FAIRMol

MK210

Pose ID 332 Compound 350 Pose 332

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 MK210
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
24.1 kcal/mol
Protein clashes
0
Internal clashes
12
Native overlap
contact recall 0.76, Jaccard 0.67, H-bond role recall 0.20
Burial
88%
Hydrophobic fit
86%
Reason: 12 internal clashes
12 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.641 kcal/mol/HA) ✓ Good fit quality (FQ -6.36) ✓ Good H-bonds (4 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ High strain energy (24.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-21.168
kcal/mol
LE
-0.641
kcal/mol/HA
Fit Quality
-6.36
FQ (Leeson)
HAC
33
heavy atoms
MW
452
Da
LogP
4.67
cLogP
Strain ΔE
24.1 kcal/mol
SASA buried
88%
Lipo contact
86% BSA apolar/total
SASA unbound
763 Ų
Apolar buried
573 Ų

Interaction summary

HB 4 HY 24 PI 1 CLASH 0
Final rank2.109Score-21.168
Inter norm-0.788Intra norm0.146
Top1000noExcludedno
Contacts19H-bonds4
Artifact reasongeometry warning; 12 clashes; 1 protein clash; 1 cofactor-context clash
Residues
ALA10 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO26 PRO27 SER60 THR57 TRP25 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
Jaccard0.67RMSD-
HB strict0Strict recall0.00
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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
322 1.3070478662876737 -0.795495 -22.1443 7 17 14 0.67 0.60 - no Open
239 1.429353830046023 -0.85087 -24.9661 9 18 0 0.00 0.00 - no Open
332 2.109182079251565 -0.787785 -21.1675 4 19 16 0.76 0.20 - no Current
280 2.8384458484406365 -0.771278 -19.4611 11 18 0 0.00 0.00 - no Open
207 2.994404326852969 -0.879267 -22.1427 11 17 0 0.00 0.00 - no Open
228 3.25287543334116 -0.900912 -26.7187 12 18 0 0.00 0.00 - no Open
315 3.7913116092188326 -0.611091 -14.3237 5 14 0 0.00 0.00 - no Open
305 5.387160225431737 -0.730767 -19.8354 6 18 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 -21.168kcal/mol
Ligand efficiency (LE) -0.6414kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.364
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 451.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.67
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.09kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 50.49kcal/mol
Minimised FF energy 26.39kcal/mol

SASA & burial

✓ computed
SASA (unbound) 763.0Ų
Total solvent-accessible surface area of free ligand
BSA total 670.4Ų
Buried surface area upon binding
BSA apolar 573.5Ų
Hydrophobic contacts buried
BSA polar 97.0Ų
Polar contacts buried
Fraction buried 87.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1700.2Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 615.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)