FAIRMol

OHD_TC2_13

Pose ID 5493 Compound 594 Pose 75

DB SELECTIONDocking 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_TC2_13

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
134.2 kcal/mol
Protein clashes
0
Internal clashes
18
Native overlap
contact recall 0.67, Jaccard 0.52, H-bond role recall 0.00
Burial
78%
Hydrophobic fit
98%
Reason: 18 internal clashes, strain 134.2 kcal/mol
strain ΔE 134.2 kcal/mol 18 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Acceptable LE (-0.256 kcal/mol/HA) ✓ Good fit quality (FQ -2.84) ✓ Good H-bonds (4 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (98%) ✗ Extreme strain energy (134.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-13.329
kcal/mol
LE
-0.256
kcal/mol/HA
Fit Quality
-2.84
FQ (Leeson)
HAC
52
heavy atoms
MW
707
Da
LogP
-2.35
cLogP
Strain ΔE
134.2 kcal/mol
SASA buried
78%
Lipo contact
98% BSA apolar/total
SASA unbound
1051 Ų
Apolar buried
799 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 0
Final rank3.127Score-13.329
Inter norm-0.501Intra norm0.245
Top1000noExcludedno
Contacts20H-bonds4
Artifact reasongeometry warning; 18 clashes; 1 protein clash; high strain Δ 117.3
Residues
NDP301 ALA32 ARG48 ARG97 ILE45 LEU94 LYS57 LYS95 MET53 PHE56 PHE91 PRO88 PRO93 SER44 TRP47 TYR162 VAL156 VAL31 VAL49 VAL87

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

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 overlap14Native recall0.67
Jaccard0.52RMSD-
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
78 1.9477987273075534 -0.613897 -22.6904 7 15 0 0.00 0.00 - no Open
90 2.0174935328161827 -0.500364 -20.9277 5 21 0 0.00 0.00 - no Open
109 2.297692817419667 -0.691616 -29.5067 2 18 0 0.00 0.00 - no Open
81 3.0444813778977284 -0.598468 -25.8901 5 18 0 0.00 0.00 - no Open
75 3.1272769283568476 -0.501173 -13.329 4 20 14 0.67 0.00 - no Current
109 3.426055917331537 -0.363483 -18.9274 4 12 0 0.00 0.00 - no Open
109 3.59237430105183 -0.558946 -19.384 3 20 0 0.00 0.00 - no Open
67 3.8897517609389602 -0.512355 -13.1727 6 14 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 -13.329kcal/mol
Ligand efficiency (LE) -0.2563kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -2.840
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 52HA

Physicochemical properties

Molecular weight 707.0Da
Lipinski: ≤ 500 Da
LogP (cLogP) -2.35
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 134.22kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 608.66kcal/mol
Minimised FF energy 474.44kcal/mol

SASA & burial

✓ computed
SASA (unbound) 1050.9Ų
Total solvent-accessible surface area of free ligand
BSA total 819.0Ų
Buried surface area upon binding
BSA apolar 798.8Ų
Hydrophobic contacts buried
BSA polar 20.1Ų
Polar contacts buried
Fraction buried 77.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 97.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3758.9Ų
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 1688.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)