FAIRMol

OHD_TbNat_2

Pose ID 90 Compound 603 Pose 90

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_TbNat_2
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 mixed SASA done
Strain ΔE
14.4 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.43, Jaccard 0.36, H-bond role recall 0.20
Burial
85%
Hydrophobic fit
78%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.892 kcal/mol/HA) ✓ Good fit quality (FQ -8.11) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Moderate strain (14.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-22.311
kcal/mol
LE
-0.892
kcal/mol/HA
Fit Quality
-8.11
FQ (Leeson)
HAC
25
heavy atoms
MW
340
Da
LogP
3.91
cLogP
Strain ΔE
14.4 kcal/mol
SASA buried
85%
Lipo contact
78% BSA apolar/total
SASA unbound
619 Ų
Apolar buried
409 Ų

Interaction summary

HB 6 HY 24 PI 1 CLASH 3
Final rank3.721Score-22.311
Inter norm-1.019Intra norm0.127
Top1000noExcludedno
Contacts13H-bonds6
Artifact reasongeometry warning; 8 clashes; 3 protein clashes; 1 cofactor-context clash
Residues
ALA10 ARG29 GLN36 GLU31 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 SER60 THR57 TRP25

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 overlap9Native recall0.43
Jaccard0.36RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
66 0.8305093453479375 -0.860099 -15.002 6 19 0 0.00 0.00 - no Open
74 2.1373659912864653 -0.970433 -20.7683 6 16 0 0.00 0.00 - no Open
29 2.600107939307177 -1.01846 -24.5258 11 15 0 0.00 0.00 - no Open
65 2.6022736026417634 -0.939392 -18.7025 3 14 0 0.00 0.00 - no Open
54 3.0349276914671437 -1.1562 -26.1336 11 17 0 0.00 0.00 - no Open
43 3.222270151018671 -1.10798 -20.2889 10 16 0 0.00 0.00 - no Open
79 3.5206894931967216 -1.022 -18.8867 8 13 0 0.00 0.00 - no Open
90 3.7209462673393525 -1.01938 -22.3114 6 13 9 0.43 0.20 - no Current
64 4.14130884921673 -1.0316 -21.4621 9 18 0 0.00 0.00 - no Open
77 4.326743905642506 -0.753896 -17.6426 7 12 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 -22.311kcal/mol
Ligand efficiency (LE) -0.8925kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.113
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 340.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.91
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 74.76kcal/mol
Minimised FF energy 60.32kcal/mol

SASA & burial

✓ computed
SASA (unbound) 618.7Ų
Total solvent-accessible surface area of free ligand
BSA total 523.6Ų
Buried surface area upon binding
BSA apolar 409.1Ų
Hydrophobic contacts buried
BSA polar 114.6Ų
Polar contacts buried
Fraction buried 84.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1557.1Ų
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 614.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)