FAIRMol

OHD_TB2021_1

Pose ID 4107 Compound 2832 Pose 44

DB SELECTIONDocking 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_TB2021_1
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
13.5 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.74, Jaccard 0.67, H-bond role recall 0.40
Burial
92%
Hydrophobic fit
96%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.110 kcal/mol/HA) ✓ Good fit quality (FQ -9.79) ✓ Good H-bonds (3 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (96%) ✗ Moderate strain (13.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-25.521
kcal/mol
LE
-1.110
kcal/mol/HA
Fit Quality
-9.79
FQ (Leeson)
HAC
23
heavy atoms
MW
352
Da
LogP
3.44
cLogP
Strain ΔE
13.5 kcal/mol
SASA buried
92%
Lipo contact
96% BSA apolar/total
SASA unbound
583 Ų
Apolar buried
516 Ų

Interaction summary

HB 3 HY 24 PI 2 CLASH 2
Final rank1.258Score-25.521
Inter norm-1.315Intra norm0.205
Top1000noExcludedno
Contacts16H-bonds3
Artifact reasongeometry warning; 6 clashes; 1 protein clash; 2 cofactor-context clashes
Residues
ARG14 CYS168 GLY205 LEU208 LEU209 LEU263 MET163 MET213 NAP301 PHE171 PHE97 PRO210 SER207 TRP221 TYR174 VAL206

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

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 overlap14Native recall0.74
Jaccard0.67RMSD-
HB strict1Strict recall0.17
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
59 0.8921767322940735 -0.970894 -19.4822 5 10 0 0.00 0.00 - no Open
44 1.2577682261328782 -1.3146 -25.5212 3 16 14 0.74 0.40 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -25.521kcal/mol
Ligand efficiency (LE) -1.1096kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.793
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 352.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.44
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.48kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 64.64kcal/mol
Minimised FF energy 51.16kcal/mol

SASA & burial

✓ computed
SASA (unbound) 583.4Ų
Total solvent-accessible surface area of free ligand
BSA total 538.2Ų
Buried surface area upon binding
BSA apolar 515.9Ų
Hydrophobic contacts buried
BSA polar 22.3Ų
Polar contacts buried
Fraction buried 92.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 95.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1680.8Ų
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 931.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)