InnateDB Protein
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IDBP-15844.5
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Last Modified
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2014-10-13 [Report errors or provide feedback]
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Gene Symbol
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NTAN1
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Protein Name
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N-terminal asparagine amidase
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Synonyms
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Species
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Homo sapiens
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Ensembl Protein
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ENSP00000287706
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InnateDB Gene
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IDBG-15842 (NTAN1)
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Protein Structure
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Function |
Side-chain 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 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. {ECO:0000269PubMed:21375249}.
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Subcellular Localization |
Cytoplasm {ECO:0000250}.
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Disease Associations |
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Tissue Specificity |
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Comments |
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Number of Interactions
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This gene and/or its encoded proteins are associated with 0 experimentally validated interaction(s) in this database.
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Molecular Function |
Accession |
GO Term |
GO:0008418
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protein-N-terminal asparagine amidohydrolase activity
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Biological Process |
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Cellular Component |
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PDB ID |
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InterPro |
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PFAM |
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PRINTS |
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PIRSF |
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SMART |
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TIGRFAMs |
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Modification |
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SwissProt |
Q96AB6
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PhosphoSite |
PhosphoSite-Q96AB6
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TrEMBL |
Q658S0
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UniProt Splice Variant |
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Entrez Gene |
123803
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UniGene |
Hs.592045
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RefSeq |
NP_775745
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HUGO |
HGNC:29909
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OMIM |
615367
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CCDS |
CCDS10558
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HPRD |
17649
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IMGT |
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EMBL |
AC138932
AC139256
AF092440
AL833023
BC017336
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GenPept |
AAH17336
AAP97215
CAH56267
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