FAIRMol

Z57392960

Pose ID 1122 Compound 179 Pose 444

DB SELECTIONDocking pose analysis is being read from this database.
Compound detail Protein structures Back to compounds
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand Z57392960
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 high Native mixed SASA done
Strain ΔE
16.1 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.48, Jaccard 0.40, H-bond role recall 0.00
Burial
75%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.941 kcal/mol/HA) ✓ Good fit quality (FQ -8.78) ✓ Good H-bonds (4 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Moderate strain (16.1 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (6) ✗ Many internal clashes (11)
Score
-25.395
kcal/mol
LE
-0.941
kcal/mol/HA
Fit Quality
-8.78
FQ (Leeson)
HAC
27
heavy atoms
MW
420
Da
LogP
4.26
cLogP
Strain ΔE
16.1 kcal/mol
SASA buried
75%
Lipo contact
70% BSA apolar/total
SASA unbound
652 Ų
Apolar buried
346 Ų

Interaction summary

HB 4 HY 24 PI 3 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 rank1.225Score-25.395
Inter norm-0.988Intra norm0.047
Top1000noExcludedno
Contacts14H-bonds4
Artifact reasongeometry warning; 11 clashes; 6 protein contact clashes
Residues
ALA10 ARG29 GLU31 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 TRP25 TYR122 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 overlap10Native recall0.48
Jaccard0.40RMSD-
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
376 0.7918257687305323 -1.08225 -28.1784 4 14 0 0.00 0.00 - no Open
444 1.2254280409492806 -0.987606 -25.3946 4 14 10 0.48 0.00 - no Current
459 1.400291304754934 -1.01949 -26.0129 4 14 10 0.48 0.00 - no Open
355 3.476846046712871 -1.28186 -33.5517 9 22 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 -25.395kcal/mol
Ligand efficiency (LE) -0.9405kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.775
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties
Molecular weight 419.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.26
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)
Strain energy (ΔE) 16.10kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 46.36kcal/mol
Minimised FF energy 30.25kcal/mol

SASA & burial

✓ computed
SASA (unbound) 652.0Ų
Total solvent-accessible surface area of free ligand
BSA total 491.2Ų
Buried surface area upon binding
BSA apolar 346.5Ų
Hydrophobic contacts buried
BSA polar 144.8Ų
Polar contacts buried
Fraction buried 75.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1514.5Ų
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 650.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)