FAIRMol

OHD_MAC_41

Pose ID 441 Compound 640 Pose 441

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_41
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 mixed SASA done
Strain ΔE
24.7 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.52, Jaccard 0.44, H-bond role recall 0.40
Burial
80%
Hydrophobic fit
77%
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 (-0.817 kcal/mol/HA) ✓ Good fit quality (FQ -7.88) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ High strain energy (24.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-24.496
kcal/mol
LE
-0.817
kcal/mol/HA
Fit Quality
-7.88
FQ (Leeson)
HAC
30
heavy atoms
MW
403
Da
LogP
3.03
cLogP
Strain ΔE
24.7 kcal/mol
SASA buried
80%
Lipo contact
77% BSA apolar/total
SASA unbound
681 Ų
Apolar buried
421 Ų

Interaction summary

HB 8 HY 20 PI 3 CLASH 3
Final rank4.435Score-24.496
Inter norm-0.898Intra norm0.082
Top1000noExcludedno
Contacts15H-bonds8
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; moderate strain Δ 24.7
Residues
ALA10 ARG29 ASN65 GLU31 GLY117 ILE61 LEU23 LEU28 NAP201 PHE32 PRO27 SER60 THR57 TRP25 VAL116

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

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 overlap11Native recall0.52
Jaccard0.44RMSD-
HB strict1Strict recall0.20
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
326 1.255230868429765 -1.0168 -17.678 10 14 0 0.00 0.00 - no Open
363 2.4201993079394484 -0.837563 -15.4698 8 14 0 0.00 0.00 - no Open
309 2.4530033927416857 -1.04657 -19.3533 10 22 0 0.00 0.00 - no Open
408 2.543924748760653 -0.765399 -20.1583 6 17 0 0.00 0.00 - no Open
373 2.871454078971141 -0.687431 -16.7999 8 15 0 0.00 0.00 - no Open
351 3.435621331133259 -1.1298 -31.8256 8 14 0 0.00 0.00 - no Open
396 3.8141055144953935 -0.961525 -24.1747 8 16 0 0.00 0.00 - no Open
310 4.211492505753235 -0.858106 -20.1831 13 18 0 0.00 0.00 - no Open
441 4.434742941113284 -0.898265 -24.4959 8 15 11 0.52 0.40 - no Current
335 4.486660047343685 -1.08146 -25.0099 10 18 0 0.00 0.00 - no Open
364 4.617676895036009 -0.887025 -22.2533 14 16 0 0.00 0.00 - no Open
369 4.998871688363223 -0.936316 -24.6894 6 15 0 0.00 0.00 - no Open
470 5.42133093270557 -0.784075 -18.4526 11 12 0 0.00 0.00 - no Open
333 5.7276750524644395 -1.05567 -30.4394 16 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 -24.496kcal/mol
Ligand efficiency (LE) -0.8165kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.876
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 403.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.03
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.73kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 96.67kcal/mol
Minimised FF energy 71.94kcal/mol

SASA & burial

✓ computed
SASA (unbound) 680.6Ų
Total solvent-accessible surface area of free ligand
BSA total 543.2Ų
Buried surface area upon binding
BSA apolar 420.6Ų
Hydrophobic contacts buried
BSA polar 122.6Ų
Polar contacts buried
Fraction buried 79.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1600.7Ų
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 624.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)