FAIRMol

Z49724748

Pose ID 576 Compound 42 Pose 576

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T01
Human DHFR Human
Ligand Z49724748
PDB5SD8

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 medium Native strong SASA done
Strain ΔE
32.9 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.76, Jaccard 0.76, H-bond role recall 0.00
Burial
92%
Hydrophobic fit
77%
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 (-1.131 kcal/mol/HA) ✓ Good fit quality (FQ -10.28) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (32.9 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (10)
Score
-28.274
kcal/mol
LE
-1.131
kcal/mol/HA
Fit Quality
-10.28
FQ (Leeson)
HAC
25
heavy atoms
MW
425
Da
LogP
3.43
cLogP
Strain ΔE
32.9 kcal/mol
SASA buried
92%
Lipo contact
77% BSA apolar/total
SASA unbound
580 Ų
Apolar buried
410 Ų

Interaction summary

HB 6 HY 23 PI 1 CLASH 2
Final rank0.649Score-28.274
Inter norm-1.043Intra norm-0.088
Top1000noExcludedno
Contacts16H-bonds6
Artifact reasongeometry warning; 10 clashes; 3 protein contact clashes; 2 cofactor-context clashes; high strain Δ 32.9
Residues
ALA10 ASP22 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR57 TYR122 VAL116 VAL9

Protein summary

200 residues
Protein targetT01Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

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:NAP201

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap16Native recall0.76
Jaccard0.76RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
535 0.5554742205459879 -1.57398 -38.7698 15 16 0 0.00 0.00 - no Open
542 0.6301361565626356 -1.41362 -35.0467 13 20 0 0.00 0.00 - no Open
576 0.6491852433386276 -1.04323 -28.2743 6 16 16 0.76 0.00 - no Current
560 1.7385138815859185 -1.20275 -30.8924 10 14 0 0.00 0.00 - no Open
573 1.9408338434310477 -0.934882 -24.3666 8 14 0 0.00 0.00 - no Open
546 2.12496165439863 -1.12048 -28.9632 5 14 0 0.00 0.00 - no Open
573 2.1723358672917747 -0.917446 -22.622 4 14 0 0.00 0.00 - no Open
538 2.531466557515543 -1.11611 -27.7407 6 11 0 0.00 0.00 - no Open
551 3.031535954686285 -1.17336 -28.1011 5 18 0 0.00 0.00 - no Open
560 3.1524960599292062 -0.864105 -19.5566 5 10 0 0.00 0.00 - no Open
541 3.5786835219571276 -1.12988 -25.5305 10 18 0 0.00 0.00 - no Open
558 4.774003563882817 -1.42174 -34.3602 11 23 0 0.00 0.00 - no Open
567 5.672682983004134 -1.08344 -23.3257 13 17 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 -28.274kcal/mol
Ligand efficiency (LE) -1.1310kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.282
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 425.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.43
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 32.93kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 127.29kcal/mol
Minimised FF energy 94.36kcal/mol

SASA & burial

✓ computed
SASA (unbound) 579.6Ų
Total solvent-accessible surface area of free ligand
BSA total 535.8Ų
Buried surface area upon binding
BSA apolar 410.5Ų
Hydrophobic contacts buried
BSA polar 125.3Ų
Polar contacts buried
Fraction buried 92.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1511.0Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 602.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)