.06 | 556.2 Da LogP 5.30 TPSA 66.4 | 2 viol. | ✓ Clean |
CCOc1c(Br)cc(I)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL160784 | P00959 | 8.05 | 376.3 Da LogP 4.84 TPSA 57.2 | ✓ Ro5 | ✓ Clean |
Oc1cc(NCCCNCc2cc(Cl)ccc2Cl)nc2ccccc12
|
| CHEMBL160191 | P00959 | 8.04 | 480.2 Da LogP 4.64 TPSA 83.2 | ✓ Ro5 | ✓ Clean |
Nc1c(Br)cc(Br)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL158904 | P00959 | 8.03 | 509.8 Da LogP 4.70 TPSA 66.2 | 1 viol. | ✓ Clean |
O=c1cc(NCCCNC2CCOc3c(I)cc(Cl)cc32)[nH]c2ccccc12
|
| CHEMBL161212 | P00959 | 8.03 | 441.4 Da LogP 4.96 TPSA 69.2 | ✓ Ro5 | ✓ Clean |
Cc1cc(Br)cc2c1NCCC2NCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL436610 | P00959 | 8.03 | 521.4 Da LogP 4.68 TPSA 75.6 | 1 viol. | ✓ Clean |
CCOc1c(CNCCCNc2cc(O)c3ccccc3n2)cc(I)cc1COC
|
| CHEMBL182414 | Q8NY00 | 8.01 | 510.2 Da LogP 4.85 TPSA 79.3 | 1 viol. | ✓ Clean |
CCOc1c(Br)cc(Br)cc1CNCCCNc1nc(O)c2ccccc2n1
|
| CHEMBL160452 | P00959 | 7.96 | 563.2 Da LogP 6.00 TPSA 66.4 | 2 viol. | ✓ Clean |
Oc1cc(NCCCNCc2cc(Br)cc(Br)c2OCC(F)(F)F)nc2ccccc…
|
| CHEMBL182225 | Q8NY00 | 7.96 | 480.2 Da LogP 4.43 TPSA 77.7 | ✓ Ro5 | ✓ Clean |
Brc1cc(Br)c2c(c1)C(NCCCNc1nc3ncccc3[nH]1)CCN2
|
| CHEMBL350260 | P00959 | 7.96 | 494.2 Da LogP 5.10 TPSA 69.2 | 1 viol. | ✓ Clean |
CNc1c(Br)cc(Br)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL160444 | P00959 | 7.92 | 507.4 Da LogP 4.54 TPSA 75.6 | 1 viol. | ✓ Clean |
CCOc1c(CNCCCNc2cc(O)c3ccccc3n2)cc(I)cc1OC
|
| CHEMBL423780 | P00959 | 7.92 | 509.8 Da LogP 5.11 TPSA 66.4 | 2 viol. | ✓ Clean |
Oc1cc(NCCCNC2CCOc3c(Cl)cc(I)cc32)nc2ccccc12
|
| CHEMBL58615 | P00959 | 7.92 | 502.4 Da LogP 4.64 TPSA 68.9 | 1 viol. | ✓ Clean |
CCc1cc(I)c2c(c1)C(NCCCNc1cc(=O)c3ccccc3[nH]1)CC…
|
| CHEMBL160445 | P00959 | 7.89 | 460.4 Da LogP 4.70 TPSA 75.6 | ✓ Ro5 | ✓ Clean |
CCOc1c(CNCCCNc2cc(O)c3ccccc3n2)cc(Br)cc1OC
|
| CHEMBL361649 | Q8NY00 | 7.89 | 479.2 Da LogP 5.04 TPSA 64.8 | 1 viol. | ✓ Clean |
Brc1cc(Br)c2c(c1)C(NCCCNc1nc3ccccc3[nH]1)CCN2
|
| CHEMBL361788 | Q8NY00 | 7.89 | 513.3 Da LogP 4.87 TPSA 82.1 | 1 viol. | ✓ Clean |
Oc1nc(NCCCNC2CCNc3c(Br)cc(Br)cc32)nc2ccsc12
