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Tbio
NTAN1
Protein N-terminal asparagine amidohydrolase

Protein Summary
Description
N-terminal asparagine deamidase that mediates deamidation of N-terminal asparagine residues to aspartate. Required for the ubiquitin-dependent turnover of intracellular proteins that initiate with Met-Asn. These proteins are acetylated on the retained initiator methionine and can subsequently be modified by the removal of N-acetyl methionine by acylaminoacid hydrolase (AAH). Conversion of the resulting N-terminal asparagine to aspartate by NTAN1/PNAD renders the protein susceptible to arginylation, polyubiquitination and degradation as specified by the N-end rule. This enzyme does not act on substrates with internal or C-terminal asparagines and does not act on glutamine residues in any position, nor on acetylated N-terminal peptidyl Asn. The protein encoded by this gene functions in a step-wise process of protein degradation through the N-end rule pathway. This protein acts as a tertiary destabilizing enzyme that deamidates N-terminal L-Asn residues on proteins to produce N-terminal L ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000287706
  • ENSP00000287706
  • ENSG00000157045
  • ENST00000620176
  • ENSP00000484380
  • ENSG00000275779

Symbol
  • PNAA
  • PNAD
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
disease perturbation
1
kinase perturbation
0.99
transcription factor perturbation
0.88
histone modification site profile
0.82
cell type or tissue
0.75


Protein Classes
IDG Development Level Summary
Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 132.07   (req: < 5)
Gene RIFs: 2   (req: <= 3)
Antibodies: 83   (req: <= 50)
Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 132.07   (req: >= 5)
Gene RIFs: 2   (req: > 3)
Antibodies: 83   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 4
Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligand: 0
Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0