FAIRMol

Z16042263

Pose ID 6067 Compound 3320 Pose 649

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T09
L. major DHFR-TS L. major
Ligand Z16042263

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native strong SASA done
Strain ΔE
28.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.62, Jaccard 0.50, H-bond role recall 0.00
Burial
88%
Hydrophobic fit
87%
Reason: no major geometry red flags detected
1 protein-contact clashes 36% of hydrophobic surface appears solvent-exposed (9/25 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Medium Ames Clear DILI Risk
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.698 kcal/mol/HA) ✓ Good fit quality (FQ -6.80) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ High strain energy (28.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-21.645
kcal/mol
LE
-0.698
kcal/mol/HA
Fit Quality
-6.80
FQ (Leeson)
HAC
31
heavy atoms
MW
429
Da
LogP
4.60
cLogP
Final rank
3.0041
rank score
Inter norm
-0.837
normalised
Contacts
18
H-bonds 2
Strain ΔE
28.7 kcal/mol
SASA buried
88%
Lipo contact
87% BSA apolar/total
SASA unbound
710 Ų
Apolar buried
543 Ų

Interaction summary

HBD 1 HBA 1 HY 8 PI 3 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: permissive. Residues: 1.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
Name3CL9Contacts21
PoseOpen native poseHB0
IFP residues
NDP301 ALA32 ARG97 ASP52 GLY157 ILE45 LEU94 LYS57 MET53 PHE55 PHE56 PHE91 PRO88 SER86 THR180 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap13Native recall0.62
Jaccard0.50RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

511 residues
Protein targetT09Atoms8170
Residues511Chains2
Residue summaryLEU:1064; ARG:840; LYS:572; GLU:570; VAL:528; PHE:460; ILE:456; ALA:440; PRO:420; THR:406; TYR:357; ASP:312; GLN:289; ASN:238; SER:231; GLY:224

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
649 3.004115133606733 -0.837059 -21.6449 2 18 13 0.62 0.00 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -21.645kcal/mol
Ligand efficiency (LE) -0.6982kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.802
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 428.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.60
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.69kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 57.38kcal/mol
Minimised FF energy 28.69kcal/mol

SASA & burial

✓ computed
SASA (unbound) 709.6Ų
Total solvent-accessible surface area of free ligand
BSA total 625.0Ų
Buried surface area upon binding
BSA apolar 543.1Ų
Hydrophobic contacts buried
BSA polar 81.9Ų
Polar contacts buried
Fraction buried 88.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3375.1Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1670.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)