FAIRMol

Z49638306

Pose ID 1152 Compound 845 Pose 474

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 Z49638306
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
26.9 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.76, Jaccard 0.70, H-bond role recall 0.80
Burial
92%
Hydrophobic fit
78%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.732 kcal/mol/HA) ✓ Good fit quality (FQ -7.06) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ High strain energy (26.9 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (6) ✗ Many internal clashes (16)
Score
-21.956
kcal/mol
LE
-0.732
kcal/mol/HA
Fit Quality
-7.06
FQ (Leeson)
HAC
30
heavy atoms
MW
398
Da
LogP
3.86
cLogP
Strain ΔE
26.9 kcal/mol
SASA buried
92%
Lipo contact
78% BSA apolar/total
SASA unbound
649 Ų
Apolar buried
465 Ų

Interaction summary

HB 8 HY 24 PI 2 CLASH 5
Final rank1.843Score-21.956
Inter norm-0.911Intra norm0.179
Top1000noExcludedno
Contacts18H-bonds8
Artifact reasongeometry warning; 16 clashes; 6 protein contact clashes; 1 severe cofactor-context clash; moderate strain Δ 26.9
Residues
ALA10 ASN65 GLN36 GLU31 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO27 PRO62 THR57 TYR122 VAL116 VAL9

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 overlap16Native recall0.76
Jaccard0.70RMSD-
HB strict3Strict recall0.60
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
419 1.3698913484446682 -1.21986 -37.7354 9 14 0 0.00 0.00 - no Open
474 1.8432837421999981 -0.910572 -21.9565 8 18 16 0.76 0.80 - no Current
383 2.5312611190851566 -0.94378 -32.6909 6 12 0 0.00 0.00 - no Open
416 2.9837563668447795 -1.15112 -31.2989 12 22 0 0.00 0.00 - no Open
446 3.147913771556294 -1.07455 -32.5822 7 12 0 0.00 0.00 - no Open
443 3.27891113853971 -0.71915 -21.2671 8 15 0 0.00 0.00 - no Open
397 4.450463944905651 -0.904324 -25.6236 8 20 0 0.00 0.00 - no Open
405 4.779173564879599 -0.794952 -21.6784 7 14 0 0.00 0.00 - no Open
425 5.063047121982455 -0.974088 -31.2835 7 12 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 -21.956kcal/mol
Ligand efficiency (LE) -0.7319kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.060
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 398.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.86
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.91kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 129.62kcal/mol
Minimised FF energy 102.71kcal/mol

SASA & burial

✓ computed
SASA (unbound) 649.3Ų
Total solvent-accessible surface area of free ligand
BSA total 595.6Ų
Buried surface area upon binding
BSA apolar 464.8Ų
Hydrophobic contacts buried
BSA polar 130.8Ų
Polar contacts buried
Fraction buried 91.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1571.6Ų
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 619.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)