FAIRMol

OHD_MAC_49

Pose ID 445 Compound 589 Pose 445

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_49
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
67.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.86, Jaccard 0.69, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
77%
Reason: strain 67.9 kcal/mol
strain ΔE 67.9 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.742 kcal/mol/HA) ✓ Good fit quality (FQ -7.37) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Extreme strain energy (67.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-24.495
kcal/mol
LE
-0.742
kcal/mol/HA
Fit Quality
-7.37
FQ (Leeson)
HAC
33
heavy atoms
MW
447
Da
LogP
2.78
cLogP
Strain ΔE
67.9 kcal/mol
SASA buried
90%
Lipo contact
77% BSA apolar/total
SASA unbound
760 Ų
Apolar buried
523 Ų

Interaction summary

HB 7 HY 24 PI 1 CLASH 1
Final rank3.555Score-24.495
Inter norm-0.895Intra norm0.153
Top1000noExcludedno
Contacts23H-bonds7
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; high strain Δ 67.7
Residues
ALA10 ASN65 ASP22 GLU31 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO26 PRO27 PRO62 SER60 THR137 THR57 TRP25 TYR122 TYR34 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 overlap18Native recall0.86
Jaccard0.69RMSD-
HB strict1Strict recall0.20
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
358 1.0155874823896842 -1.03757 -29.1722 9 19 0 0.00 0.00 - no Open
429 1.2454421783000702 -0.93846 -24.4127 5 19 16 0.76 0.40 - no Open
313 2.885852622249077 -1.01039 -27.4889 13 18 0 0.00 0.00 - no Open
398 2.924227394629478 -0.835383 -20.9815 7 17 0 0.00 0.00 - no Open
352 3.0026657423916276 -0.732155 -19.3364 5 17 0 0.00 0.00 - no Open
380 3.3276613975301435 -0.663488 -20.2658 8 17 0 0.00 0.00 - no Open
445 3.555221163076815 -0.895338 -24.4953 7 23 18 0.86 0.20 - no Current
474 3.58031970662104 -0.827347 -20.0987 7 20 0 0.00 0.00 - no Open
359 3.979795137275888 -0.749907 -21.5576 7 19 0 0.00 0.00 - no Open
449 4.019285786281364 -0.837107 -23.0178 9 20 0 0.00 0.00 - no Open
339 4.480605875198744 -0.932411 -28.9537 15 24 0 0.00 0.00 - no Open
412 4.730901331874943 -0.778603 -23.0559 9 17 0 0.00 0.00 - no Open
374 5.169873192086845 -0.788752 -19.2509 8 18 0 0.00 0.00 - no Open
369 5.306786399993182 -0.810316 -22.4469 16 17 0 0.00 0.00 - no Open
315 6.093306122153872 -0.830242 -14.8988 12 20 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 -24.495kcal/mol
Ligand efficiency (LE) -0.7423kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.365
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 447.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.78
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 67.91kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 136.95kcal/mol
Minimised FF energy 69.04kcal/mol

SASA & burial

✓ computed
SASA (unbound) 759.7Ų
Total solvent-accessible surface area of free ligand
BSA total 682.1Ų
Buried surface area upon binding
BSA apolar 522.7Ų
Hydrophobic contacts buried
BSA polar 159.3Ų
Polar contacts buried
Fraction buried 89.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1639.4Ų
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 623.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)