Rabbit anti-Human ERAP1 Polyclonal Antibody

Uniprot Id

Q9NZ08

Target Species

Human

Target Name

ERAP1

Target Full Name

Endoplasmic reticulum aminopeptidase 1

Target Function

Aminopeptidase that plays a central role in peptide trimming, a step required for the generation of most HLA class I-binding peptides. Peptide trimming is essential to customize longer precursor peptides to fit them to the correct length required for presentation on MHC class I molecules. Strongly prefers substrates 9-16 residues long. Rapidly degrades 13-mer to a 9-mer and then stops. Preferentially hydrolyzes the residue Leu and peptides with a hydrophobic C-terminus, while it has weak activity toward peptides with charged C-terminus. May play a role in the inactivation of peptide hormones. May be involved in the regulation of blood pressure through the inactivation of angiotensin II and/or the generation of bradykinin in the kidney.

Target Subcellular Location

Endoplasmic reticulum membrane; Single-pass type II membrane protein.

Target Protein Families

Peptidase M1 family

Target Tissue Specificity

Ubiquitous.

Target Synonyms

A LAP; A-LAP; Adipocyte derived leucine aminopeptidase; Adipocyte-derived leucine aminopeptidase; ALAP; Aminopeptidase PILS; Aminopeptidase regulator of TNFR1 shedding; APPILS; ARTS 1; ARTS-1; Arts1; Endoplasmic reticulum aminopeptidase 1; Endoplasmic reticulum aminopeptidase associated with antigen processing; ERAAP; ERAAP1; ERAP 1; Erap1; ERAP1_HUMAN; KIAA0525; kiaa0525 protein; PILS AP; PILS-AP; PILSA; PILSAP; Puromycin insensitive leucyl specific aminopeptidase; Puromycin-insensitive leucyl-specific aminopeptidase; Type 1 tumor necrosis factor receptor shedding aminopeptidase regulator; type 1 tumor necrosis factor receptors shedding aminopeptidase regulator; VEGF-induced aminopeptidase

Target Background

The protein encoded by this gene is an aminopeptidase involved in trimming HLA class I-binding precursors so that they can be presented on MHC class I molecules. The encoded protein acts as a monomer or as a heterodimer with ERAP2. This protein may also be involved in blood pressure regulation by inactivation of angiotensin II. Three transcript variants encoding two different isoforms have been found for this gene.