FAIRMol

Z56071560

Pose ID 6025 Compound 535 Pose 607

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T09
L. major DHFR-TS L. major
Ligand Z56071560

3D complex viewer

Strict H-bonds Permissive H-bonds
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
49.0 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.57, Jaccard 0.46, H-bond role recall 0.17
Burial
80%
Hydrophobic fit
78%
Reason: strain 49.0 kcal/mol
strain ΔE 49.0 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.632 kcal/mol/HA) ✓ Good fit quality (FQ -6.47) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (49.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Many internal clashes (11)
Score
-23.373
kcal/mol
LE
-0.632
kcal/mol/HA
Fit Quality
-6.47
FQ (Leeson)
HAC
37
heavy atoms
MW
564
Da
LogP
4.66
cLogP
Strain ΔE
49.0 kcal/mol
SASA buried
80%
Lipo contact
78% BSA apolar/total
SASA unbound
842 Ų
Apolar buried
525 Ų

Interaction summary

HB 7 HY 24 PI 2 CLASH 4
Final rank1.698Score-23.373
Inter norm-0.786Intra norm0.154
Top1000noExcludedno
Contacts17H-bonds7
Artifact reasongeometry warning; 11 clashes; 7 protein contact clashes; high strain Δ 48.8
Residues
NDP301 ARG48 ARG97 ILE45 LEU94 LYS57 MET53 PHE56 PHE91 PRO50 PRO88 SER44 SER86 THR83 TRP47 VAL49 VAL87

Protein summary

511 residues
Protein targetT09Atoms8170
Residues511Chains2
Residue summaryLEU:1064; ARG:840; LYS:572; GLU:570; VAL:528; PHE:460; ILE:456; ALA:440; PRO:420; THR:406; TYR:357; ASP:312; GLN:289; ASN:238; SER:231; GLY:224

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:NDP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts21
PoseOpen native poseHB0
IFP residues
NDP301 ALA32 ARG97 ASP52 GLY157 ILE45 LEU94 LYS57 MET53 PHE55 PHE56 PHE91 PRO88 SER86 THR180 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap12Native recall0.57
Jaccard0.46RMSD-
HB strict1Strict recall0.14
HB same residue+role1HB role recall0.17
HB same residue1HB residue recall0.17

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
617 1.2286859477856493 -0.645289 -22.1086 3 18 0 0.00 0.00 - no Open
604 1.3266441361771943 -0.860678 -32.0683 3 18 0 0.00 0.00 - no Open
607 1.6982015379180018 -0.786127 -23.3734 7 17 12 0.57 0.17 - no Current
620 3.0402899482083474 -0.753862 -19.3978 4 12 1 0.05 0.00 - no Open
614 3.0543374942600416 -0.713983 -28.0903 2 18 0 0.00 0.00 - no Open
618 3.0637516082477028 -0.704842 -27.8068 2 17 0 0.00 0.00 - no Open
633 3.075363984433379 -0.65572 -22.113 7 18 0 0.00 0.00 - no Open
630 3.1325723545274675 -0.679026 -25.8742 9 21 0 0.00 0.00 - no Open
616 4.10639197949174 -0.722302 -26.282 8 17 0 0.00 0.00 - no Open
633 4.4909211152057775 -0.744179 -23.8511 8 18 0 0.00 0.00 - no Open
631 5.0140432502219925 -0.734809 -23.4523 5 15 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 -23.373kcal/mol
Ligand efficiency (LE) -0.6317kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.467
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 564.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.66
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 48.98kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -36.02kcal/mol
Minimised FF energy -85.00kcal/mol

SASA & burial

✓ computed
SASA (unbound) 842.0Ų
Total solvent-accessible surface area of free ligand
BSA total 669.6Ų
Buried surface area upon binding
BSA apolar 524.8Ų
Hydrophobic contacts buried
BSA polar 144.8Ų
Polar contacts buried
Fraction buried 79.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3395.2Ų
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 4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1690.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)