FAIRMol

Z55547277

Pose ID 496 Compound 136 Pose 496

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 Z55547277
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
18.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.81, Jaccard 0.77, H-bond role recall 0.00
Burial
88%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.878 kcal/mol/HA) ✓ Good fit quality (FQ -8.29) ✓ Good H-bonds (3 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Moderate strain (18.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-24.574
kcal/mol
LE
-0.878
kcal/mol/HA
Fit Quality
-8.29
FQ (Leeson)
HAC
28
heavy atoms
MW
412
Da
LogP
4.18
cLogP
Strain ΔE
18.9 kcal/mol
SASA buried
88%
Lipo contact
82% BSA apolar/total
SASA unbound
681 Ų
Apolar buried
493 Ų

Interaction summary

HB 3 HY 24 PI 2 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 rank1.160Score-24.574
Inter norm-1.081Intra norm0.203
Top1000noExcludedno
Contacts18H-bonds3
Artifact reasongeometry warning; 8 clashes; 1 protein clash; 1 cofactor-context clash
Residues
ALA10 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE35 PRO27 PRO62 SER60 THR137 THR57 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 overlap17Native recall0.81
Jaccard0.77RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
438 0.08098399655303873 -1.15476 -29.7773 5 16 0 0.00 0.00 - no Open
496 1.1599538305110297 -1.08096 -24.5739 3 18 17 0.81 0.00 - 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 -24.574kcal/mol
Ligand efficiency (LE) -0.8776kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.285
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 411.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.18
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.93kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 59.05kcal/mol
Minimised FF energy 40.11kcal/mol

SASA & burial

✓ computed
SASA (unbound) 680.9Ų
Total solvent-accessible surface area of free ligand
BSA total 602.0Ų
Buried surface area upon binding
BSA apolar 493.1Ų
Hydrophobic contacts buried
BSA polar 108.9Ų
Polar contacts buried
Fraction buried 88.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1622.2Ų
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 617.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)