FAIRMol

OHD_TB2021_30

Pose ID 9535 Compound 2957 Pose 49

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T15
T. brucei TR (Dimer cleft site) T. brucei Dimer cleft site
Ligand OHD_TB2021_30
PDB9IFF

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
19.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.77, Jaccard 0.56
Burial
72%
Hydrophobic fit
85%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.924 kcal/mol/HA) ✓ Good fit quality (FQ -8.16) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Moderate strain (19.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-21.255
kcal/mol
LE
-0.924
kcal/mol/HA
Fit Quality
-8.16
FQ (Leeson)
HAC
23
heavy atoms
MW
304
Da
LogP
0.68
cLogP
Strain ΔE
19.4 kcal/mol
SASA buried
72%
Lipo contact
85% BSA apolar/total
SASA unbound
552 Ų
Apolar buried
340 Ų

Interaction summary

HB 6 HY 23 PI 0 CLASH 1

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Final rank1.712Score-21.255
Inter norm-1.071Intra norm0.147
Top1000noExcludedno
Contacts15H-bonds6
Artifact reasongeometry warning; 9 clashes; 1 protein clash
Residues
ALA209 ALA67 ALA90 ASN208 GLY214 GLY215 GLY66 LEU73 LYS211 MET70 PRO212 PRO213 TYR210 TYR69 VAL88

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFFContacts13
PoseOpen native poseHB0
IFP residues
ALA209 ARG74 ASN208 GLY214 GLY215 GLY85 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 VAL88
Current overlap10Native recall0.77
Jaccard0.56RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

Protein summary

489 residues
Protein targetT15Atoms7420
Residues489Chains1
Residue summaryVAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:264; MET:204

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
60 0.046746216921269436 -1.41246 -31.6051 6 12 0 0.00 - - no Open
49 1.712367527102259 -1.07079 -21.2545 6 15 10 0.77 - - no Current
60 2.2584766218910373 -0.844071 -21.1102 5 10 0 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 -21.255kcal/mol
Ligand efficiency (LE) -0.9241kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.156
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 304.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.68
Lipinski: ≤ 5
Rotatable bonds 2

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.42kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -47.80kcal/mol
Minimised FF energy -67.22kcal/mol

SASA & burial

✓ computed
SASA (unbound) 552.1Ų
Total solvent-accessible surface area of free ligand
BSA total 398.8Ų
Buried surface area upon binding
BSA apolar 340.4Ų
Hydrophobic contacts buried
BSA polar 58.4Ų
Polar contacts buried
Fraction buried 72.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2957.0Ų
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 4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1538.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)