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Available structures
PDB Ortholog search: PDBe RCSB
Aliases PADI2, PAD-H19, PAD2, PDI2, peptidyl arginine deiminase 2
External IDs MGI: 1338892 HomoloGene: 7214 GeneCards: PADI2
Gene location (Human)
Human chromosome 1
Chr. Chromosome 1 (human)[1]
Human chromosome 1
Genomic location for PADI2
Genomic location for PADI2
Band No data available Start 17,066,761 bp[1]
End 17,119,435 bp[1]
RNA expression pattern
PBB GE PADI2 209791 at fs.png
More reference expression data
Species Human Mouse
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC) Chr 1: 17.07 – 17.12 Mb Chr 4: 140.91 – 140.95 Mb
PubMed search [3] [4]
View/Edit Human View/Edit Mouse

Protein-arginine deiminase type-2 is an enzyme that in humans is encoded by the PADI2 gene.[5][6]

This gene encodes a member of the peptidyl arginine deiminase family of enzymes, which catalyze the post-translational deimination of proteins by converting arginine residues into citrullines in the presence of calcium ions. The family members have distinct substrate specificities and tissue-specific expression patterns. The type II enzyme is the most widely expressed family member. Known substrates for this enzyme include myelin basic protein in the central nervous system and vimentin in skeletal muscle and macrophages.

This enzyme is thought to play a role in the onset and progression of neurodegenerative human disorders, including Alzheimer disease and multiple sclerosis, and it has also been implicated in glaucoma pathogenesis. This gene exists in a cluster with four other paralogous genes.[6]


  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000117115 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000028927 - Ensembl, May 2017
  3. ^ "Human PubMed Reference:". 
  4. ^ "Mouse PubMed Reference:". 
  5. ^ Watanabe K, Senshu T (Oct 1989). "Isolation and characterization of cDNA clones encoding rat skeletal muscle peptidylarginine deiminase". J Biol Chem. 264 (26): 15255–60. PMID 2768262. 
  6. ^ a b "Entrez Gene: PADI2 peptidyl arginine deiminase, type II". 

Further reading[edit]