FAIRMol

Z30879796

Pose ID 1313 Compound 798 Pose 635

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 Z30879796
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
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
18.7 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.67, Jaccard 0.56, H-bond role recall 0.40
Burial
90%
Hydrophobic fit
91%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.767 kcal/mol/HA) ✓ Good fit quality (FQ -7.54) ✓ Good H-bonds (5 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (91%) ✗ Moderate strain (18.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (17)
Score
-24.545
kcal/mol
LE
-0.767
kcal/mol/HA
Fit Quality
-7.54
FQ (Leeson)
HAC
32
heavy atoms
MW
488
Da
LogP
5.33
cLogP
Strain ΔE
18.7 kcal/mol
SASA buried
90%
Lipo contact
91% BSA apolar/total
SASA unbound
730 Ų
Apolar buried
597 Ų

Interaction summary

HB 5 HY 24 PI 2 CLASH 3

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 rank1.462Score-24.545
Inter norm-0.811Intra norm0.044
Top1000noExcludedno
Contacts18H-bonds5
Artifact reasongeometry warning; 17 clashes; 3 protein contact clashes; 1 severe cofactor-context clash
Residues
ALA10 ARG29 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 SER60 THR137 TYR122 TYR34 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 overlap14Native recall0.67
Jaccard0.56RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
632 1.243029950327408 -0.715524 -23.1313 0 17 0 0.00 0.00 - no Open
635 1.4623639465361715 -0.810768 -24.5451 5 18 14 0.67 0.40 - no Current
655 3.2994755327115124 -0.702435 -21.7347 3 18 0 0.00 0.00 - no Open
650 3.6866953484990788 -0.880427 -27.0054 2 15 0 0.00 0.00 - no Open
642 5.395951478542988 -0.694543 -18.9361 3 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 -24.545kcal/mol
Ligand efficiency (LE) -0.7670kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.543
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 488.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.33
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.74kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 137.48kcal/mol
Minimised FF energy 118.74kcal/mol

SASA & burial

✓ computed
SASA (unbound) 729.8Ų
Total solvent-accessible surface area of free ligand
BSA total 657.1Ų
Buried surface area upon binding
BSA apolar 597.3Ų
Hydrophobic contacts buried
BSA polar 59.7Ų
Polar contacts buried
Fraction buried 90.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 90.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1732.8Ų
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 606.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)