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
Weak or marginal quality
Binding strong
Geometry medium
Native mixed
SASA done
Strain ΔE
25.8 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.52, Jaccard 0.39, H-bond role recall 0.27
Reason: no major geometry red flags detected
3 protein-contact clashes
3 intramolecular clashes
79% of hydrophobic surface is solvent-exposed (15/19 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.072 kcal/mol/HA)
✓ Good fit quality (FQ -9.87)
✓ Good H-bonds (4 bonds)
✓ Deep burial (92% SASA buried)
✓ Lipophilic contacts well-matched (76%)
✗ High strain energy (25.8 kcal/mol)
✗ Geometry warnings
✗ Many internal clashes (10)
Score
-27.863
kcal/mol
LE
-1.072
kcal/mol/HA
Fit Quality
-9.87
FQ (Leeson)
HAC
26
heavy atoms
MW
352
Da
LogP
2.14
cLogP
Final rank
2.6661
rank score
Inter norm
-1.167
normalised
Contacts
18
H-bonds 7
Interaction summary
HBA 4
HY 2
PI 0
CLASH 3
Interaction summary
HBA 4
HY 2
PI 0
CLASH 3
HBD/HBA · H-bonds (geometric)
HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 2.
PI · π–π interactions
No pi · π–π interactions detected for this pose.
HY · Hydrophobic contacts
CLASH · Clashes
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | RAB5A | Contacts | 21 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA158
ALA24
ALA40
ASN126
ASN41
ASP129
GLN42
GLU21
GLU73
GLY23
GLY25
LEU130
LEU39
LYS127
LYS159
LYS26
PHE38
SER157
SER22
SER27
SER28
| ||
| Current overlap | 11 | Native recall | 0.52 |
| Jaccard | 0.39 | RMSD | - |
| HB strict | 4 | Strict recall | 0.27 |
| HB same residue+role | 3 | HB role recall | 0.27 |
| HB same residue | 3 | HB residue recall | 0.27 |
Protein summary
165 residues
| Protein target | T22 | Atoms | 2561 |
|---|---|---|---|
| Residues | 165 | Chains | 1 |
| Residue summary | LEU:363; LYS:242; ALA:231; ARG:214; ILE:190; GLU:180; VAL:144; SER:143; PHE:140; ASN:112; THR:112; TYR:105; GLN:102; ASP:96; GLY:77; TRP:48 | ||
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 379 | 0.8422530037345952 | -1.31491 | -33.4974 | 7 | 9 | 0 | 0.00 | 0.00 | - | no | Open |
| 340 | 1.868498018507095 | -1.27 | -30.9336 | 7 | 13 | 0 | 0.00 | 0.00 | - | no | Open |
| 360 | 2.6660800097087356 | -1.16704 | -27.863 | 7 | 18 | 11 | 0.52 | 0.27 | - | no | Current |
| 360 | 2.700903563559829 | -0.962387 | -20.9719 | 4 | 17 | 0 | 0.00 | 0.00 | - | no | Open |
| 358 | 4.4021925869688685 | -1.27485 | -30.3383 | 9 | 17 | 0 | 0.00 | 0.00 | - | no | Open |
| 369 | 4.9758387834642095 | -0.874752 | -21.2001 | 5 | 10 | 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
-27.863kcal/mol
Ligand efficiency (LE)
-1.0717kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-9.873
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
26HA
Physicochemical properties
Molecular weight
352.3Da
Lipinski: ≤ 500 Da
LogP (cLogP)
2.14
Lipinski: ≤ 5
Rotatable bonds
4
Conformational strain (MMFF94s)
Strain energy (ΔE)
25.75kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
59.23kcal/mol
Minimised FF energy
33.47kcal/mol
SASA & burial
✓ computed
SASA (unbound)
580.0Ų
Total solvent-accessible surface area of free ligand
BSA total
536.6Ų
Buried surface area upon binding
BSA apolar
407.3Ų
Hydrophobic contacts buried
BSA polar
129.3Ų
Polar contacts buried
Fraction buried
92.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
75.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1331.5Ų
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
1368.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
485.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)