FAIRMol

Z31408577

Pose ID 4652 Compound 1833 Pose 589

DB fairmolDocking 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 Z31408577
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 strong SASA done
Strain ΔE
15.7 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.74, Jaccard 0.61, H-bond role recall 0.60
Burial
97%
Hydrophobic fit
84%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.191 kcal/mol/HA) ✓ Good fit quality (FQ -11.11) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (97% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Moderate strain (15.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-32.154
kcal/mol
LE
-1.191
kcal/mol/HA
Fit Quality
-11.11
FQ (Leeson)
HAC
27
heavy atoms
MW
405
Da
LogP
3.97
cLogP
Strain ΔE
15.7 kcal/mol
SASA buried
97%
Lipo contact
84% BSA apolar/total
SASA unbound
630 Ų
Apolar buried
514 Ų

Interaction summary

HB 6 HY 24 PI 4 CLASH 1

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

Final rank1.460Score-32.154
Inter norm-1.284Intra norm0.093
Top1000noExcludedno
Contacts18H-bonds6
Artifact reasongeometry warning; 9 clashes; 1 protein clash; 1 cofactor-context clash
Residues
ARG14 ASN175 ASP161 CYS168 LEU208 LEU209 MET163 MET213 NAP301 PHE171 PHE97 PRO167 PRO210 SER207 TRP221 TYR174 VAL164 VAL206

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 overlap14Native recall0.74
Jaccard0.61RMSD-
HB strict2Strict recall0.33
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
589 0.6327951476812925 -0.835771 -19.1893 0 18 0 0.00 0.00 - no Open
589 1.4603448407455772 -1.28409 -32.1541 6 18 14 0.74 0.60 - no Current
603 1.6561189607458788 -0.91201 -22.1367 2 11 0 0.00 0.00 - no Open
604 2.688572672295505 -1.11458 -27.6292 8 21 0 0.00 0.00 - no Open
620 3.9769264438256893 -1.13771 -28.8668 12 17 0 0.00 0.00 - no Open
602 4.470322151092261 -0.896016 -20.3387 7 11 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 -32.154kcal/mol
Ligand efficiency (LE) -1.1909kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.111
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 404.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.97
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -31.02kcal/mol
Minimised FF energy -46.72kcal/mol

SASA & burial

✓ computed
SASA (unbound) 629.5Ų
Total solvent-accessible surface area of free ligand
BSA total 610.6Ų
Buried surface area upon binding
BSA apolar 514.1Ų
Hydrophobic contacts buried
BSA polar 96.5Ų
Polar contacts buried
Fraction buried 97.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1655.9Ų
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 922.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)