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
Promising
SASA cached
Promising and worth follow-up
Binding strong
Geometry high
Native strong
SASA done
Strain ΔE
17.0 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.95, Jaccard 0.87, H-bond role recall 0.45
Reason: no major geometry red flags detected
2 protein-contact clashes
62% of hydrophobic surface is solvent-exposed (10/16 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
Promising
Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.381 kcal/mol/HA)
✓ Good fit quality (FQ -11.99)
✓ Strong H-bond network (9 bonds)
✓ Deep burial (90% SASA buried)
✓ Lipophilic contacts well-matched (79%)
✗ Moderate strain (17.0 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (9)
Score
-30.374
kcal/mol
LE
-1.381
kcal/mol/HA
Fit Quality
-11.99
FQ (Leeson)
HAC
22
heavy atoms
MW
321
Da
LogP
0.65
cLogP
Final rank
5.3882
rank score
Inter norm
-1.567
normalised
Contacts
22
H-bonds 11
Interaction summary
HBD 2
HBA 7
HY 1
PI 1
CLASH 2
Interaction summary
HBD 2
HBA 7
HY 1
PI 1
CLASH 2
HBD/HBA · H-bonds (geometric)
HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 7.
PI · π–π interactions
Native π–π recall is disabled because no explicit native π–π reference was stored.
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 | 20 | Native recall | 0.95 |
| Jaccard | 0.87 | RMSD | - |
| HB strict | 7 | Strict recall | 0.47 |
| HB same residue+role | 5 | HB role recall | 0.45 |
| HB same residue | 5 | HB residue recall | 0.45 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 214 | 2.0995775390968294 | -1.13876 | -21.2011 | 3 | 17 | 1 | 0.05 | 0.00 | - | no | Open |
| 205 | 5.388152687760887 | -1.56693 | -30.3741 | 11 | 22 | 20 | 0.95 | 0.45 | - | no | Current |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-30.374kcal/mol
Ligand efficiency (LE)
-1.3806kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-11.987
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
22HA
Physicochemical properties
Molecular weight
321.4Da
Lipinski: ≤ 500 Da
LogP (cLogP)
0.65
Lipinski: ≤ 5
Rotatable bonds
8
Conformational strain (MMFF94s)
Strain energy (ΔE)
17.02kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
-49.32kcal/mol
Minimised FF energy
-66.34kcal/mol
SASA & burial
✓ computed
SASA (unbound)
584.9Ų
Total solvent-accessible surface area of free ligand
BSA total
525.5Ų
Buried surface area upon binding
BSA apolar
413.8Ų
Hydrophobic contacts buried
BSA polar
111.6Ų
Polar contacts buried
Fraction buried
89.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
78.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1341.9Ų
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
498.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)