FAIRMol

NMT-TY0549

Pose ID 5017 Compound 411 Pose 276

DB SELECTIONDocking 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-TY0549
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
69.4 kcal/mol
Protein clashes
3
Internal clashes
6
Native overlap
contact recall 0.79, Jaccard 0.60, H-bond role recall 0.80
Burial
98%
Hydrophobic fit
64%
Reason: 6 internal clashes, strain 69.4 kcal/mol
strain ΔE 69.4 kcal/mol 3 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.278 kcal/mol/HA) ✓ Good fit quality (FQ -11.92) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (98% SASA buried) ✓ Lipophilic contacts well-matched (64%) ✗ Extreme strain energy (69.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-34.500
kcal/mol
LE
-1.278
kcal/mol/HA
Fit Quality
-11.92
FQ (Leeson)
HAC
27
heavy atoms
MW
395
Da
LogP
-0.35
cLogP
Strain ΔE
69.4 kcal/mol
SASA buried
98%
Lipo contact
64% BSA apolar/total
SASA unbound
618 Ų
Apolar buried
390 Ų

Interaction summary

HB 16 HY 24 PI 2 CLASH 6
Final rank2.464Score-34.500
Inter norm-1.239Intra norm-0.039
Top1000noExcludedno
Contacts21H-bonds16
Artifact reasongeometry warning; 8 clashes; 1 protein clash; 1 severe cofactor-context clash; high strain Δ 69.4
Residues
ALA96 ARG14 ASN175 ASP161 CYS168 GLN166 GLY205 LEU208 LEU209 LYS178 MET163 NAP301 PHE97 PRO167 PRO210 SER207 SER95 TRP221 TYR174 VAL164 VAL206

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

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 overlap15Native recall0.79
Jaccard0.60RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
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
263 1.9619591920682486 -1.07778 -26.3261 11 17 0 0.00 0.00 - no Open
307 1.973236208634677 -0.911074 -24.9818 7 15 0 0.00 0.00 - no Open
270 2.217204642698369 -1.21946 -32.7493 11 15 0 0.00 0.00 - no Open
352 2.4054056429997805 -0.963314 -22.8123 12 19 0 0.00 0.00 - no Open
276 2.4644015191207718 -1.23884 -34.4996 16 21 15 0.79 0.80 - no Current
287 2.4692123455684767 -0.887788 -22.8583 6 18 0 0.00 0.00 - no Open
293 2.5523531210354715 -1.25212 -32.8271 13 20 14 0.74 1.00 - no Open
264 3.2494165124044274 -1.31147 -36.2843 14 18 0 0.00 0.00 - no Open
377 3.300748553183803 -0.898096 -26.0956 7 13 0 0.00 0.00 - no Open
324 3.301523972802756 -0.915736 -26.3877 13 13 0 0.00 0.00 - no Open
239 4.313905727494139 -1.00534 -29.1414 16 16 0 0.00 0.00 - no Open
273 4.418567444093437 -1.2144 -31.3287 15 26 0 0.00 0.00 - no Open
284 4.844348523444292 -1.06372 -30.1625 10 15 0 0.00 0.00 - no Open
250 4.926468000366607 -1.2862 -36.0618 15 17 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 -34.500kcal/mol
Ligand efficiency (LE) -1.2778kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.921
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 395.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.35
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 69.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -50.16kcal/mol
Minimised FF energy -119.61kcal/mol

SASA & burial

✓ computed
SASA (unbound) 618.5Ų
Total solvent-accessible surface area of free ligand
BSA total 605.5Ų
Buried surface area upon binding
BSA apolar 390.5Ų
Hydrophobic contacts buried
BSA polar 214.9Ų
Polar contacts buried
Fraction buried 97.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1525.8Ų
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 918.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)