FAIRMol

Z57281539

Pose ID 629 Compound 187 Pose 629

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 Z57281539
PDB5SD8

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
15.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.61, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
83%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.179 kcal/mol/HA) ✓ Good fit quality (FQ -10.06) ✓ Good H-bonds (4 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Moderate strain (15.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-24.770
kcal/mol
LE
-1.179
kcal/mol/HA
Fit Quality
-10.06
FQ (Leeson)
HAC
21
heavy atoms
MW
301
Da
LogP
4.12
cLogP
Strain ΔE
15.7 kcal/mol
SASA buried
94%
Lipo contact
83% BSA apolar/total
SASA unbound
510 Ų
Apolar buried
397 Ų

Interaction summary

HB 4 HY 15 PI 1 CLASH 2
Final rank1.443Score-24.770
Inter norm-1.275Intra norm0.095
Top1000noExcludedno
Contacts16H-bonds4
Artifact reasongeometry warning; 6 clashes; 1 protein clash
Residues
ALA10 GLU31 GLY117 ILE61 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 SER60 THR57 TRP25 TYR122 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 overlap14Native recall0.67
Jaccard0.61RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
635 0.7797543063660407 -1.03864 -23.8267 6 12 0 0.00 0.00 - no Open
629 1.4429483420959466 -1.27465 -24.7705 4 16 14 0.67 0.20 - no Current
651 2.2720410504418993 -1.07823 -21.4419 4 11 0 0.00 0.00 - no Open
651 3.201970499986924 -1.26973 -25.8745 6 16 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 -24.770kcal/mol
Ligand efficiency (LE) -1.1795kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.061
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 300.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.12
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.73kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 65.34kcal/mol
Minimised FF energy 49.60kcal/mol

SASA & burial

✓ computed
SASA (unbound) 509.8Ų
Total solvent-accessible surface area of free ligand
BSA total 479.3Ų
Buried surface area upon binding
BSA apolar 397.4Ų
Hydrophobic contacts buried
BSA polar 81.9Ų
Polar contacts buried
Fraction buried 94.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1470.6Ų
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 630.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)