FAIRMol

TC409

Pose ID 962 Compound 708 Pose 284

DB SELECTIONDocking 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 TC409
PDB5SD8

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
26.8 kcal/mol
Protein clashes
0
Internal clashes
3
Native overlap
contact recall 0.62, Jaccard 0.54, H-bond role recall 0.00
Burial
85%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.070 kcal/mol/HA) ✓ Good fit quality (FQ -9.86) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ High strain energy (26.8 kcal/mol) ✗ Geometry warnings
Score
-27.817
kcal/mol
LE
-1.070
kcal/mol/HA
Fit Quality
-9.86
FQ (Leeson)
HAC
26
heavy atoms
MW
366
Da
LogP
2.92
cLogP
Strain ΔE
26.8 kcal/mol
SASA buried
85%
Lipo contact
80% BSA apolar/total
SASA unbound
648 Ų
Apolar buried
439 Ų

Interaction summary

HB 6 HY 21 PI 1 CLASH 0
Final rank0.782Score-27.817
Inter norm-1.092Intra norm0.023
Top1000noExcludedno
Contacts16H-bonds6
Artifact reasongeometry warning; 3 clashes; 1 protein clash; 1 cofactor-context clash; moderate strain Δ 26.8
Residues
ASP22 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE35 PRO26 PRO27 PRO62 SER60 THR57 TRP25 TYR122 VAL116

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

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 overlap13Native recall0.62
Jaccard0.54RMSD-
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
253 0.19807840433788065 -0.837071 -18.4969 1 14 0 0.00 0.00 - no Open
231 0.5272779714366282 -0.937238 -23.9222 2 18 0 0.00 0.00 - no Open
237 0.6354838805780988 -1.25219 -31.6245 9 16 0 0.00 0.00 - no Open
284 0.7823962866555599 -1.09244 -27.8173 6 16 13 0.62 0.00 - no Current
202 0.8808999213169224 -1.09214 -28.6167 6 17 0 0.00 0.00 - no Open
241 1.4294098967066227 -1.27784 -31.7113 8 15 0 0.00 0.00 - no Open
278 1.5706253236876964 -1.06354 -25.3758 6 13 0 0.00 0.00 - no Open
169 2.374618991612418 -0.91184 -21.2224 16 18 0 0.00 0.00 - no Open
340 2.703325505043773 -0.877203 -22.0583 8 12 0 0.00 0.00 - no Open
282 2.7306916933281316 -0.8242 -20.8388 8 11 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 -27.817kcal/mol
Ligand efficiency (LE) -1.0699kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.857
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 366.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.92
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.84kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 44.48kcal/mol
Minimised FF energy 17.64kcal/mol

SASA & burial

✓ computed
SASA (unbound) 648.3Ų
Total solvent-accessible surface area of free ligand
BSA total 548.5Ų
Buried surface area upon binding
BSA apolar 439.0Ų
Hydrophobic contacts buried
BSA polar 109.4Ų
Polar contacts buried
Fraction buried 84.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1586.8Ų
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 617.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)