Binder profile

HHA

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

Bound to: PA1904 — trans-2,3-dihydro-3-hydroxyanthranilate isomerase

Via homolog PDB 1u1x UniProtQ51792 C7H9NO3
Mol. weight 155.15 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
HHA
PDB
1u1x
UniProt (similar protein)
Q51792
Target protein
PA1904

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 155.15 Da
LogP (Crippen) -0.74
H-bond donors 3
H-bond acceptors 3
TPSA 83.55 Ų
Rotatable bonds 1
Aromatic rings 0 / 1
Heavy atoms 11
Fraction sp³ C 0.29
Formula C7H9NO3

Drug-likeness

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

Permeability proxy High

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 155.2
  • LogP ≤ 5 -0.74
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 1
  • TPSA ≤ 140 Ų 83.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
C1=C[C@@H]([C@H](C(=C1)C(=O)O)N)O
InChI
InChI=1S/C7H9NO3/c8-6-4(7(10)11)2-1-3-5(6)9/h1-3,5-6,9H,8H2,(H,10,11)/t5-,6-/m0/s1
InChIKey
XBTXTLKLSHACSS-WDSKDSINSA-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
PF02567

External resources

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

Other binders for this protein

Quick navigation to other ligands bound to PA1904.

PDB 4

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)