FAIRMol

Z57199209

Pose ID 4587 Compound 2669 Pose 524

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 Z57199209
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 mixed SASA done
Strain ΔE
7.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.53, Jaccard 0.43, H-bond role recall 0.40
Burial
95%
Hydrophobic fit
87%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Low conformational strain (7.9 kcal/mol) ✓ Excellent LE (-1.444 kcal/mol/HA) ✓ Good fit quality (FQ -12.09) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Internal clashes (7)
Score
-28.882
kcal/mol
LE
-1.444
kcal/mol/HA
Fit Quality
-12.09
FQ (Leeson)
HAC
20
heavy atoms
MW
266
Da
LogP
2.44
cLogP
Strain ΔE
7.9 kcal/mol
SASA buried
95%
Lipo contact
87% BSA apolar/total
SASA unbound
518 Ų
Apolar buried
429 Ų

Interaction summary

HB 6 HY 24 PI 3 CLASH 2
Final rank-0.356Score-28.882
Inter norm-1.675Intra norm0.231
Top1000noExcludedno
Contacts14H-bonds6
Artifact reasongeometry warning; 7 clashes; 3 protein contact clashes; 2 cofactor-context clashes
Residues
ARG14 ASN175 ASP161 CYS168 LEU208 LYS178 MET163 NAP301 PHE171 PHE97 PRO167 SER95 TYR174 VAL164

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 overlap10Native recall0.53
Jaccard0.43RMSD-
HB strict3Strict recall0.50
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

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
524 -0.3557616634363497 -1.67492 -28.8823 6 14 10 0.53 0.40 - no Current
532 -0.12275850200852292 -1.58658 -27.334 4 14 10 0.53 0.40 - 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 -28.882kcal/mol
Ligand efficiency (LE) -1.4441kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.085
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 20HA

Physicochemical properties

Molecular weight 266.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.44
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 7.87kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 6.57kcal/mol
Minimised FF energy -1.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 518.4Ų
Total solvent-accessible surface area of free ligand
BSA total 494.6Ų
Buried surface area upon binding
BSA apolar 429.1Ų
Hydrophobic contacts buried
BSA polar 65.6Ų
Polar contacts buried
Fraction buried 95.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1553.5Ų
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 937.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)