FAIRMol

Z55694322

Pose ID 1974 Compound 256 Pose 619

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 Z55694322

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
40.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.80, Jaccard 0.76, H-bond role recall 0.20
Burial
86%
Hydrophobic fit
81%
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 (-0.822 kcal/mol/HA) ✓ Good fit quality (FQ -8.16) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Extreme strain energy (40.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-27.133
kcal/mol
LE
-0.822
kcal/mol/HA
Fit Quality
-8.16
FQ (Leeson)
HAC
33
heavy atoms
MW
460
Da
LogP
5.10
cLogP
Strain ΔE
40.9 kcal/mol
SASA buried
86%
Lipo contact
81% BSA apolar/total
SASA unbound
727 Ų
Apolar buried
509 Ų

Interaction summary

HB 2 HY 24 PI 3 CLASH 1

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 rank2.322Score-27.133
Inter norm-0.844Intra norm0.022
Top1000noExcludedno
Contacts17H-bonds2
Artifact reasongeometry warning; 15 clashes; 1 protein clash; high strain Δ 40.5
Residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO50 THR54 THR83 TYR162 VAL156 VAL30 VAL31

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 strict2Strict recall0.29
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
620 0.9124878828115518 -0.742763 -23.1308 0 15 0 0.00 0.00 - no Open
616 1.5903297613763936 -0.695296 -20.3004 1 17 0 0.00 0.00 - no Open
617 1.6999776302048877 -0.781972 -26.1696 4 14 0 0.00 0.00 - no Open
606 2.1579267805035065 -0.935582 -30.0151 4 17 1 0.05 0.00 - no Open
619 2.321598553519423 -0.843726 -27.1331 2 17 16 0.80 0.20 - no Current
611 2.3721997365242466 -0.744991 -19.006 2 19 1 0.05 0.00 - no Open
632 2.5845937659195366 -0.808096 -24.1504 9 17 0 0.00 0.00 - no Open
628 3.0667722052197655 -0.693175 -22.2941 6 15 0 0.00 0.00 - no Open
615 3.648743788972634 -0.72495 -21.5538 6 19 0 0.00 0.00 - no Open
629 4.069678458429272 -0.67542 -22.0358 6 19 0 0.00 0.00 - no Open
630 4.138721914791422 -0.806706 -25.3439 5 18 0 0.00 0.00 - no Open
616 5.015225112007658 -0.909212 -28.7073 9 17 0 0.00 0.00 - no Open
641 5.605204418092712 -1.11254 -33.8589 9 20 0 0.00 0.00 - no Open
631 5.82846986775583 -0.854024 -26.3807 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 -27.133kcal/mol
Ligand efficiency (LE) -0.8222kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.158
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 459.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.10
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.94kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 104.59kcal/mol
Minimised FF energy 63.65kcal/mol

SASA & burial

✓ computed
SASA (unbound) 727.0Ų
Total solvent-accessible surface area of free ligand
BSA total 625.5Ų
Buried surface area upon binding
BSA apolar 508.6Ų
Hydrophobic contacts buried
BSA polar 116.9Ų
Polar contacts buried
Fraction buried 86.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1621.4Ų
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 798.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)