FAIRMol

Z49597035

Pose ID 1827 Compound 403 Pose 472

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T03
L. major DHFR L. major
Ligand Z49597035

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 mixed SASA done
Strain ΔE
35.6 kcal/mol
Protein clashes
5
Internal clashes
12
Native overlap
contact recall 0.45, Jaccard 0.39, H-bond role recall 0.20
Burial
84%
Hydrophobic fit
76%
Reason: 12 internal clashes
5 protein-contact clashes 12 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.111 kcal/mol/HA) ✓ Good fit quality (FQ -10.61) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Very high strain energy (35.6 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (12)
Score
-32.220
kcal/mol
LE
-1.111
kcal/mol/HA
Fit Quality
-10.61
FQ (Leeson)
HAC
29
heavy atoms
MW
438
Da
LogP
2.80
cLogP
Strain ΔE
35.6 kcal/mol
SASA buried
84%
Lipo contact
76% BSA apolar/total
SASA unbound
683 Ų
Apolar buried
440 Ų

Interaction summary

HB 6 HY 22 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 rank1.228Score-32.220
Inter norm-1.044Intra norm-0.067
Top1000noExcludedno
Contacts12H-bonds6
Artifact reasongeometry warning; 12 clashes; 5 protein contact clashes; high strain Δ 35.6
Residues
ARG97 ILE45 LEU94 LYS57 LYS90 LYS95 MET53 PHE56 PHE91 PRO88 PRO93 VAL87

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts20
PoseOpen native poseHB0
IFP residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap9Native recall0.45
Jaccard0.39RMSD-
HB strict2Strict recall0.29
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; NDP:74

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
447 0.888337325445654 -1.10697 -31.2652 5 16 0 0.00 0.00 - no Open
472 1.2275006668163393 -1.04442 -32.2197 6 12 9 0.45 0.20 - no Current
454 2.2280732915593453 -0.941058 -30.4346 7 16 1 0.05 0.00 - no Open
499 2.367404496171376 -0.901446 -20.999 7 14 0 0.00 0.00 - no Open
456 3.454633655970856 -0.895192 -23.5284 9 17 0 0.00 0.00 - no Open
429 3.6248530924080415 -0.927639 -25.9872 10 18 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 -32.220kcal/mol
Ligand efficiency (LE) -1.1110kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.606
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 437.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.80
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 35.59kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 86.13kcal/mol
Minimised FF energy 50.54kcal/mol

SASA & burial

✓ computed
SASA (unbound) 683.0Ų
Total solvent-accessible surface area of free ligand
BSA total 576.9Ų
Buried surface area upon binding
BSA apolar 439.5Ų
Hydrophobic contacts buried
BSA polar 137.4Ų
Polar contacts buried
Fraction buried 84.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1518.0Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 830.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)