Binder profile

PPQ

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

Bound to: PA5508 — glutamine synthetase

Via homolog PDB 5zlp UniProt P94845 C5H12NO4P
Mol. weight 181.13 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
PPQ
PDB
5zlp
UniProt (similar protein)
P94845
Target protein
PA5508

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 181.13 Da
LogP (Crippen) -0.31
H-bond donors 3
H-bond acceptors 3
TPSA 100.62 Ų
Rotatable bonds 4
Aromatic rings 0 / 0
Heavy atoms 11
Fraction sp³ C 0.80
Formula C5H12NO4P

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.

Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 181.1
  • LogP ≤ 5 -0.31
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 100.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C[P@](=O)(CC[C@@H](C(=O)O)N)O
InChI 
InChI=1S/C5H12NO4P/c1-11(9,10)3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)(H,9,10)/t4-/m0/s1
InChIKey 
IAJOBQBIJHVGMQ-BYPYZUCNSA-N

Provenance

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

Method
LigQ nearest_k
Source
PDB
Binding sites
PF00120' 'PF03951

External resources

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

Other binders for this protein

Quick navigation to other ligands bound to PA5508.

PDB 8

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

Ligand PDB entry

ZINC 50

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

Compound Similarity (Tanimoto)