|
| CHEMBL158440 | P00959 | 7.85 | 420.3 Da LogP 5.24 TPSA 66.4 | 1 viol. | ✓ Clean |
CCOc1c(Cl)cc(Cl)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL345813 | P00959 | 7.85 | 507.4 Da LogP 4.03 TPSA 86.6 | 1 viol. | ✓ Clean |
CCOc1c(I)cc(CO)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL5287030 | P00959 | 7.85 | 585.4 Da LogP -1.62 TPSA 217.8 | 2 viol. | ✓ Clean |
CCC(C)C(N)C(=O)NS(=O)(=O)OC[C@H]1O[C@@H](n2cnc3…
|
| CHEMBL161400 | P00959 | 7.82 | 376.3 Da LogP 4.84 TPSA 57.2 | ✓ Ro5 | ✓ Clean |
Oc1cc(NCCCNCc2ccc(Cl)cc2Cl)nc2ccccc12
|
| CHEMBL349379 | P00959 | 7.82 | 376.3 Da LogP 4.84 TPSA 57.2 | ✓ Ro5 | ✓ Clean |
Oc1cc(NCCCNCc2cccc(Cl)c2Cl)nc2ccccc12
|
| CHEMBL183110 | Q8NY00 | 7.80 | 475.4 Da LogP 4.68 TPSA 64.8 | ✓ Ro5 | ✓ Clean |
CCc1cc(I)c2c(c1)C(NCCCNc1nc3ccccc3[nH]1)CCN2
|
| CHEMBL60402 | P00959 | 7.80 | 376.3 Da LogP 4.43 TPSA 56.9 | ✓ Ro5 | ✓ Clean |
O=c1cc(NCCCNCc2ccc(Cl)c(Cl)c2)[nH]c2ccccc12
|
| CHEMBL180309 | Q8NY00 | 7.77 | 482.2 Da LogP 5.08 TPSA 62.0 | 1 viol. | ✓ Clean |
CCOc1c(Br)cc(Br)cc1CNCCCNc1nc2ccccc2[nH]1
|
| CHEMBL185486 | Q8NY00 | 7.77 | 433.4 Da LogP 4.32 TPSA 71.2 | ✓ Ro5 | ✓ Clean |
CCOc1c(Br)cc(OC)cc1CNCCCNc1nc2ccccc2[nH]1
|
| CHEMBL352166 | P00959 | 7.77 | 521.4 Da LogP 4.68 TPSA 75.6 | 1 viol. | ✓ Clean |
CCOc1c(I)cc(COC)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL425706 | Q8NY00 | 7.77 | 503.4 Da LogP 4.45 TPSA 82.1 | 1 viol. | ✓ Clean |
CCc1cc(I)c2c(c1)C(NCCCNc1nc(O)c3ccccc3n1)CCN2
|
| CHEMBL161865 | P00959 | 7.75 | 508.3 Da LogP 5.49 TPSA 69.2 | 2 viol. | ✓ Clean |
CCNc1c(Br)cc(Br)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL182821 | Q8NY00 | 7.75 | 476.4 Da LogP 4.03 TPSA 77.7 | ✓ Ro5 | ✓ Clean |
CCc1cc(I)c2c(c1)C(NCCCNc1nc3ccc[nH]c-3n1)CCN2
|
| CHEMBL346042 | P00959 | 7.68 | 476.4 Da LogP 5.42 TPSA 66.4 | 1 viol. | ✓ Clean |
CCOc1c(CNCCCNc2cc(O)c3ccccc3n2)cc(Br)cc1SC
|
| CHEMBL424342 | P00959 | 7.68 | 549.4 Da LogP 4.71 TPSA 92.7 | 1 viol. | ✓ Clean |
CCOC(=O)c1cc(I)cc(CNCCCNc2cc(O)c3ccccc3n2)c1OCC
|
| CHEMBL158642 | P00959 | 7.64 | 492.4 Da LogP 4.43 TPSA 89.5 | ✓ Ro5 | ✓ Clean |
