FAIRMol

OHD_MAC_21

Pose ID 5777 Compound 3163 Pose 359

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T09
L. major DHFR-TS L. major
Ligand OHD_MAC_21

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
74.7 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.43, Jaccard 0.33, H-bond role recall 0.00
Burial
81%
Hydrophobic fit
83%
Reason: strain 74.7 kcal/mol
strain ΔE 74.7 kcal/mol 5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.460 kcal/mol/HA) ✓ Good fit quality (FQ -4.52) ✓ Good H-bonds (4 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Extreme strain energy (74.7 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Many internal clashes (14)
Score
-14.721
kcal/mol
LE
-0.460
kcal/mol/HA
Fit Quality
-4.52
FQ (Leeson)
HAC
32
heavy atoms
MW
433
Da
LogP
-0.00
cLogP
Strain ΔE
74.7 kcal/mol
SASA buried
81%
Lipo contact
83% BSA apolar/total
SASA unbound
741 Ų
Apolar buried
502 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 5

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 rank2.244Score-14.721
Inter norm-0.798Intra norm0.338
Top1000noExcludedno
Contacts15H-bonds4
Artifact reasongeometry warning; 14 clashes; 8 protein contact clashes; high strain Δ 74.7
Residues
NDP301 ALA32 ARG48 ARG97 ASP52 ILE45 LEU94 LYS95 MET53 PHE91 PRO50 PRO88 PRO93 TRP47 VAL49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts21
PoseOpen native poseHB0
IFP residues
NDP301 ALA32 ARG97 ASP52 GLY157 ILE45 LEU94 LYS57 MET53 PHE55 PHE56 PHE91 PRO88 SER86 THR180 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap9Native recall0.43
Jaccard0.33RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

511 residues
Protein targetT09Atoms8170
Residues511Chains2
Residue summaryLEU:1064; ARG:840; LYS:572; GLU:570; VAL:528; PHE:460; ILE:456; ALA:440; PRO:420; THR:406; TYR:357; ASP:312; GLN:289; ASN:238; SER:231; GLY:224

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:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
359 2.244470784373827 -0.798467 -14.7208 4 15 9 0.43 0.00 - no Current
357 2.8793379368286023 -0.818089 -19.7883 13 18 0 0.00 0.00 - no Open
339 4.037169782378875 -1.25769 -31.2658 9 19 0 0.00 0.00 - no Open
303 4.54368954996928 -0.824304 -21.8567 11 18 0 0.00 0.00 - no Open
326 4.921780442364073 -1.03614 -25.2784 13 18 0 0.00 0.00 - no Open
397 4.964586519044101 -0.839228 -19.9991 7 22 0 0.00 0.00 - no Open
322 5.335617475749751 -0.879574 -24.4531 11 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 -14.721kcal/mol
Ligand efficiency (LE) -0.4600kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.524
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 433.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.00
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 74.69kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 201.57kcal/mol
Minimised FF energy 126.88kcal/mol

SASA & burial

✓ computed
SASA (unbound) 741.2Ų
Total solvent-accessible surface area of free ligand
BSA total 603.1Ų
Buried surface area upon binding
BSA apolar 501.5Ų
Hydrophobic contacts buried
BSA polar 101.6Ų
Polar contacts buried
Fraction buried 81.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3348.1Ų
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 4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1683.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)