FAIRMol

OHD_MAC_43

Pose ID 442 Compound 290 Pose 442

DB SELECTIONDocking 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 OHD_MAC_43
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
36.3 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.71, Jaccard 0.65, H-bond role recall 0.00
Burial
87%
Hydrophobic fit
76%
Reason: no major geometry red flags detected
3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.804 kcal/mol/HA) ✓ Good fit quality (FQ -7.83) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Very high strain energy (36.3 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (6) ✗ Many internal clashes (16)
Score
-24.921
kcal/mol
LE
-0.804
kcal/mol/HA
Fit Quality
-7.83
FQ (Leeson)
HAC
31
heavy atoms
MW
419
Da
LogP
2.73
cLogP
Strain ΔE
36.3 kcal/mol
SASA buried
87%
Lipo contact
76% BSA apolar/total
SASA unbound
688 Ų
Apolar buried
455 Ų

Interaction summary

HB 9 HY 23 PI 2 CLASH 4

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 rank1.858Score-24.921
Inter norm-0.914Intra norm0.110
Top1000noExcludedno
Contacts17H-bonds9
Artifact reasongeometry warning; 16 clashes; 6 protein contact clashes; 1 cofactor-context clash; high strain Δ 36.3
Residues
ALA10 ASP22 GLU31 ILE61 ILE8 LEU23 LEU68 NAP201 PHE35 PRO27 PRO62 SER60 THR137 THR57 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 overlap15Native recall0.71
Jaccard0.65RMSD-
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
327 1.0964829522574546 -1.03991 -21.1418 12 16 0 0.00 0.00 - no Open
364 1.7239846691089398 -0.778679 -17.0858 7 13 0 0.00 0.00 - no Open
442 1.8577202495374694 -0.913582 -24.9212 9 17 15 0.71 0.00 - no Current
352 2.0154827967061797 -1.11088 -32.2157 10 15 0 0.00 0.00 - no Open
397 2.882657732714977 -0.935709 -15.3974 6 16 0 0.00 0.00 - no Open
309 3.284185401307328 -0.904868 -24.0068 8 16 0 0.00 0.00 - no Open
373 3.8307218879275062 -0.609572 -12.9904 4 14 0 0.00 0.00 - no Open
445 4.192667213415826 -0.773887 -19.8971 6 14 0 0.00 0.00 - no Open
375 4.68242207807719 -0.75164 -13.7395 7 15 0 0.00 0.00 - no Open
355 4.842669355222647 -0.826399 -16.7147 9 16 0 0.00 0.00 - no Open
334 5.464562560325958 -1.04935 -31.2848 16 24 0 0.00 0.00 - no Open
409 5.568836563759863 -0.859961 -19.7397 9 21 0 0.00 0.00 - no Open
311 5.575954316282713 -0.847031 -14.0743 14 14 0 0.00 0.00 - no Open
370 5.799984693332239 -0.849161 -18.22 6 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 -24.921kcal/mol
Ligand efficiency (LE) -0.8039kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.832
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 419.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.73
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.29kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 110.12kcal/mol
Minimised FF energy 73.84kcal/mol

SASA & burial

✓ computed
SASA (unbound) 687.9Ų
Total solvent-accessible surface area of free ligand
BSA total 601.2Ų
Buried surface area upon binding
BSA apolar 454.9Ų
Hydrophobic contacts buried
BSA polar 146.3Ų
Polar contacts buried
Fraction buried 87.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1564.5Ų
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 628.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)