Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
3D complex viewer
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak
SASA cached
Promising but geometrically suspicious
Binding strong
Geometry low
Native strong
SASA done
Strain ΔE
32.1 kcal/mol
Protein clashes
0
Internal clashes
10
Native overlap
contact recall 0.58, Jaccard 0.52, H-bond role recall 0.20
Reason: 10 internal clashes
10 intramolecular clashes
35% of hydrophobic surface appears solvent-exposed (7/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.997 kcal/mol/HA)
✓ Good fit quality (FQ -9.71)
✓ Strong H-bond network (6 bonds)
✓ Deep burial (87% SASA buried)
✓ Lipophilic contacts well-matched (68%)
✗ Very high strain energy (32.1 kcal/mol)
✗ Geometry warnings
✗ Many internal clashes (10)
Score
-30.904
kcal/mol
LE
-0.997
kcal/mol/HA
Fit Quality
-9.71
FQ (Leeson)
HAC
31
heavy atoms
MW
449
Da
LogP
0.91
cLogP
Interaction summary
HB 6
HY 17
PI 2
CLASH 0
⚠ Exposure 35%
Interaction summary
HB 6
HY 17
PI 2
CLASH 0
⚠ Exposure 35%
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
No clash · clashes detected for this pose.
Partial hydrophobic solvent exposure
35% of hydrophobic surface appears solvent-exposed (7/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 20
Buried (contacted) 13
Exposed 7
LogP 0.91
H-bonds 6
Exposed fragments:
phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
| Final rank | 0.058 | Score | -30.904 |
|---|---|---|---|
| Inter norm | -1.055 | Intra norm | 0.058 |
| Top1000 | no | Excluded | no |
| Contacts | 13 | H-bonds | 6 |
| Artifact reason | geometry warning; 10 clashes; 2 severe cofactor-context clashes; moderate strain Δ 28.7 | ||
| Residues |
ARG14
ASP161
CYS168
GLY205
LEU209
LYS13
MET163
NAP301
PHE97
PRO210
TRP221
TYR174
VAL206
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | TbPTR1_cW_6RX6_Ready | Contacts | 19 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ARG14
ASP161
CYS168
GLY205
LEU208
LEU209
LYS178
MET213
NAP301
PHE171
PHE97
PRO210
PRO99
SER207
SER95
TRP221
TYR174
TYR98
VAL206
| ||
| Current overlap | 11 | Native recall | 0.58 |
| Jaccard | 0.52 | RMSD | - |
| HB strict | 1 | Strict recall | 0.17 |
| HB same residue+role | 1 | HB role recall | 0.20 |
| HB same residue | 1 | HB residue recall | 0.20 |
Protein summary
258 residues
| Protein target | T08 | Atoms | 3881 |
|---|---|---|---|
| Residues | 258 | Chains | 2 |
| Residue summary | LEU: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
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 633 | 0.05829920103739172 | -1.0551 | -30.9043 | 6 | 13 | 11 | 0.58 | 0.20 | - | no | Current |
| 651 | 1.4156605545140337 | -1.40297 | -43.3583 | 15 | 18 | 16 | 0.84 | 0.60 | - | no | Open |
| 631 | 2.4700797108431822 | -0.817046 | -22.4274 | 2 | 16 | 0 | 0.00 | 0.00 | - | no | Open |
| 651 | 2.6241796803607684 | -0.861067 | -23.541 | 5 | 15 | 0 | 0.00 | 0.00 | - | no | Open |
| 641 | 2.867756166472061 | -0.918058 | -26.7937 | 7 | 12 | 0 | 0.00 | 0.00 | - | no | Open |
| 637 | 3.275743878737262 | -0.87096 | -22.8257 | 9 | 13 | 0 | 0.00 | 0.00 | - | no | Open |
| 650 | 3.2986306516203525 | -1.05149 | -29.1371 | 15 | 12 | 0 | 0.00 | 0.00 | - | no | Open |
| 628 | 4.031122152407257 | -0.781668 | -24.4719 | 5 | 16 | 0 | 0.00 | 0.00 | - | no | Open |
| 645 | 4.500872485938668 | -0.819792 | -23.1151 | 6 | 16 | 0 | 0.00 | 0.00 | - | no | Open |
| 651 | 4.7722691848813374 | -1.01921 | -26.299 | 12 | 18 | 0 | 0.00 | 0.00 | - | no | Open |
| 640 | 4.779003355861554 | -1.06227 | -31.24 | 16 | 18 | 0 | 0.00 | 0.00 | - | no | Open |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-30.904kcal/mol
Ligand efficiency (LE)
-0.9969kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-9.712
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
31HA
Physicochemical properties
Molecular weight
449.5Da
Lipinski: ≤ 500 Da
LogP (cLogP)
0.91
Lipinski: ≤ 5
Rotatable bonds
9
Conformational strain (MMFF94s)
Strain energy (ΔE)
32.14kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
77.16kcal/mol
Minimised FF energy
45.02kcal/mol
SASA & burial
✓ computed
SASA (unbound)
707.1Ų
Total solvent-accessible surface area of free ligand
BSA total
617.6Ų
Buried surface area upon binding
BSA apolar
416.7Ų
Hydrophobic contacts buried
BSA polar
201.0Ų
Polar contacts buried
Fraction buried
87.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
67.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1612.5Ų
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
933.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)