FAIRMol

OSA_Lib_302

Pose ID 13506 Compound 1598 Pose 653

DB Docking_panel_21Docking pose analysis is being read from this database.
Molecular metrics status: done
Cached molecular metrics are available for this pose.
Metrics cached · SASA missing
T08
Pteridine reductase 1 (PTR1) Trypanosoma brucei
Ligand OSA_Lib_302
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak No SASA yet
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA missing
Strain ΔE
21.2 kcal/mol
Protein clashes
4
Internal clashes
6
Native overlap
contact recall 0.79, Jaccard 0.65, H-bond role recall 0.20
Burial
100%
Reason: 6 internal clashes
4 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.740 kcal/mol/HA) ✓ Good fit quality (FQ -7.14) ✓ Good H-bonds (4 bonds) ✗ High strain energy (21.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18) ✗ Excluded by docking heuristics ℹ SASA not computed
Score
-22.196
kcal/mol
LE
-0.740
kcal/mol/HA
Fit Quality
-7.14
FQ (Leeson)
HAC
30
heavy atoms
MW
398
Da
LogP
4.83
cLogP
Strain ΔE
21.2 kcal/mol
SASA buried
computing…

Interaction summary

HB 4 HY 24 PI 5 CLASH 6
Final rank61.027Score-22.196
Inter norm-0.982Intra norm0.242
Top1000noExcludedyes
Contacts19H-bonds3
Artifact reasonexcluded; geometry warning; 18 clashes; 3 protein clashes
Residues
ARG14 ASN175 ASP161 CYS168 GLY205 LEU208 LEU209 MET163 MET213 NAP301 PHE171 PHE97 PRO167 PRO210 SER207 TRP221 TYR174 VAL164 VAL206

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

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:NAP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap15Native recall0.79
Jaccard0.65RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

HB · H-bonds

Mode: permissive. 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
662 3.645310442279257 -0.620809 -20.1903 2 11 10 0.53 0.20 - no Open
658 5.946912658772893 -0.964374 -28.5484 1 17 12 0.63 0.00 - no Open
656 5.3022857083799275 -1.02366 -29.3388 1 18 14 0.74 0.00 - yes Open
661 6.918944324914556 -0.784578 -22.4662 2 11 8 0.42 0.20 - yes Open
651 7.106490681562764 -0.625911 -18.0071 1 11 9 0.47 0.20 - yes Open
650 7.775682514053509 -0.925604 -16.2869 2 19 14 0.74 0.00 - yes Open
654 7.915336387760832 -0.890753 -20.5344 2 19 14 0.74 0.00 - yes Open
652 8.585268445025196 -0.945524 -24.3242 1 18 13 0.68 0.00 - yes Open
655 9.2475841540719 -0.651262 -17.5338 1 11 9 0.47 0.20 - yes Open
663 56.74400776727596 -1.03735 -29.4712 1 19 14 0.74 0.00 - yes Open
657 56.95628912620001 -0.968237 -20.6844 2 21 15 0.79 0.20 - yes Open
659 57.212325907207735 -0.962844 -25.4027 3 19 14 0.74 0.20 - yes Open
660 57.45071296749822 -0.878981 -18.4367 1 19 14 0.74 0.00 - yes Open
664 58.16650395574976 -0.900094 -23.646 1 18 13 0.68 0.00 - yes Open
649 58.27317098965996 -1.07291 -26.1517 2 19 15 0.79 0.00 - yes Open
653 61.02652196241503 -0.982144 -22.1956 3 19 15 0.79 0.20 - yes Current

Molecular metrics

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

Scoring & efficiency

Docking score -22.196kcal/mol
Ligand efficiency (LE) -0.7399kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.137
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 397.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.83
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 21.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 105.02kcal/mol
Minimised FF energy 83.83kcal/mol

SASA & burial

not yet run
SASA has not been computed yet for this pose. Queue a background recompute to populate SASA burial metrics without blocking the page.