FAIRMol

KB_HAT_118

Pose ID 133 Compound 110 Pose 133

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 KB_HAT_118
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
20.6 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.71, Jaccard 0.60, H-bond role recall 0.40
Burial
93%
Hydrophobic fit
87%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.053 kcal/mol/HA) ✓ Good fit quality (FQ -9.44) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ High strain energy (20.6 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (10)
Score
-25.278
kcal/mol
LE
-1.053
kcal/mol/HA
Fit Quality
-9.44
FQ (Leeson)
HAC
24
heavy atoms
MW
348
Da
LogP
1.11
cLogP
Strain ΔE
20.6 kcal/mol
SASA buried
93%
Lipo contact
87% BSA apolar/total
SASA unbound
578 Ų
Apolar buried
471 Ų

Interaction summary

HB 6 HY 24 PI 2 CLASH 3
Final rank1.019Score-25.278
Inter norm-1.064Intra norm0.011
Top1000noExcludedno
Contacts19H-bonds6
Artifact reasongeometry warning; 10 clashes; 5 protein contact clashes; moderate strain Δ 20.6
Residues
ALA10 GLU31 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE135 PHE32 PHE35 PRO27 SER60 THR137 THR57 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 overlap15Native recall0.71
Jaccard0.60RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
123 0.7990061726787894 -1.08501 -22.1541 4 17 15 0.71 0.60 - no Open
101 0.8447828117111033 -0.980685 -22.7934 4 17 0 0.00 0.00 - no Open
133 1.0187228480930377 -1.06423 -25.2784 6 19 15 0.71 0.40 - no Current
126 1.292903671876466 -1.35753 -22.4311 12 13 0 0.00 0.00 - no Open
99 1.8363658660520557 -1.33485 -35.3362 9 16 0 0.00 0.00 - no Open
100 3.079495473906154 -1.01212 -19.4856 4 18 0 0.00 0.00 - no Open
104 3.618412026689628 -0.89686 -11.2779 5 15 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 -25.278kcal/mol
Ligand efficiency (LE) -1.0533kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.439
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 347.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.11
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.63kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 136.88kcal/mol
Minimised FF energy 116.25kcal/mol

SASA & burial

✓ computed
SASA (unbound) 578.4Ų
Total solvent-accessible surface area of free ligand
BSA total 539.6Ų
Buried surface area upon binding
BSA apolar 470.6Ų
Hydrophobic contacts buried
BSA polar 69.0Ų
Polar contacts buried
Fraction buried 93.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1585.9Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 601.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)