FAIRMol

Z30000990

Pose ID 10040 Compound 3814 Pose 554

DB SELECTIONDocking 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 Z30000990
PDB9IFF

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native strong SASA done
Strain ΔE
18.3 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.85, Jaccard 0.61
Burial
66%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.692 kcal/mol/HA) ✓ Good fit quality (FQ -6.97) ✓ Good H-bonds (4 bonds) ✓ Deep burial (66% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Moderate strain (18.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-24.202
kcal/mol
LE
-0.692
kcal/mol/HA
Fit Quality
-6.97
FQ (Leeson)
HAC
35
heavy atoms
MW
490
Da
LogP
3.21
cLogP
Strain ΔE
18.3 kcal/mol
SASA buried
66%
Lipo contact
80% BSA apolar/total
SASA unbound
767 Ų
Apolar buried
401 Ų

Interaction summary

HB 4 HY 24 PI 1 CLASH 2
Final rank3.034Score-24.202
Inter norm-0.677Intra norm-0.015
Top1000noExcludedno
Contacts16H-bonds4
Artifact reasongeometry warning; 17 clashes; 1 protein clash
Residues
ALA209 ALA67 ALA90 ARG74 GLY214 GLY215 GLY66 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 TYR210 TYR69 VAL88

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

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 overlap11Native recall0.85
Jaccard0.61RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

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
528 2.1387138988154137 -0.609177 -24.6017 5 16 0 0.00 - - no Open
554 3.0340948021098755 -0.676873 -24.202 4 16 11 0.85 - - no Current
502 4.044125737962072 -0.738563 -24.401 3 13 0 0.00 - - no Open
501 4.125457344917445 -0.9198 -33.5948 10 19 0 0.00 - - no Open
481 4.413251044837232 -0.98789 -30.3095 5 22 0 0.00 - - no Open
500 4.744143382506253 -0.613518 -18.2226 5 14 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 -24.202kcal/mol
Ligand efficiency (LE) -0.6915kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.975
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 489.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.21
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.34kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 34.58kcal/mol
Minimised FF energy 16.24kcal/mol

SASA & burial

✓ computed
SASA (unbound) 767.3Ų
Total solvent-accessible surface area of free ligand
BSA total 502.9Ų
Buried surface area upon binding
BSA apolar 400.9Ų
Hydrophobic contacts buried
BSA polar 102.0Ų
Polar contacts buried
Fraction buried 65.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3089.7Ų
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 1533.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)