FAIRMol

Z57176222

Pose ID 567 Compound 529 Pose 567

DB fairmolDocking 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 Z57176222
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 medium Native strong SASA done
Strain ΔE
15.9 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.81, Jaccard 0.77, H-bond role recall 0.40
Burial
93%
Hydrophobic fit
65%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.173 kcal/mol/HA) ✓ Good fit quality (FQ -10.19) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (65%) ✗ Moderate strain (15.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-25.817
kcal/mol
LE
-1.173
kcal/mol/HA
Fit Quality
-10.19
FQ (Leeson)
HAC
22
heavy atoms
MW
302
Da
LogP
1.99
cLogP
Strain ΔE
15.9 kcal/mol
SASA buried
93%
Lipo contact
65% BSA apolar/total
SASA unbound
498 Ų
Apolar buried
300 Ų

Interaction summary

HB 9 HY 14 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 rank2.995Score-25.817
Inter norm-1.249Intra norm0.076
Top1000noExcludedno
Contacts18H-bonds9
Artifact reasongeometry warning; 8 clashes; 2 protein clashes; 1 cofactor-context clash
Residues
ALA10 ASP22 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 NAP201 PHE32 PHE35 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
Jaccard0.77RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
559 0.7198418180090042 -0.933488 -20.4818 6 9 0 0.00 0.00 - no Open
525 2.4172194168614993 -1.48041 -32.0363 9 18 0 0.00 0.00 - no Open
512 2.545937422647049 -1.61802 -34.0323 11 17 0 0.00 0.00 - no Open
567 2.9952729829901434 -1.24945 -25.8165 9 18 17 0.81 0.40 - no Current
524 3.422947619134114 -1.36673 -26.6001 13 17 0 0.00 0.00 - no Open
550 3.750956682432338 -1.21808 -25.8403 6 12 0 0.00 0.00 - no Open
582 4.472569139535506 -1.15982 -25.4195 9 12 0 0.00 0.00 - no Open
529 4.491059808940537 -1.52163 -29.8977 11 17 0 0.00 0.00 - no Open
541 5.152210004952779 -1.44518 -30.0794 11 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 -25.817kcal/mol
Ligand efficiency (LE) -1.1735kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.188
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 302.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.99
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.91kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 91.46kcal/mol
Minimised FF energy 75.55kcal/mol

SASA & burial

✓ computed
SASA (unbound) 497.8Ų
Total solvent-accessible surface area of free ligand
BSA total 462.6Ų
Buried surface area upon binding
BSA apolar 300.1Ų
Hydrophobic contacts buried
BSA polar 162.4Ų
Polar contacts buried
Fraction buried 92.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1376.6Ų
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 627.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)