CCOc1c(Br)cc([S+](C)[O-])cc1CNCCCNc1cc(O)c2cccc…
|
| CHEMBL347809 | P00959 | 7.64 | 417.3 Da LogP 5.20 TPSA 69.2 | 1 viol. | ✓ Clean |
Oc1cc(NCCCNC2CCNc3c(Cl)cc(Cl)cc32)nc2ccccc12
|
| CHEMBL158106 | P00959 | 7.54 | 434.4 Da LogP 5.63 TPSA 66.4 | 1 viol. | ✓ Clean |
CC(C)Oc1c(Cl)cc(Cl)cc1CNCCCNc1cc(O)c2ccccc2n1
|
| CHEMBL182263 | Q8NY00 | 7.54 | 438.2 Da LogP 4.68 TPSA 52.7 | ✓ Ro5 | ✓ Clean |
Brc1cc(Br)cc(CNCCCNc2nc3ccccc3[nH]2)c1
|
| CHEMBL185520 | Q8NY00 | 7.27 | 462.2 Da LogP 5.16 TPSA 63.6 | 1 viol. | ✓ Clean |
N#Cc1c(NCCCNCc2cc(Br)cc(Br)c2)[nH]c2ccccc12
|
| CHEMBL160160 | P00959 | 7.21 | 474.4 Da LogP 5.09 TPSA 75.6 | 1 viol. | ✓ Clean |
CCOc1cc(Br)c(OCC)c(CNCCCNc2cc(O)c3ccccc3n2)c1
|
| CHEMBL348350 | P00959 | 7.14 | 508.4 Da LogP 4.10 TPSA 100.6 | 1 viol. | ✓ Clean |
CCOc1c(Br)cc(S(C)(=O)=O)cc1CNCCCNc1cc(O)c2ccccc…
|
| CHEMBL1163059 | P00959 | 7.08 | 477.5 Da LogP -2.51 TPSA 217.8 | 1 viol. | ✓ Clean |
CSCC[C@H](N)C(=O)NS(=O)(=O)OC[C@H]1O[C@@H](n2cn…
|
| CHEMBL181657 | Q8NY00 | 7.00 | 394.7 Da LogP 5.79 TPSA 37.0 | 1 viol. | ✓ Clean |
Clc1cc(Cl)c(Cl)c(CNCCCNc2ccc3ccccc3n2)c1
|
| CHEMBL346109 | P00959 | 6.92 | 533.5 Da LogP 5.42 TPSA 66.2 | 2 viol. | ✓ Clean |
CCOc1c(CNCCCNc2cc(=O)c3ccccc3[nH]2)cc(I)cc1C(C)…
|
| CHEMBL159207 | P00959 | 6.77 | 549.4 Da LogP 4.71 TPSA 92.7 | 1 viol. | ✓ Clean |
CCOC(=O)c1cc(I)c(OCC)c(CNCCCNc2cc(O)c3ccccc3n2)…
|
| CHEMBL158456 | P00959 | 6.52 | 307.4 Da LogP 3.53 TPSA 57.2 | ✓ Ro5 | ✓ Clean |
Oc1cc(NCCCNCc2ccccc2)nc2ccccc12
|
| CHEMBL182650 | Q8NY00 | 6.48 | 441.2 Da LogP 4.51 TPSA 53.2 | ✓ Ro5 | ✓ Clean |
O=C(NCCCNCc1cc(Br)cc(Br)c1)Nc1ccccc1
|
| CHEMBL1161712 | P00959 | 6.42 | 432.5 Da LogP -1.10 TPSA 190.2 | 1 viol. | ✓ Clean |
CSCC[C@H](N)C(=O)NS(=O)(=O)O[C@@H]1CC[C@H](n2cn…
|
| CHEMBL359723 | Q8NY00 | 6.00 | 411.7 Da LogP 5.35 TPSA 54.3 | 1 viol. | ✓ Clean |
O=c1cc(NCCCNCc2cc(Cl)cc(Cl)c2Cl)oc2ccccc12
|
| U81 | Q181D9 | — | 513.3 Da LogP 5.03 TPSA 66.2 | 2 viol. | ✓ Clean |
c1csc2c1NC(=CC2=O)NCCCN[C@@H]3CCOc4c3cc(cc4Br)Br
|
Proposed virtual-screening candidates from ZINC. Score = Tanimoto similarity to a known binder (0–1; higher = more similar).
