FAIRMol

NMT-TY0538

Pose ID 5012 Compound 559 Pose 271

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
T. brucei PTR1 T. brucei
Ligand NMT-TY0538
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
86.6 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.47, Jaccard 0.43, H-bond role recall 0.80
Burial
74%
Hydrophobic fit
65%
Reason: strain 86.6 kcal/mol
strain ΔE 86.6 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.309 kcal/mol/HA) ✓ Good fit quality (FQ -12.06) ✓ Strong H-bond network (14 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (65%) ✗ Extreme strain energy (86.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-34.042
kcal/mol
LE
-1.309
kcal/mol/HA
Fit Quality
-12.06
FQ (Leeson)
HAC
26
heavy atoms
MW
384
Da
LogP
-0.80
cLogP
Strain ΔE
86.6 kcal/mol
SASA buried
74%
Lipo contact
65% BSA apolar/total
SASA unbound
608 Ų
Apolar buried
291 Ų

Interaction summary

HB 14 HY 17 PI 1 CLASH 2

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 rank1.653Score-34.042
Inter norm-1.298Intra norm-0.012
Top1000noExcludedno
Contacts11H-bonds14
Artifact reasongeometry warning; 9 clashes; 1 protein clash; 1 severe cofactor-context clash; high strain Δ 76.5
Residues
ALA212 ARG14 ASP161 LEU208 LEU209 NAP301 PHE97 PRO210 SER95 TYR174 VAL211

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 overlap9Native recall0.47
Jaccard0.43RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
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
271 1.6528020699289674 -1.29753 -34.042 14 11 9 0.47 0.80 - no Current
302 2.472919045471489 -0.807873 -21.3923 10 13 0 0.00 0.00 - no Open
281 2.9754117982618444 -0.938463 -24.1977 7 15 0 0.00 0.00 - no Open
282 3.017829738133311 -0.942835 -21.7107 7 21 0 0.00 0.00 - no Open
350 3.2752153940912483 -1.04743 -27.8586 15 17 0 0.00 0.00 - no Open
338 7.020508622022062 -1.0025 -25.8204 15 22 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 -34.042kcal/mol
Ligand efficiency (LE) -1.3093kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.063
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 384.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.80
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 86.64kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 32.04kcal/mol
Minimised FF energy -54.59kcal/mol

SASA & burial

✓ computed
SASA (unbound) 608.2Ų
Total solvent-accessible surface area of free ligand
BSA total 450.5Ų
Buried surface area upon binding
BSA apolar 290.9Ų
Hydrophobic contacts buried
BSA polar 159.6Ų
Polar contacts buried
Fraction buried 74.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1479.3Ų
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 950.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)