FAIRMol

MK129

Pose ID 11162 Compound 1399 Pose 724

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
T07
Pteridine reductase 1 (PTR1) Trypanosoma brucei
Ligand MK129
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject No SASA yet
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA missing
Strain ΔE
62.5 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.74, Jaccard 0.67, H-bond role recall 0.40
Burial
100%
Reason: strain 62.5 kcal/mol
strain ΔE 62.5 kcal/mol
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.495 kcal/mol/HA) ✓ Good fit quality (FQ -12.98) ✓ Strong H-bond network (14 bonds) ✗ Extreme strain energy (62.5 kcal/mol) ✗ Geometry warnings ✗ Excluded by docking heuristics ℹ SASA not computed
Score
-32.894
kcal/mol
LE
-1.495
kcal/mol/HA
Fit Quality
-12.98
FQ (Leeson)
HAC
22
heavy atoms
MW
313
Da
LogP
-1.87
cLogP
Strain ΔE
62.5 kcal/mol
SASA buried
computing…

Interaction summary

HB 14 HY 15 PI 2 CLASH 1
Final rank52.961Score-32.894
Inter norm-1.306Intra norm-0.189
Top1000noExcludedyes
Contacts16H-bonds7
Artifact reasonexcluded; geometry warning; 3 clashes; 1 protein clash
Residues
ARG14 CYS168 GLY205 LEU208 LEU209 LEU263 MET163 MET213 NAP301 PHE97 PRO210 SER207 SER95 TRP221 TYR174 VAL206

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
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 overlap14Native recall0.74
Jaccard0.67RMSD-
HB strict1Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

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
725 3.881764876434319 -1.33785 -34.4254 10 15 13 0.68 0.40 - no Open
717 4.363881452084701 -1.45296 -27.9395 7 14 14 0.74 0.60 - no Open
721 4.744809893168181 -1.28409 -31.1737 4 13 13 0.68 0.40 - no Open
713 52.25597153574474 -1.32351 -30.8251 6 12 11 0.58 0.60 - no Open
727 52.82554429742053 -1.37162 -30.9653 5 16 15 0.79 0.20 - no Open
722 52.901475344989514 -1.15628 -30.0541 10 15 14 0.74 0.40 - no Open
715 52.681550447846675 -1.40997 -33.9149 6 12 11 0.58 0.60 - yes Open
724 52.96105829878437 -1.30612 -32.8938 7 16 14 0.74 0.40 - yes Current
714 53.05253336422005 -1.24508 -31.8992 6 14 14 0.74 0.20 - yes Open
726 53.2539328674189 -1.33035 -29.904 7 16 14 0.74 0.40 - yes Open
719 54.00588526028555 -1.36162 -30.065 8 14 14 0.74 0.60 - yes Open
718 54.33639916166939 -1.2155 -30.6199 10 15 15 0.79 0.40 - yes Open
723 54.48952671147026 -1.37213 -32.3628 9 14 14 0.74 0.20 - yes Open
728 54.50548997474227 -1.26343 -31.9045 8 16 14 0.74 0.40 - yes Open
716 54.90253392845565 -1.31928 -32.7137 7 15 14 0.74 0.20 - yes Open
720 55.17790347223977 -1.36133 -31.8488 9 14 14 0.74 0.20 - yes Open

Molecular metrics

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

Scoring & efficiency

Docking score -32.894kcal/mol
Ligand efficiency (LE) -1.4952kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.981
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 313.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) -1.87
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 62.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 82.32kcal/mol
Minimised FF energy 19.82kcal/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.