Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
3D complex viewer
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Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak
SASA cached
Weak or marginal quality
Binding strong
Geometry medium
Native strong
SASA done
Strain ΔE
22.3 kcal/mol
Protein clashes
2
Internal clashes
5
Native overlap
contact recall 0.63, Jaccard 0.63, H-bond role recall 0.40
Reason: no major geometry red flags detected
2 protein-contact clashes
5 intramolecular clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.714 kcal/mol/HA)
✓ Good fit quality (FQ -13.74)
✓ Good H-bonds (4 bonds)
✓ Deep burial (96% SASA buried)
✓ Lipophilic contacts well-matched (80%)
✗ High strain energy (22.3 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (6)
Score
-30.861
kcal/mol
LE
-1.714
kcal/mol/HA
Fit Quality
-13.74
FQ (Leeson)
HAC
18
heavy atoms
MW
311
Da
LogP
1.79
cLogP
Interaction summary
HB 4
HY 16
PI 1
CLASH 5
Interaction summary
HB 4
HY 16
PI 1
CLASH 5
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 rank | 0.648 | Score | -30.861 |
|---|---|---|---|
| Inter norm | -1.670 | Intra norm | -0.045 |
| Top1000 | no | Excluded | no |
| Contacts | 12 | H-bonds | 4 |
| Artifact reason | geometry warning; 6 clashes; 1 protein clash; 4 cofactor-context clashes; moderate strain Δ 22.3 | ||
| Residues |
ARG14
ASP161
GLY205
LEU208
LEU209
NAP301
PHE97
PRO210
SER207
SER95
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 | 12 | Native recall | 0.63 |
| Jaccard | 0.63 | RMSD | - |
| HB strict | 1 | Strict recall | 0.17 |
| HB same residue+role | 2 | HB role recall | 0.40 |
| HB same residue | 2 | HB residue recall | 0.40 |
Protein summary
275 residues
| Protein target | T07 | Atoms | 3932 |
|---|---|---|---|
| Residues | 275 | Chains | 3 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 284 | 0.6483460394172773 | -1.66979 | -30.8611 | 4 | 12 | 12 | 0.63 | 0.40 | - | no | Current |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-30.861kcal/mol
Ligand efficiency (LE)
-1.7145kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-13.740
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
18HA
Physicochemical properties
Molecular weight
311.2Da
Lipinski: ≤ 500 Da
LogP (cLogP)
1.79
Lipinski: ≤ 5
Rotatable bonds
3
Conformational strain (MMFF94s)
Strain energy (ΔE)
22.28kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
-121.33kcal/mol
Minimised FF energy
-143.61kcal/mol
SASA & burial
✓ computed
SASA (unbound)
459.6Ų
Total solvent-accessible surface area of free ligand
BSA total
439.4Ų
Buried surface area upon binding
BSA apolar
352.3Ų
Hydrophobic contacts buried
BSA polar
87.1Ų
Polar contacts buried
Fraction buried
95.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
80.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1493.6Ų
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
918.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)