FAIRMol

OHD_TB2020_44

Pose ID 2748 Compound 2081 Pose 38

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T05
L. major PTR1 L. major
Ligand OHD_TB2020_44
PDB7PXX

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
51.1 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.59, Jaccard 0.50, H-bond role recall 0.33
Burial
75%
Hydrophobic fit
94%
Reason: strain 51.1 kcal/mol
strain ΔE 51.1 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.691 kcal/mol/HA) ✓ Good fit quality (FQ -7.12) ✓ Good H-bonds (4 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (94%) ✗ Extreme strain energy (51.1 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Many internal clashes (16)
Score
-26.258
kcal/mol
LE
-0.691
kcal/mol/HA
Fit Quality
-7.12
FQ (Leeson)
HAC
38
heavy atoms
MW
508
Da
LogP
2.47
cLogP
Strain ΔE
51.1 kcal/mol
SASA buried
75%
Lipo contact
94% BSA apolar/total
SASA unbound
851 Ų
Apolar buried
605 Ų

Interaction summary

HB 4 HY 24 PI 4 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 rank1.687Score-26.258
Inter norm-0.757Intra norm0.066
Top1000noExcludedno
Contacts13H-bonds4
Artifact reasongeometry warning; 16 clashes; 4 protein contact clashes; high strain Δ 51.1
Residues
ARG17 ASP181 HIS241 LEU188 LEU229 MET233 NDP302 PHE113 TYR114 TYR191 TYR194 VAL230 VAL237

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameligandContacts17
PoseOpen native poseHB0
IFP residues
ARG17 GLY225 HIS241 LEU188 LEU226 LEU229 LYS198 MET233 NDP302 PHE113 PRO115 SER111 SER227 TYR191 TYR194 VAL230 ARG287
Current overlap10Native recall0.59
Jaccard0.50RMSD-
HB strict2Strict recall0.29
HB same residue+role2HB role recall0.33
HB same residue2HB residue recall0.40

Protein summary

274 residues
Protein targetT05Atoms4108
Residues274Chains2
Residue summaryLEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108

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:NDP302

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
55 1.1309237672521895 -0.946794 -33.107 12 19 0 0.00 0.00 - no Open
38 1.6874363656426687 -0.757076 -26.2584 4 13 10 0.59 0.33 - no Current
45 1.7705913919027843 -0.7294 -25.5678 2 19 0 0.00 0.00 - no Open
42 2.4406726172543074 -0.85533 -28.6024 3 15 0 0.00 0.00 - no Open
37 3.018866426350658 -0.702682 -22.4896 2 17 0 0.00 0.00 - no Open
55 3.3356888117292276 -0.585751 -14.2121 6 17 0 0.00 0.00 - no Open
41 3.7801042212216704 -0.707759 -21.7123 9 13 0 0.00 0.00 - no Open
56 4.128074887285989 -0.563627 -17.0404 6 12 0 0.00 0.00 - no Open
24 4.331773379453936 -0.787254 -25.522 7 20 0 0.00 0.00 - no Open
25 4.946037833206474 -0.822365 -28.2458 9 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 -26.258kcal/mol
Ligand efficiency (LE) -0.6910kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.124
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 38HA

Physicochemical properties

Molecular weight 507.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.47
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 51.09kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 139.22kcal/mol
Minimised FF energy 88.13kcal/mol

SASA & burial

✓ computed
SASA (unbound) 851.4Ų
Total solvent-accessible surface area of free ligand
BSA total 640.9Ų
Buried surface area upon binding
BSA apolar 604.7Ų
Hydrophobic contacts buried
BSA polar 36.2Ų
Polar contacts buried
Fraction buried 75.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 94.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1932.2Ų
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 2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1036.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)