FAIRMol

OHD_MAC_12

Pose ID 424 Compound 337 Pose 424

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 OHD_MAC_12
PDB5SD8

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
34.9 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.76, Jaccard 0.73, H-bond role recall 0.20
Burial
85%
Hydrophobic fit
81%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.528 kcal/mol/HA) ✓ Good fit quality (FQ -5.14) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Very high strain energy (34.9 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Many internal clashes (14)
Score
-16.356
kcal/mol
LE
-0.528
kcal/mol/HA
Fit Quality
-5.14
FQ (Leeson)
HAC
31
heavy atoms
MW
480
Da
LogP
3.74
cLogP
Strain ΔE
34.9 kcal/mol
SASA buried
85%
Lipo contact
81% BSA apolar/total
SASA unbound
734 Ų
Apolar buried
502 Ų

Interaction summary

HB 7 HY 24 PI 2 CLASH 3
Final rank2.042Score-16.356
Inter norm-0.862Intra norm0.334
Top1000noExcludedno
Contacts17H-bonds7
Artifact reasongeometry warning; 14 clashes; 8 protein contact clashes; 1 cofactor-context clash; high strain Δ 34.9
Residues
ALA10 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR57 VAL116 VAL9

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

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 overlap16Native recall0.76
Jaccard0.73RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
300 1.0711691112364008 -1.05107 -20.1566 8 22 0 0.00 0.00 - no Open
424 2.042251974166072 -0.861773 -16.3557 7 17 16 0.76 0.20 - no Current
331 2.0952911586624827 -1.04966 -32.8173 9 19 0 0.00 0.00 - no Open
320 2.1172938306051168 -0.959472 -22.8453 11 16 0 0.00 0.00 - no Open
462 3.1861336036691874 -0.774766 -17.2319 5 16 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 -16.356kcal/mol
Ligand efficiency (LE) -0.5276kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.140
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 480.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.74
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 34.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 125.61kcal/mol
Minimised FF energy 90.72kcal/mol

SASA & burial

✓ computed
SASA (unbound) 734.0Ų
Total solvent-accessible surface area of free ligand
BSA total 621.1Ų
Buried surface area upon binding
BSA apolar 501.7Ų
Hydrophobic contacts buried
BSA polar 119.4Ų
Polar contacts buried
Fraction buried 84.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1623.7Ų
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 668.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)