Ligand profile

2PH

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

Bound to: KP13_03124 — Dihydropteroate synthase type-1

Via homolog PDB 1aj2 UniProt P0AC13 Formula C₇H₁₁N₅O₈P₂
Mol. weight 355.14 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
2PH
PDB
1aj2
UniProt (similar protein)
P0AC13
Target protein
KP13_03124

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 355.14 Da
LogP (Crippen) -0.92
H-bond donors 6
H-bond acceptors 9
TPSA 209.45 Ų
Rotatable bonds 5
Aromatic rings 1 / 2
Heavy atoms 22
Fraction sp³ C 0.29
Formula C₇H₁₁N₅O₈P₂

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 209.4
  • −1 ≤ LogP ≤ 5 -0.92
Lipinski's Rule of Five Pass 1 violation
  • MW ≤ 500 Da 355.1
  • LogP ≤ 5 -0.92
  • H-bond donors ≤ 5 6
  • H-bond acceptors ≤ 10 9
Veber's rules Fail
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 209.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C1C(=NC2=C(N1)N=C(NC2=O)N)CO[P@@](=O)(O)OP(=O)(O)O
InChI 
InChI=1S/C7H11N5O8P2/c8-7-11-5-4(6(13)12-7)10-3(1-9-5)2-19-22(17,18)20-21(14,15)16/h1-2H2,(H,17,18)(H2,14,15,16)(H4,8,9,11,12,13)
InChIKey 
FCQGJGLSOWZZON-UHFFFAOYSA-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
PF00809

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_03124.

PDB 46

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

Ligand PDB entry

ChEMBL 26

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)