FAIRMol

OHD_TbNat_136

Pose ID 770 Compound 1041 Pose 92

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand OHD_TbNat_136
PDB5SD8

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 moderate Geometry low Native strong SASA done
Strain ΔE
58.7 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.71, Jaccard 0.56, H-bond role recall 0.40
Burial
74%
Hydrophobic fit
74%
Reason: strain 58.7 kcal/mol
strain ΔE 58.7 kcal/mol 5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Strong H-bond network (7 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Extreme strain energy (58.7 kcal/mol) ✗ Low LE (-0.128 kcal/mol/HA) ✗ Geometry warnings ✗ Many internal clashes (26)
Score
-7.698
kcal/mol
LE
-0.128
kcal/mol/HA
Fit Quality
-1.46
FQ (Leeson)
HAC
60
heavy atoms
MW
825
Da
LogP
4.84
cLogP
Strain ΔE
58.7 kcal/mol
SASA buried
74%
Lipo contact
74% BSA apolar/total
SASA unbound
1091 Ų
Apolar buried
592 Ų

Interaction summary

HB 7 HY 24 PI 2 CLASH 5

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 rank5.937Score-7.698
Inter norm-0.449Intra norm0.290
Top1000noExcludedno
Contacts21H-bonds7
Artifact reasongeometry warning; 26 clashes; 2 protein clashes; high raw intra; high strain Δ 56.8
Residues
ALA10 ARG29 ASN65 ASP22 GLU31 ILE61 ILE8 LEU23 NAP201 PHE32 PHE35 PRO24 PRO26 PRO27 PRO62 SER60 THR137 THR57 TRP25 TYR34 VAL9

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 overlap15Native recall0.71
Jaccard0.56RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

Protein summary

200 residues
Protein targetT02Atoms3128
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
70 4.497792941953882 -0.415948 -24.4853 9 24 0 0.00 0.00 - no Open
92 5.936882410324549 -0.448541 -7.69761 7 21 15 0.71 0.40 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -7.698kcal/mol
Ligand efficiency (LE) -0.1283kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -1.461
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 60HA

Physicochemical properties

Molecular weight 824.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.84
Lipinski: ≤ 5
Rotatable bonds 17

Conformational strain (MMFF94s)

Strain energy (ΔE) 58.68kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 170.22kcal/mol
Minimised FF energy 111.54kcal/mol

SASA & burial

✓ computed
SASA (unbound) 1090.8Ų
Total solvent-accessible surface area of free ligand
BSA total 802.0Ų
Buried surface area upon binding
BSA apolar 592.2Ų
Hydrophobic contacts buried
BSA polar 209.8Ų
Polar contacts buried
Fraction buried 73.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1852.8Ų
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 631.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)