FAIRMol

Z53787229

Pose ID 4678 Compound 727 Pose 615

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 Z53787229
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 medium Native strong SASA done
Strain ΔE
16.9 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.58, Jaccard 0.48, H-bond role recall 0.40
Burial
98%
Hydrophobic fit
85%
Reason: no major geometry red flags detected
3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.301 kcal/mol/HA) ✓ Good fit quality (FQ -11.48) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (98% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Moderate strain (16.9 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Internal clashes (6)
Score
-29.916
kcal/mol
LE
-1.301
kcal/mol/HA
Fit Quality
-11.48
FQ (Leeson)
HAC
23
heavy atoms
MW
321
Da
LogP
4.33
cLogP
Strain ΔE
16.9 kcal/mol
SASA buried
98%
Lipo contact
85% BSA apolar/total
SASA unbound
560 Ų
Apolar buried
464 Ų

Interaction summary

HB 7 HY 24 PI 4 CLASH 4
Final rank-0.139Score-29.916
Inter norm-1.368Intra norm0.067
Top1000noExcludedno
Contacts15H-bonds7
Artifact reasongeometry warning; 6 clashes; 3 protein contact clashes; 2 cofactor-context clashes
Residues
ARG14 ASN175 ASP161 CYS168 LEU208 LEU209 MET163 NAP301 PHE171 PHE97 PRO167 PRO210 TYR174 VAL164 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 overlap11Native recall0.58
Jaccard0.48RMSD-
HB strict1Strict recall0.17
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
615 -0.13877304892115455 -1.36777 -29.9163 7 15 11 0.58 0.40 - no Current
612 0.9861117454075027 -1.15345 -24.7877 1 16 0 0.00 0.00 - no Open
609 1.3417724214874878 -1.08259 -22.7462 2 15 0 0.00 0.00 - no Open
626 1.6399470227938397 -0.910209 -17.2005 5 14 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 -29.916kcal/mol
Ligand efficiency (LE) -1.3007kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.480
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 321.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.33
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.85kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 55.78kcal/mol
Minimised FF energy 38.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 559.5Ų
Total solvent-accessible surface area of free ligand
BSA total 548.1Ų
Buried surface area upon binding
BSA apolar 464.4Ų
Hydrophobic contacts buried
BSA polar 83.7Ų
Polar contacts buried
Fraction buried 98.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1599.5Ų
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 925.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)