| Ligand | Tanimoto | MW · LogP · TPSA | Lipinski | PAINS | SMILES |
|---|---|---|---|---|---|
| ZINC1698833 | 1.000 | 203.2 Da LogP 1.04 TPSA 63.3 | ✓ Ro5 | ✓ Clean |
N[C@@H](CCSC(F)(F)F)C(=O)O
|
| ZINC2041757 | 1.000 | 203.2 Da LogP 1.04 TPSA 63.3 | ✓ Ro5 | ✓ Clean |
N[C@H](CCSC(F)(F)F)C(=O)O
|
| ZINC2047403 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](O)[C@@H]1O
|
| ZINC2047673 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@H](O)[C@@H]1O
|
| ZINC2169830 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O
|
| ZINC3201876 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@H](CO)[C@@H](O)[C@@H]1O
|
| ZINC3201878 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](O)[C@@H]…
|
| ZINC3830178 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](O)[C@H]1O
|
| ZINC3830179 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](O)[C@H]1O
|
| ZINC3978047 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@H](O)[C@H]1O
|
| ZINC3978048 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@H](CO)[C@H](O)[C@H]1O
|
| ZINC3978049 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](O)[C@H]1O
|
| ZINC4048240 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@H](CO)[C@@H](O)[C@H]1O
|
| ZINC8580514 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](O)[C@@H]1O
|
| ZINC895113 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@H](O)[C@@H]1O
|
| ZINC896706 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@H](O)[C@H]1O
|
| ZINC970363 | 1.000 | 267.2 Da LogP -1.98 TPSA 139.5 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@@H]1O
|
| ZINC4188096 | 0.974 | 297.3 Da LogP -2.62 TPSA 159.8 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](O)[C@@H](…
|
| ZINC4188103 | 0.974 | 297.3 Da LogP -2.62 TPSA 159.8 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](O)[C@@H]…
|
| ZINC4188112 | 0.974 | 297.3 Da LogP -2.62 TPSA 159.8 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](O)[C@@H](…
|
| ZINC4188116 | 0.974 | 297.3 Da LogP -2.62 TPSA 159.8 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](O)[C@@H]…
|
| ZINC101227935 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](O)[C@@H]1N
|
| ZINC1868288 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@@H]1N
|
| ZINC39294072 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](O)[C@H]1N
|
| ZINC53204366 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1N
|
| ZINC57675642 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](O)[C@H]1N
|
| ZINC57675644 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](O)[C@H]1N
|
| ZINC57675648 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](O)[C@@H]1N
|
| ZINC57675649 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](O)[C@@H]…
|
| ZINC71250611 | 0.837 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@H](O)[C@@H]1N
|
| ZINC4809089 | 0.833 | 283.3 Da LogP -1.04 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](S)[C@H]1O
|
| ZINC4809090 | 0.833 | 283.3 Da LogP -1.04 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](S)[C@H]1O
|
| ZINC4809091 | 0.833 | 283.3 Da LogP -1.04 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@@H](S)[C@@H]1O
|
| ZINC4809092 | 0.833 | 283.3 Da LogP -1.04 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](S)[C@@H]…
|
| ZINC5139067 | 0.829 | 283.3 Da LogP -1.04 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CS)[C@@H](O)[C@H]1O
|
| ZINC105358492 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](O)[C@@H]1F
|
| ZINC22805 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@@H]1F
|
| ZINC2383767290 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@H](O)[C@@H]1F
|
| ZINC3827883 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@H](O)[C@H]1F
|
| ZINC5163038 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1F
|
| ZINC5372462 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@@H](CO)[C@@H](O)[C@@H]…
|
| ZINC66155300 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](O)[C@H]1F
|
| ZINC83323919 | 0.818 | 269.2 Da LogP -1.00 TPSA 119.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@H]1O[C@@H](CO)[C@H](O)[C@@H]1F
|
| ZINC13470207 | 0.814 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](N)[C@H]1O
|
| ZINC14418140 | 0.814 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](N)[C@H]1O
|
| ZINC79682926 | 0.814 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@H](N)[C@@H]1O
|
| ZINC3814316 | 0.810 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
NC[C@H]1O[C@@H](n2cnc3c(N)ncnc32)[C@H](O)[C@@H]…
|
| ZINC4773850 | 0.810 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
NC[C@@H]1O[C@H](n2cnc3c(N)ncnc32)[C@@H](O)[C@@H…
|
| ZINC77981211 | 0.810 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
NC[C@H]1O[C@@H](n2cnc3c(N)ncnc32)[C@@H](O)[C@H]…
|
| ZINC82228511 | 0.810 | 266.3 Da LogP -2.01 TPSA 145.3 | ✓ Ro5 | ✓ Clean |
NC[C@H]1O[C@@H](n2cnc3c(N)ncnc32)[C@H](O)[C@H]1O
|
PDB and ChEMBL records on this protein are shown in full. ChEMBL records from similar proteins are capped at the top 100 per protein (by pchembl) and ZINC at the top 50 (Tanimoto ≥ 0.5). ADME columns are descriptor-based screening flags, not experimental toxicity results.