FAIRMol

Z56071437

Pose ID 594 Compound 311 Pose 594

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 Z56071437
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 high Native strong SASA done
Strain ΔE
18.8 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.76, Jaccard 0.67, H-bond role recall 0.20
Burial
87%
Hydrophobic fit
80%
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 (-1.034 kcal/mol/HA) ✓ Good fit quality (FQ -10.08) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Moderate strain (18.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-32.070
kcal/mol
LE
-1.034
kcal/mol/HA
Fit Quality
-10.08
FQ (Leeson)
HAC
31
heavy atoms
MW
500
Da
LogP
5.50
cLogP
Strain ΔE
18.8 kcal/mol
SASA buried
87%
Lipo contact
80% BSA apolar/total
SASA unbound
745 Ų
Apolar buried
521 Ų

Interaction summary

HB 1 HY 24 PI 2 CLASH 1
Final rank1.941Score-32.070
Inter norm-0.877Intra norm-0.157
Top1000noExcludedno
Contacts19H-bonds1
Artifact reasongeometry warning; 13 clashes; 1 protein clash
Residues
ALA10 ARG29 ASN65 GLN36 GLU31 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO27 THR137 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
Jaccard0.67RMSD-
HB strict1Strict recall0.20
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
572 0.5870117947832066 -1.10765 -37.5989 7 16 0 0.00 0.00 - no Open
583 0.8823549273857154 -0.910836 -30.2227 2 20 17 0.81 0.40 - no Open
592 1.310495564240597 -0.754262 -27.3292 4 16 0 0.00 0.00 - no Open
611 1.7798849023795245 -0.802683 -26.2147 4 16 0 0.00 0.00 - no Open
594 1.9412230667148331 -0.877204 -32.0703 1 19 16 0.76 0.20 - no Current
584 2.0822003114507757 -0.856641 -25.7246 2 18 0 0.00 0.00 - no Open
583 2.606119674997513 -0.894636 -26.6402 9 16 0 0.00 0.00 - no Open
600 2.62217074979796 -0.689693 -24.6956 3 8 0 0.00 0.00 - no Open
575 3.3580502961066707 -0.8137 -25.6478 3 15 0 0.00 0.00 - no Open
595 3.5009994029016003 -0.774293 -24.4273 4 21 0 0.00 0.00 - no Open
587 3.744243536944524 -0.642671 -23.6962 5 10 0 0.00 0.00 - no Open
600 3.987159201366124 -1.08362 -33.2245 13 19 0 0.00 0.00 - no Open
591 6.027892840267617 -0.912188 -27.1412 8 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 -32.070kcal/mol
Ligand efficiency (LE) -1.0345kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.079
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 500.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.50
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.81kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -38.52kcal/mol
Minimised FF energy -57.33kcal/mol

SASA & burial

✓ computed
SASA (unbound) 745.1Ų
Total solvent-accessible surface area of free ligand
BSA total 648.7Ų
Buried surface area upon binding
BSA apolar 520.9Ų
Hydrophobic contacts buried
BSA polar 127.9Ų
Polar contacts buried
Fraction buried 87.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1674.3Ų
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 590.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)