FAIRMol

Z19654250

Pose ID 2611 Compound 1491 Pose 578

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T04
L. major PTR1 L. major
Ligand Z19654250
PDB7PXX

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native mixed SASA done
Strain ΔE
14.7 kcal/mol
Protein clashes
0
Internal clashes
2
Native overlap
contact recall 0.53, Jaccard 0.53, H-bond role recall 0.20
Burial
81%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.274 kcal/mol/HA) ✓ Good fit quality (FQ -10.66) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Moderate strain (14.7 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Internal clashes (5)
Score
-25.471
kcal/mol
LE
-1.274
kcal/mol/HA
Fit Quality
-10.66
FQ (Leeson)
HAC
20
heavy atoms
MW
321
Da
LogP
3.79
cLogP
Final rank
-0.7271
rank score
Inter norm
-1.345
normalised
Contacts
10
H-bonds 1
Strain ΔE
14.7 kcal/mol
SASA buried
81%
Lipo contact
66% BSA apolar/total
SASA unbound
534 Ų
Apolar buried
286 Ų

Interaction summary

HB 0 HY 3 PI 2 CLASH 2

HBD/HBA · H-bonds (geometric)

No hbd/hba · h-bonds (geometric) detected for this pose.

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.
Name7PXXContacts19
PoseOpen native poseHB0
IFP residues
ARG17 ASP181 GLY225 HIS241 LEU188 LEU226 LEU229 LYS198 MET233 NDP302 PHE113 PRO115 SER111 SER112 SER227 TYR191 TYR194 VAL230 ARG287
Current overlap10Native recall0.53
Jaccard0.53RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

Protein summary

308 residues
Protein targetT04Atoms4210
Residues308Chains3
Residue summaryLEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108

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:NDP302

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
578 -0.7270926984500435 -1.34516 -25.4712 1 10 10 0.53 0.20 - no Current
585 1.3723534277399172 -1.28803 -22.9149 4 16 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -25.471kcal/mol
Ligand efficiency (LE) -1.2736kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.657
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 20HA

Physicochemical properties

Molecular weight 321.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.79
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -10.82kcal/mol
Minimised FF energy -25.53kcal/mol

SASA & burial

✓ computed
SASA (unbound) 534.1Ų
Total solvent-accessible surface area of free ligand
BSA total 434.3Ų
Buried surface area upon binding
BSA apolar 285.9Ų
Hydrophobic contacts buried
BSA polar 148.3Ų
Polar contacts buried
Fraction buried 81.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 65.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1510.9Ų
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 2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1033.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)