FAIRMol

Z45635483

Pose ID 6053 Compound 2247 Pose 635

DB fairmolDocking 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 Z45635483

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native mixed SASA done
Strain ΔE
33.5 kcal/mol
Protein clashes
3
Internal clashes
5
Native overlap
contact recall 0.43, Jaccard 0.35, H-bond role recall 0.33
Burial
85%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
3 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.988 kcal/mol/HA) ✓ Good fit quality (FQ -8.86) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ Very high strain energy (33.5 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Many internal clashes (11)
Score
-23.723
kcal/mol
LE
-0.988
kcal/mol/HA
Fit Quality
-8.86
FQ (Leeson)
HAC
24
heavy atoms
MW
368
Da
LogP
2.43
cLogP
Strain ΔE
33.5 kcal/mol
SASA buried
85%
Lipo contact
68% BSA apolar/total
SASA unbound
597 Ų
Apolar buried
345 Ų

Interaction summary

HB 6 HY 20 PI 2 CLASH 5

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

Final rank1.552Score-23.723
Inter norm-1.090Intra norm0.102
Top1000noExcludedno
Contacts14H-bonds6
Artifact reasongeometry warning; 11 clashes; 8 protein contact clashes; 2 cofactor-context clashes; high strain Δ 33.5
Residues
NDP301 ALA32 ARG48 ASP52 ILE182 ILE45 MET53 PHE56 SER44 TRP47 TYR162 VAL156 VAL31 VAL49

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 overlap9Native recall0.43
Jaccard0.35RMSD-
HB strict1Strict recall0.14
HB same residue+role2HB role recall0.33
HB same residue2HB residue recall0.33

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
641 0.996170229026272 -1.32395 -28.1168 8 13 0 0.00 0.00 - no Open
635 1.5521669381048986 -1.09042 -23.7226 6 14 9 0.43 0.33 - no Current
647 2.5350330653132933 -1.18347 -26.7149 11 17 0 0.00 0.00 - no Open
662 2.5760465111665063 -1.18521 -25.9775 10 16 0 0.00 0.00 - no Open
643 2.859482682481522 -0.983196 -22.5121 9 13 0 0.00 0.00 - no Open
653 2.912148041490271 -1.31011 -29.0433 12 20 0 0.00 0.00 - no Open
651 3.165601413469841 -0.982393 -21.7643 6 10 0 0.00 0.00 - no Open
653 3.221699438426105 -1.16465 -25.7672 9 15 0 0.00 0.00 - no Open
658 5.142005379099134 -1.15028 -26.4406 13 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 -23.723kcal/mol
Ligand efficiency (LE) -0.9884kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.858
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 368.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.43
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 33.46kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -53.75kcal/mol
Minimised FF energy -87.21kcal/mol

SASA & burial

✓ computed
SASA (unbound) 596.7Ų
Total solvent-accessible surface area of free ligand
BSA total 505.7Ų
Buried surface area upon binding
BSA apolar 345.3Ų
Hydrophobic contacts buried
BSA polar 160.4Ų
Polar contacts buried
Fraction buried 84.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3186.2Ų
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 1674.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)