FAIRMol

Z1501480422

Pose ID 1307 Compound 313 Pose 629

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 Z1501480422
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
40.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.81, Jaccard 0.68, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
88%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.750 kcal/mol/HA) ✓ Good fit quality (FQ -7.84) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Extreme strain energy (40.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-30.016
kcal/mol
LE
-0.750
kcal/mol/HA
Fit Quality
-7.84
FQ (Leeson)
HAC
40
heavy atoms
MW
582
Da
LogP
5.11
cLogP
Strain ΔE
40.6 kcal/mol
SASA buried
90%
Lipo contact
88% BSA apolar/total
SASA unbound
800 Ų
Apolar buried
633 Ų

Interaction summary

HB 6 HY 24 PI 4 CLASH 1

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

Final rank2.856Score-30.016
Inter norm-0.787Intra norm0.036
Top1000noExcludedno
Contacts21H-bonds6
Artifact reasongeometry warning; 17 clashes; 1 protein clash; high strain Δ 40.6
Residues
ALA10 ARG29 ASP22 GLN36 GLU31 ILE61 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 PRO62 SER60 THR137 THR57 TYR122 TYR34 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 overlap17Native recall0.81
Jaccard0.68RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
627 1.945352270673476 -0.682565 -17.998 3 20 16 0.76 0.20 - no Open
629 2.855859464316449 -0.786594 -30.0162 6 21 17 0.81 0.20 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -30.016kcal/mol
Ligand efficiency (LE) -0.7504kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.837
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 40HA

Physicochemical properties

Molecular weight 582.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.11
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.58kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 30.58kcal/mol
Minimised FF energy -10.00kcal/mol

SASA & burial

✓ computed
SASA (unbound) 800.0Ų
Total solvent-accessible surface area of free ligand
BSA total 722.9Ų
Buried surface area upon binding
BSA apolar 632.7Ų
Hydrophobic contacts buried
BSA polar 90.2Ų
Polar contacts buried
Fraction buried 90.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1769.9Ų
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 609.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)