Ligand profile

XAM

Ligand co-crystallized with a similar protein (Protein Data Bank).

Bound to: KP13_00051 — DNA gyrase subunit B

Via homolog PDB 4urm UniProt P0A0K8 Formula C₄₄H₆₀Cl₂N₄O₁₄
Mol. weight 939.88 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
XAM
PDB
4urm
UniProt (similar protein)
P0A0K8
Target protein
KP13_00051

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 939.88 Da
LogP (Crippen) 4.17
H-bond donors 6
H-bond acceptors 14
TPSA 258.50 Ų
Rotatable bonds 12
Aromatic rings 1 / 6
Heavy atoms 64
Fraction sp³ C 0.66
Formula C₄₄H₆₀Cl₂N₄O₁₄

Drug-likeness

Descriptor-based ADME screening flags from SMILES. These are not experimental toxicity results.

Permeability proxy Check

Estimated from TPSA and LogP only: TPSA ≤ 90 Ų and −1 ≤ LogP ≤ 5 are treated as a favorable small-molecule permeability screen.

  • TPSA ≤ 90 Ų 258.5
  • −1 ≤ LogP ≤ 5 4.17
Lipinski's Rule of Five Fail 3 violations
  • MW ≤ 500 Da 939.9
  • LogP ≤ 5 4.17
  • H-bond donors ≤ 5 6
  • H-bond acceptors ≤ 10 14
Veber's rules Fail
  • Rotatable bonds ≤ 10 12
  • TPSA ≤ 140 Ų 258.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1c(c(c([nH]1)C(=O)N[C@@H](C)[C@@]2(C[C@@H](O[C@@H]([C@H]2O)C)O[C@@H]3CCC(=C)[C@H]4[C@H]3C=C[C@@H]([C@@H]4C(=O)C5=C([C@@H](N(C5=O)[C@H]6[C@@H]([C@@H]([C@@H]([C@@H](O6)C)OC(=O)N)OC(=O)C)OC)C(C)C)O)C)O)Cl)Cl
InChI 
InChI=1S/C44H60Cl2N4O14/c1-16(2)33-35(53)29(41(56)50(33)42-38(59-10)37(62-23(9)51)36(20(6)61-42)64-43(47)57)34(52)28-18(4)11-13-24-25(14-12-17(3)27(24)28)63-26-15-44(58,39(54)21(7)60-26)22(8)49-40(55)32-31(46)30(45)19(5)48-32/h11,13,16,18,20-22,24-28,33,36-39,42,48,53-54,58H,3,12,14-15H2,1-2,4-10H3,(H2,47,57)(H,49,55)/t18-,20-,21+,22-,24-,25+,26-,27-,28-,33-,36+,37+,38+,39+,42+,44+/m0/s1
InChIKey 
QOFXLOGWNULKEG-FHIRBROQSA-N

Provenance

Annotation context from LigQ_2, the internal Target step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ nearest_k
Source
PDB
Binding sites
PF02518

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other ligands for this protein

Quick navigation to other ligands bound to KP13_00051.

PDB 87

Ligands co-crystallized with this protein (structural evidence).

Ligand PDB entry

ChEMBL 100

Compounds with measured inhibitory activity on this target (higher pchembl = more potent).

Compound Potency (pchembl)

ZINC 50

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)