FAIRMol

Z56815073

Pose ID 1319 Compound 318 Pose 641

DB fairmolDocking 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 Z56815073
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
31.9 kcal/mol
Protein clashes
0
Internal clashes
13
Native overlap
contact recall 0.71, Jaccard 0.60, H-bond role recall 0.00
Burial
84%
Hydrophobic fit
81%
Reason: 13 internal clashes
13 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.901 kcal/mol/HA) ✓ Good fit quality (FQ -8.86) ✓ Good H-bonds (4 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Very high strain energy (31.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-28.842
kcal/mol
LE
-0.901
kcal/mol/HA
Fit Quality
-8.86
FQ (Leeson)
HAC
32
heavy atoms
MW
569
Da
LogP
5.67
cLogP
Strain ΔE
31.9 kcal/mol
SASA buried
84%
Lipo contact
81% BSA apolar/total
SASA unbound
743 Ų
Apolar buried
508 Ų

Interaction summary

HB 4 HY 24 PI 1 CLASH 0

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.
Final rank2.297Score-28.842
Inter norm-0.933Intra norm0.032
Top1000noExcludedno
Contacts19H-bonds4
Artifact reasongeometry warning; 13 clashes; 1 protein clash; high strain Δ 31.9
Residues
ALA10 ASP22 GLU31 ILE61 ILE8 LEU23 NAP201 PHE32 PHE35 PRO24 PRO26 PRO27 PRO62 SER60 THR137 THR57 TRP25 VAL116 VAL9

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 strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
662 0.6661725537921506 -1.04002 -28.6522 3 19 0 0.00 0.00 - no Open
659 0.7707737947628458 -0.753505 -21.1708 0 16 0 0.00 0.00 - no Open
652 0.8225922751736459 -1.01993 -29.9798 1 17 0 0.00 0.00 - no Open
642 1.139808952940768 -0.847734 -26.7285 5 14 0 0.00 0.00 - no Open
656 1.7653889637304623 -0.867492 -24.6089 3 18 0 0.00 0.00 - no Open
655 1.8473635475241321 -1.0072 -32.0974 3 18 0 0.00 0.00 - no Open
638 1.9648568381193203 -0.927569 -29.9449 4 16 16 0.76 0.00 - no Open
645 2.1923496622071084 -0.758001 -17.56 2 18 0 0.00 0.00 - no Open
661 2.2567473265764555 -0.765666 -25.1725 7 20 0 0.00 0.00 - no Open
641 2.292373942513122 -0.725642 -22.2969 4 13 0 0.00 0.00 - no Open
641 2.2974884616866427 -0.933418 -28.8424 4 19 15 0.71 0.00 - no Current
654 3.071439811116401 -0.870778 -29.2301 13 16 0 0.00 0.00 - no Open
659 3.8692944863611776 -0.656079 -21.7278 6 10 0 0.00 0.00 - no Open
660 3.931763085408765 -0.81696 -27.3427 3 19 0 0.00 0.00 - no Open
666 5.297500006745246 -0.919049 -23.1364 13 21 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 -28.842kcal/mol
Ligand efficiency (LE) -0.9013kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.864
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 568.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.67
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 30.44kcal/mol
Minimised FF energy -1.45kcal/mol

SASA & burial

✓ computed
SASA (unbound) 742.8Ų
Total solvent-accessible surface area of free ligand
BSA total 624.6Ų
Buried surface area upon binding
BSA apolar 508.0Ų
Hydrophobic contacts buried
BSA polar 116.6Ų
Polar contacts buried
Fraction buried 84.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1626.3Ų
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 625.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)