FAIRMol

Z29294093

Pose ID 2002 Compound 197 Pose 647

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T03
L. major DHFR L. major
Ligand Z29294093

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 strong SASA done
Strain ΔE
31.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.85, Jaccard 0.77, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
71%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.533 kcal/mol/HA) ✓ Good fit quality (FQ -15.07) ✓ Good H-bonds (4 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ Very high strain energy (31.5 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Internal clashes (8)
Score
-49.053
kcal/mol
LE
-1.533
kcal/mol/HA
Fit Quality
-15.07
FQ (Leeson)
HAC
32
heavy atoms
MW
492
Da
LogP
2.75
cLogP
Strain ΔE
31.5 kcal/mol
SASA buried
94%
Lipo contact
71% BSA apolar/total
SASA unbound
745 Ų
Apolar buried
495 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 1
Final rank1.185Score-49.053
Inter norm-0.885Intra norm-0.648
Top1000noExcludedno
Contacts19H-bonds4
Artifact reasongeometry warning; 8 clashes; 5 protein contact clashes; very favorable intra outlier; high strain Δ 31.5
Residues
ALA32 ARG97 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE56 PHE91 PRO88 PRO93 SER86 THR83 TYR162 VAL156 VAL30 VAL31 VAL87

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; NDP:74

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.
Name3CL9Contacts20
PoseOpen native poseHB0
IFP residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap17Native recall0.85
Jaccard0.77RMSD-
HB strict2Strict recall0.29
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
647 1.1847930015500647 -0.884942 -49.0529 4 19 17 0.85 0.20 - no Current
632 1.4951936856465549 -0.821422 -31.1479 4 15 0 0.00 0.00 - no Open
632 1.7612227019476687 -0.793129 -46.3282 4 20 1 0.05 0.00 - no Open
659 3.075408860119218 -0.786972 -46.8966 11 18 0 0.00 0.00 - no Open
641 3.178654702339341 -0.732381 -47.0997 5 13 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 -49.053kcal/mol
Ligand efficiency (LE) -1.5329kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -15.075
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 491.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.75
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 63.09kcal/mol
Minimised FF energy 31.60kcal/mol

SASA & burial

✓ computed
SASA (unbound) 745.5Ų
Total solvent-accessible surface area of free ligand
BSA total 698.6Ų
Buried surface area upon binding
BSA apolar 494.8Ų
Hydrophobic contacts buried
BSA polar 203.8Ų
Polar contacts buried
Fraction buried 93.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1572.3Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 780.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)