FAIRMol

Z235511374

Pose ID 4545 Compound 13 Pose 482

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 Z235511374
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
18.5 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.58, Jaccard 0.48, H-bond role recall 0.40
Burial
96%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.451 kcal/mol/HA) ✓ Good fit quality (FQ -12.59) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Moderate strain (18.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-31.914
kcal/mol
LE
-1.451
kcal/mol/HA
Fit Quality
-12.59
FQ (Leeson)
HAC
22
heavy atoms
MW
331
Da
LogP
3.44
cLogP
Strain ΔE
18.5 kcal/mol
SASA buried
96%
Lipo contact
66% BSA apolar/total
SASA unbound
557 Ų
Apolar buried
355 Ų

Interaction summary

HB 7 HY 24 PI 3 CLASH 3
Final rank2.392Score-31.914
Inter norm-1.536Intra norm0.086
Top1000noExcludedno
Contacts15H-bonds7
Artifact reasongeometry warning; 7 clashes; 2 protein clashes
Residues
ARG14 ASN175 ASP161 CYS168 LEU208 LEU209 MET163 MET213 NAP301 PHE171 PHE97 PRO167 PRO210 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 overlap11Native recall0.58
Jaccard0.48RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue4HB residue recall0.80

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
498 0.277110928238548 -1.1663 -24.1398 5 15 0 0.00 0.00 - no Open
543 0.2814085707376848 -1.28181 -23.8629 6 18 0 0.00 0.00 - no Open
497 0.3261405134134158 -1.12693 -25.036 1 16 0 0.00 0.00 - no Open
523 0.7425493178553388 -1.13066 -24.5514 11 14 0 0.00 0.00 - no Open
523 1.118607833921333 -1.20811 -22.5833 5 14 0 0.00 0.00 - no Open
510 1.3649241206005485 -1.15 -20.093 5 15 0 0.00 0.00 - no Open
488 1.4922564307741122 -1.4707 -26.2212 7 19 0 0.00 0.00 - no Open
560 1.7657177566461795 -1.1595 -25.6991 7 16 0 0.00 0.00 - no Open
505 2.3175673752518597 -0.992997 -20.4526 5 11 0 0.00 0.00 - no Open
482 2.392174964889073 -1.5365 -31.914 7 15 11 0.58 0.40 - no Current
502 2.4832411156841925 -1.46125 -30.4633 8 16 11 0.58 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 -31.914kcal/mol
Ligand efficiency (LE) -1.4506kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.594
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 331.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.44
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.54kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 10.33kcal/mol
Minimised FF energy -8.21kcal/mol

SASA & burial

✓ computed
SASA (unbound) 557.0Ų
Total solvent-accessible surface area of free ligand
BSA total 536.0Ų
Buried surface area upon binding
BSA apolar 355.3Ų
Hydrophobic contacts buried
BSA polar 180.7Ų
Polar contacts buried
Fraction buried 96.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 66.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1496.5Ų
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 927.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)