IL4I1

interleukin 4 induced 1

Summary

This gene encodes a secreted L-amino acid oxidase protein which primarily catabolizes L-phenylalanine and, to a lesser extent, L-arginine. The expression of this gene is induced by the cytokine interleukin 4 in B cells. This gene is also expressed in macrophages and dendritic cells. This protein may play a role immune system escape as it is expressed in tumor-associated macrophages and suppresses T-cell responses. This protein also contains domains thought to be involved in the binding of flavin adenine dinucleotide (FAD) cofactor. Multiple transcript variants encoding different isoforms have been found for this gene. Some transcripts of this gene share a promoter and exons of the 5' UTR with the overlapping NUP62 gene. [provided by RefSeq, Jul 2020]

Known Variants31 total

rsidPosition (GRCh37)AllelesClassClinVar
rs14160178119:50,392,966T/Guncertain significance
rs74634499619:50,392,986G/Auncertain significance
rs14876906319:50,393,019A/Cuncertain significance
rs77019761519:50,393,102G/Tuncertain significance
rs77313407919:50,393,106C/Guncertain significance
rs251470724619:50,393,142C/Tuncertain significance
rs101276290319:50,393,216G/Auncertain significance
rs54163536919:50,393,238C/Tuncertain significance
rs251470836819:50,393,375G/Auncertain significance
rs135599303219:50,393,394C/Tuncertain significance
rs142372611419:50,393,445C/Tuncertain significance
rs207511426619:50,393,519C/Tuncertain significance
rs251470904219:50,393,523C/Tuncertain significance
rs54048024819:50,393,537C/Auncertain significance
rs76425198419:50,393,546G/Auncertain significance
rs74594352819:50,394,235T/Cuncertain significance
rs74796913219:50,394,349C/Tuncertain significance
rs134523819819:50,394,364C/Tuncertain significance
rs77872229619:50,397,554C/Guncertain significance
rs251472102519:50,397,575G/Cuncertain significance
rs121610877719:50,397,637A/Cuncertain significance
rs96793714819:50,397,690G/Tuncertain significance
rs15001611519:50,398,401G/Auncertain significance
rs37039151119:50,399,086C/Tuncertain significance
rs14345912419:50,399,163T/Cuncertain significance
rs75058063319:50,399,242G/Auncertain significance
rs75867741019:50,399,245C/Guncertain significance
rs251472607319:50,399,273G/Tuncertain significance
rs14651234819:50,399,352G/T
rs19303418619:50,399,854C/Tintron variant
rs117356864219:50,404,931A/Cuncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.