FAIRMol

Z44831771

Pose ID 11846 Compound 1437 Pose 1408

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 Z44831771
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
Weak or marginal quality
Binding strong Geometry medium Native strong SASA missing
Strain ΔE
36.2 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.74, Jaccard 0.61, H-bond role recall 0.40
Burial
87%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.056 kcal/mol/HA) ✓ Good fit quality (FQ -10.38) ✓ Strong H-bond network (9 bonds) ✗ Very high strain energy (36.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17) ✗ Excluded by docking heuristics ℹ SASA not computed
Score
-33.776
kcal/mol
LE
-1.056
kcal/mol/HA
Fit Quality
-10.38
FQ (Leeson)
HAC
32
heavy atoms
MW
434
Da
LogP
4.07
cLogP
Strain ΔE
36.2 kcal/mol
SASA buried
computing…

Interaction summary

HB 9 HY 24 PI 5 CLASH 1
Final rank7.811Score-33.776
Inter norm-0.936Intra norm-0.119
Top1000noExcludedyes
Contacts18H-bonds5
Artifact reasonexcluded; geometry warning; 17 clashes; 1 protein clash; high strain Δ 43.0
Residues
ALA170 ARG14 ASP161 CYS168 GLU217 LEU208 LEU209 LYS178 LYS220 MET169 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 TRP221 TYR174

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
Jaccard0.61RMSD-
HB strict1Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
1406 4.597080988345055 -0.985915 -22.99 7 15 11 0.58 0.60 - no Open
1404 4.661917681470836 -0.82314 -23.9565 4 17 14 0.74 0.40 - no Open
3499 4.710478616573362 -0.670633 -22.313 7 16 0 0.00 0.00 - no Open
2131 5.97113929719616 -0.575467 -14.5233 10 13 0 0.00 0.00 - no Open
2132 6.5542935964349205 -0.68026 -22.1842 4 14 0 0.00 0.00 - no Open
2123 6.672741907279237 -0.590838 -21.5145 7 11 0 0.00 0.00 - no Open
2127 7.717351609018184 -0.652045 -19.1483 7 11 0 0.00 0.00 - no Open
2125 7.750248059263065 -0.640842 -22.5904 9 11 0 0.00 0.00 - no Open
3504 8.229408185792026 -0.859572 -33.8612 8 13 0 0.00 0.00 - no Open
3503 8.706219372901863 -0.665477 -26.3443 7 14 0 0.00 0.00 - no Open
1405 5.7479251539054985 -0.785898 -30.7464 4 16 16 0.84 0.40 - yes Open
3497 7.0204175697363596 -0.649422 -18.5732 6 15 0 0.00 0.00 - yes Open
3506 7.184725648542509 -0.720953 -21.8427 9 15 0 0.00 0.00 - yes Open
1413 7.1859422124202785 -0.966079 -21.9788 7 18 13 0.68 0.60 - yes Open
3505 7.738642189576931 -0.619665 -19.6418 8 15 0 0.00 0.00 - yes Open
1408 7.810830650880446 -0.936013 -33.7764 5 18 14 0.74 0.40 - yes Current
3507 8.321725388643328 -0.61981 -20.6343 5 15 0 0.00 0.00 - yes Open
1412 8.422852477168364 -0.886485 -23.4202 7 18 15 0.79 0.40 - yes Open
2124 8.515970032523061 -0.748819 -21.3543 7 13 0 0.00 0.00 - yes Open
2129 8.632322088371021 -0.684813 -15.2213 7 13 0 0.00 0.00 - yes Open
1411 8.785940220908063 -0.735865 -24.2711 5 12 11 0.58 0.60 - yes Open
3498 9.258651404018638 -0.702783 -19.1563 8 14 0 0.00 0.00 - yes Open
1409 9.669341810718509 -1.02054 -36.6574 8 15 15 0.79 0.40 - yes Open
1414 9.757141253879212 -0.94632 -24.0378 9 18 13 0.68 0.40 - yes Open
2126 9.90165099956009 -0.628696 -26.6578 9 11 0 0.00 0.00 - yes Open
3502 10.196185795286425 -0.713848 -25.5859 8 15 0 0.00 0.00 - yes Open
2121 10.331879163539698 -0.650216 -11.4523 7 11 0 0.00 0.00 - yes Open
1407 56.35447134801713 -0.855775 -21.4011 8 15 12 0.63 0.60 - yes Open
3508 59.44618331896669 -0.658809 -18.4045 8 17 0 0.00 0.00 - yes Open
3501 59.72221200964438 -0.661087 -21.9454 7 14 0 0.00 0.00 - yes Open
2122 60.0408513723887 -0.640144 -23.4261 8 11 0 0.00 0.00 - yes Open
2128 60.084965041717744 -0.657502 -24.2603 10 9 0 0.00 0.00 - yes Open
3500 60.142599288718245 -0.685896 -21.2838 3 16 0 0.00 0.00 - yes Open
2130 60.62519173416365 -0.658992 -22.3718 8 13 0 0.00 0.00 - yes Open
1410 61.20997923312359 -0.953088 -24.7181 9 17 13 0.68 0.60 - yes Open
1415 61.25658247783677 -0.918798 -21.2035 8 16 12 0.63 0.40 - 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 -33.776kcal/mol
Ligand efficiency (LE) -1.0555kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.380
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 434.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.07
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.23kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 131.88kcal/mol
Minimised FF energy 95.66kcal/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.