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
Reject
SASA cached
Promising but geometrically suspicious
Binding strong
Geometry low
Native strong
SASA done
Strain ΔE
42.2 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.42, H-bond role recall 0.40
Reason: strain 42.2 kcal/mol
strain ΔE 42.2 kcal/mol
2 protein-contact clashes
80% of hydrophobic surface is solvent-exposed (24/30 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
Reject
Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.658 kcal/mol/HA)
✓ Good fit quality (FQ -6.78)
✓ Strong H-bond network (6 bonds)
✓ Deep burial (76% SASA buried)
✓ Lipophilic contacts well-matched (85%)
✗ Extreme strain energy (42.2 kcal/mol)
✗ Geometry warnings
✗ Many internal clashes (15)
Score
-25.000
kcal/mol
LE
-0.658
kcal/mol/HA
Fit Quality
-6.78
FQ (Leeson)
HAC
38
heavy atoms
MW
516
Da
LogP
3.89
cLogP
Final rank
3.1120
rank score
Inter norm
-0.618
normalised
Contacts
19
H-bonds 8
Interaction summary
HBD 3
HBA 3
HY 1
PI 0
CLASH 2
Interaction summary
HBD 3
HBA 3
HY 1
PI 0
CLASH 2
HBD/HBA · H-bonds (geometric)
HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 4.
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 | 1NJJ | Contacts | 15 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ARG22
ARG242
ARG337
ARG342
ASP243
ASP385
GLN341
GLU384
LEU25
LEU339
LEU382
PRO340
PRO344
SER282
THR241
| ||
| Current overlap | 10 | Native recall | 0.67 |
| Jaccard | 0.42 | RMSD | - |
| HB strict | 2 | Strict recall | 0.33 |
| HB same residue+role | 2 | HB role recall | 0.40 |
| HB same residue | 2 | HB residue recall | 0.40 |
Protein summary
398 residues
| Protein target | T14 | Atoms | 6140 |
|---|---|---|---|
| Residues | 398 | Chains | 1 |
| Residue summary | VAL:592; LEU:513; LYS:484; ARG:432; PHE:420; ILE:418; ASP:349; THR:322; TYR:315; PRO:308; GLU:301; ALA:290; SER:253; GLY:217; ASN:210; GLN:170 | ||
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:ORX602
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 311 | 1.4548909989722447 | -0.731569 | -30.5333 | 4 | 21 | 0 | 0.00 | 0.00 | - | no | Open |
| 177 | 3.1058267462603015 | -0.719835 | -24.4973 | 9 | 17 | 0 | 0.00 | 0.00 | - | no | Open |
| 266 | 3.112039324897603 | -0.617978 | -25.0004 | 8 | 19 | 10 | 0.67 | 0.40 | - | no | Current |
| 230 | 3.597137569761292 | -0.659216 | -21.3068 | 6 | 20 | 0 | 0.00 | 0.00 | - | no | Open |
| 271 | 4.189837539731965 | -0.609457 | -24.3895 | 7 | 21 | 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
-25.000kcal/mol
Ligand efficiency (LE)
-0.6579kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-6.783
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
38HA
Physicochemical properties
Molecular weight
515.6Da
Lipinski: ≤ 500 Da
LogP (cLogP)
3.89
Lipinski: ≤ 5
Rotatable bonds
9
Conformational strain (MMFF94s)
Strain energy (ΔE)
42.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
122.21kcal/mol
Minimised FF energy
80.00kcal/mol
SASA & burial
✓ computed
SASA (unbound)
815.4Ų
Total solvent-accessible surface area of free ligand
BSA total
617.4Ų
Buried surface area upon binding
BSA apolar
524.5Ų
Hydrophobic contacts buried
BSA polar
92.9Ų
Polar contacts buried
Fraction buried
75.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
85.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-2674.4Ų
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
3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1379.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)