FAIRMol

OHD_TB2021_71

Pose ID 740 Compound 810 Pose 62

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand OHD_TB2021_71
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
36.7 kcal/mol
Protein clashes
0
Internal clashes
18
Native overlap
contact recall 0.71, Jaccard 0.62, H-bond role recall 0.00
Burial
86%
Hydrophobic fit
85%
Reason: 18 internal clashes
18 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.520 kcal/mol/HA) ✓ Good fit quality (FQ -5.53) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Very high strain energy (36.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-22.358
kcal/mol
LE
-0.520
kcal/mol/HA
Fit Quality
-5.53
FQ (Leeson)
HAC
43
heavy atoms
MW
600
Da
LogP
5.27
cLogP
Strain ΔE
36.7 kcal/mol
SASA buried
86%
Lipo contact
85% BSA apolar/total
SASA unbound
840 Ų
Apolar buried
617 Ų

Interaction summary

HB 1 HY 24 PI 2 CLASH 0
Final rank1.587Score-22.358
Inter norm-0.598Intra norm0.078
Top1000noExcludedno
Contacts18H-bonds1
Artifact reasongeometry warning; 18 clashes; 1 protein contact clash; high strain Δ 36.6
Residues
ALA10 ARG29 ASP22 GLN36 GLU31 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO27 THR57 TYR122 VAL116 VAL9

Protein summary

200 residues
Protein targetT02Atoms3128
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

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 overlap15Native recall0.71
Jaccard0.62RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

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

HY · Hydrophobic contacts

CLASH · Clashes

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
62 1.5867119734264483 -0.597913 -22.3579 1 18 15 0.71 0.00 - no Current
63 1.9444565982844864 -0.440864 -16.2628 3 15 0 0.00 0.00 - no Open
54 2.0122605666535036 -0.586495 -22.6203 4 14 0 0.00 0.00 - no Open
66 4.100793611636282 -0.636299 -14.1672 3 21 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 -22.358kcal/mol
Ligand efficiency (LE) -0.5200kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.526
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 43HA

Physicochemical properties

Molecular weight 599.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.27
Lipinski: ≤ 5
Rotatable bonds 13

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 93.00kcal/mol
Minimised FF energy 56.31kcal/mol

SASA & burial

✓ computed
SASA (unbound) 840.5Ų
Total solvent-accessible surface area of free ligand
BSA total 726.8Ų
Buried surface area upon binding
BSA apolar 616.9Ų
Hydrophobic contacts buried
BSA polar 109.9Ų
Polar contacts buried
Fraction buried 86.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1794.2Ų
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 607.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)