FAIRMol

OHD_TB2021_32

Pose ID 738 Compound 990 Pose 60

DB fairmolDocking 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_32
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 mixed SASA done
Strain ΔE
43.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.48, Jaccard 0.38, H-bond role recall 0.20
Burial
93%
Hydrophobic fit
64%
Reason: strain 43.0 kcal/mol
strain ΔE 43.0 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.667 kcal/mol/HA) ✓ Good fit quality (FQ -5.69) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (64%) ✗ Extreme strain energy (43.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-14.010
kcal/mol
LE
-0.667
kcal/mol/HA
Fit Quality
-5.69
FQ (Leeson)
HAC
21
heavy atoms
MW
315
Da
LogP
0.76
cLogP
Strain ΔE
43.0 kcal/mol
SASA buried
93%
Lipo contact
64% BSA apolar/total
SASA unbound
506 Ų
Apolar buried
301 Ų

Interaction summary

HB 12 HY 18 PI 1 CLASH 1

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

Final rank3.138Score-14.010
Inter norm-1.211Intra norm0.544
Top1000noExcludedno
Contacts15H-bonds12
Artifact reasongeometry warning; 8 clashes; 2 protein clashes; high normalized intra; high strain Δ 43.0
Residues
ALA10 GLU31 ILE8 LEU23 LEU28 NAP201 PHE135 PHE32 PHE35 PRO27 THR137 TRP25 TYR122 TYR34 VAL9

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 overlap10Native recall0.48
Jaccard0.38RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
53 2.0678219040784587 -1.1129 -18.6613 2 18 0 0.00 0.00 - no Open
27 2.5586706727142268 -1.53566 -28.6459 10 20 0 0.00 0.00 - no Open
60 3.138126296306823 -1.2108 -14.0103 12 15 10 0.48 0.20 - no Current
30 4.103352352734614 -1.42106 -26.5876 14 18 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 -14.010kcal/mol
Ligand efficiency (LE) -0.6672kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.691
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 315.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.76
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 43.01kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 32.46kcal/mol
Minimised FF energy -10.55kcal/mol

SASA & burial

✓ computed
SASA (unbound) 505.7Ų
Total solvent-accessible surface area of free ligand
BSA total 468.6Ų
Buried surface area upon binding
BSA apolar 300.5Ų
Hydrophobic contacts buried
BSA polar 168.1Ų
Polar contacts buried
Fraction buried 92.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1404.0Ų
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 611.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)