FAIRMol

Z19222909

Pose ID 1990 Compound 436 Pose 635

DB SELECTIONDocking 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 Z19222909

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 strong SASA done
Strain ΔE
15.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.80, Jaccard 0.76, H-bond role recall 0.20
Burial
88%
Hydrophobic fit
85%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.803 kcal/mol/HA) ✓ Good fit quality (FQ -7.97) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Moderate strain (15.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (13)
Score
-26.505
kcal/mol
LE
-0.803
kcal/mol/HA
Fit Quality
-7.97
FQ (Leeson)
HAC
33
heavy atoms
MW
451
Da
LogP
6.36
cLogP
Strain ΔE
15.7 kcal/mol
SASA buried
88%
Lipo contact
85% BSA apolar/total
SASA unbound
750 Ų
Apolar buried
564 Ų

Interaction summary

HB 1 HY 24 PI 3 CLASH 1
Final rank0.987Score-26.505
Inter norm-0.910Intra norm0.107
Top1000noExcludedno
Contacts17H-bonds1
Artifact reasongeometry warning; 13 clashes; 2 protein contact clashes
Residues
ALA32 ARG97 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE56 PHE91 THR54 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 overlap16Native recall0.80
Jaccard0.76RMSD-
HB strict1Strict recall0.14
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
634 0.7703295841755433 -1.01228 -30.485 3 17 0 0.00 0.00 - no Open
619 0.9227104539675254 -0.988832 -29.8563 3 18 0 0.00 0.00 - no Open
635 0.9872537622581262 -0.909874 -26.5051 1 17 16 0.80 0.20 - no Current
624 1.3874062123717454 -0.912299 -28.609 1 18 0 0.00 0.00 - no Open
623 2.5042832255124376 -0.78944 -24.6851 3 17 0 0.00 0.00 - no Open
641 2.575160669811322 -0.729551 -19.9056 7 12 0 0.00 0.00 - no Open
624 3.143187244987514 -0.689014 -19.0993 3 12 0 0.00 0.00 - no Open
637 3.1469015228773753 -0.653269 -16.8113 4 9 0 0.00 0.00 - no Open
623 3.788589440580992 -0.75815 -19.7132 1 18 1 0.05 0.00 - no Open
633 4.551784139291988 -0.853444 -26.9236 7 19 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 -26.505kcal/mol
Ligand efficiency (LE) -0.8032kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.969
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 450.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.36
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.67kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 128.82kcal/mol
Minimised FF energy 113.15kcal/mol

SASA & burial

✓ computed
SASA (unbound) 750.1Ų
Total solvent-accessible surface area of free ligand
BSA total 659.8Ų
Buried surface area upon binding
BSA apolar 563.7Ų
Hydrophobic contacts buried
BSA polar 96.1Ų
Polar contacts buried
Fraction buried 88.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1655.5Ų
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 813.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)