FAIRMol

Z46080221

Pose ID 634 Compound 420 Pose 634

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T01
Human DHFR Human
Ligand Z46080221
PDB5SD8

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 medium Native strong SASA done
Strain ΔE
25.3 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.67, Jaccard 0.61, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
79%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
Yes
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 (-0.851 kcal/mol/HA) ✓ Good fit quality (FQ -8.12) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ High strain energy (25.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-24.678
kcal/mol
LE
-0.851
kcal/mol/HA
Fit Quality
-8.12
FQ (Leeson)
HAC
29
heavy atoms
MW
400
Da
LogP
5.69
cLogP
Final rank
2.4397
rank score
Inter norm
-0.882
normalised
Contacts
16
H-bonds 2
Strain ΔE
25.3 kcal/mol
SASA buried
90%
Lipo contact
79% BSA apolar/total
SASA unbound
610 Ų
Apolar buried
432 Ų

Interaction summary

HBA 2 HY 9 PI 2 CLASH 4

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 2.

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: strict.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap14Native recall0.67
Jaccard0.61RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

Protein summary

200 residues
Protein targetT01Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

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:NAP201

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
634 1.229663286025444 -0.860003 -22.5633 3 14 0 0.00 0.00 - no Open
646 1.3831576077061933 -0.789348 -23.0122 4 10 0 0.00 0.00 - no Open
641 1.4637618313678542 -0.876384 -27.3004 1 16 0 0.00 0.00 - no Open
636 1.4692895056320567 -0.927177 -26.8305 2 18 17 0.81 0.20 - no Open
658 2.21851663504723 -0.711934 -18.8607 2 13 0 0.00 0.00 - no Open
634 2.4397234516145594 -0.882085 -24.6779 2 16 14 0.67 0.20 - no Current
655 2.7182374703549375 -0.820596 -25.123 2 14 0 0.00 0.00 - no Open

Molecular metrics

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

Scoring & efficiency

Docking score -24.678kcal/mol
Ligand efficiency (LE) -0.8510kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.123
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 399.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.69
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.35kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 57.14kcal/mol
Minimised FF energy 31.79kcal/mol

SASA & burial

✓ computed
SASA (unbound) 610.0Ų
Total solvent-accessible surface area of free ligand
BSA total 546.2Ų
Buried surface area upon binding
BSA apolar 432.0Ų
Hydrophobic contacts buried
BSA polar 114.2Ų
Polar contacts buried
Fraction buried 89.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1549.5Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 622.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)