FAIRMol

OHD_TbNat_134

Pose ID 4138 Compound 1910 Pose 75

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand OHD_TbNat_134
PDB6RX6

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
8.3 kcal/mol
Protein clashes
3
Internal clashes
2
Native overlap
contact recall 0.68, Jaccard 0.62, H-bond role recall 0.60
Burial
97%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
3 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.642 kcal/mol/HA) ✓ Good fit quality (FQ -14.01) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (97% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Moderate strain (8.3 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Internal clashes (8)
Score
-34.486
kcal/mol
LE
-1.642
kcal/mol/HA
Fit Quality
-14.01
FQ (Leeson)
HAC
21
heavy atoms
MW
286
Da
LogP
1.09
cLogP
Strain ΔE
8.3 kcal/mol
SASA buried
97%
Lipo contact
66% BSA apolar/total
SASA unbound
486 Ų
Apolar buried
312 Ų

Interaction summary

HB 9 HY 24 PI 1 CLASH 2

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 rank-0.188Score-34.486
Inter norm-1.674Intra norm0.032
Top1000noExcludedno
Contacts15H-bonds9
Artifact reasongeometry warning; 8 clashes; 3 protein contact clashes; 2 severe cofactor-context clashes
Residues
ARG14 ASP161 CYS168 LEU208 LEU209 LEU263 LYS178 MET163 MET213 NAP301 PHE97 PRO210 TRP221 TYR174 VAL206

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap13Native recall0.68
Jaccard0.62RMSD-
HB strict4Strict recall0.67
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

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:NAP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
75 -0.18772052928976135 -1.67402 -34.4856 9 15 13 0.68 0.60 - no Current
87 1.0348770914528322 -1.69392 -30.7065 8 14 12 0.63 0.40 - no Open
57 1.627289209155493 -1.37907 -27.2207 7 15 0 0.00 0.00 - no Open
45 2.59172040695213 -1.24871 -24.0985 5 10 0 0.00 0.00 - no Open
67 3.8837927447896012 -1.2417 -24.3403 9 13 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 -34.486kcal/mol
Ligand efficiency (LE) -1.6422kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -14.007
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 286.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.09
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 8.28kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 59.08kcal/mol
Minimised FF energy 50.80kcal/mol

SASA & burial

✓ computed
SASA (unbound) 485.8Ų
Total solvent-accessible surface area of free ligand
BSA total 470.8Ų
Buried surface area upon binding
BSA apolar 311.7Ų
Hydrophobic contacts buried
BSA polar 159.1Ų
Polar contacts buried
Fraction buried 96.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 66.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1456.9Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 915.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)