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Overview

Uniprot IDP55008
Protein NameAllograft inflammatory factor 1
Gene NameAIF1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
11 TRDLQGGKAFGLLKA
140 KPTGPPAKKAISELP

Function

Actin-binding protein that enhances membrane ruffling and RAC activation. Enhances the actin-bundling activity of LCP1. Binds calcium. Plays a role in RAC signaling and in phagocytosis. May play a role in macrophage activation and function. Promotes the proliferation of vascular smooth muscle cells and of T-lymphocytes. Enhances lymphocyte migration. Plays a role in vascular inflammation

Protein Sequence

10 MSQTRDLQGG 20 KAFGLLKAQQ 30 EERLDEINKQ 40 FLDDPKYSSD 50 EDLPSKLEGF 60 KEKYMEFDLN 70 GNGDIDIMSL 80 KRMLEKLGVP 90 KTHLELKKLI 100 GEVSSGSGET 110 FSYPDFLRMM 120 LGKRSAILKM 130 ILMYEEKARE 140 KEKPTGPPAK KAISELP

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005884 actin filament
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0030027 lamellipodium
Cellular Component GO:0005634 nucleus
Cellular Component GO:0048471 perinuclear region of cytoplasm
Cellular Component GO:0001891 phagocytic cup
Cellular Component GO:0001726 ruffle
Cellular Component GO:0032587 ruffle membrane
Molecular Function GO:0051015 actin filament binding
Molecular Function GO:0005509 calcium ion binding
Biological Process GO:0051764 actin crosslink formation
Biological Process GO:0051017 actin filament bundle assembly
Biological Process GO:0030041 actin filament polymerization
Biological Process GO:0034599 cellular response to oxidative stress
Biological Process GO:0071346 cellular response to type II interferon
Biological Process GO:0006954 inflammatory response
Biological Process GO:0001774 microglial cell activation
Biological Process GO:0071672 negative regulation of smooth muscle cell chemotaxis
Biological Process GO:0048662 negative regulation of smooth muscle cell proliferation
Biological Process GO:0030046 parallel actin filament bundle assembly
Biological Process GO:0006911 phagocytosis, engulfment
Biological Process GO:0030335 positive regulation of cell migration
Biological Process GO:0008284 positive regulation of cell population proliferation
Biological Process GO:0032722 positive regulation of chemokine production
Biological Process GO:0050921 positive regulation of chemotaxis
Biological Process GO:0090271 positive regulation of fibroblast growth factor production
Biological Process GO:1900087 positive regulation of G1/S transition of mitotic cell cycle
Biological Process GO:0032755 positive regulation of interleukin-6 production
Biological Process GO:0090026 positive regulation of monocyte chemotaxis
Biological Process GO:0071677 positive regulation of mononuclear cell migration
Biological Process GO:0071673 positive regulation of smooth muscle cell chemotaxis
Biological Process GO:0048661 positive regulation of smooth muscle cell proliferation
Biological Process GO:2000406 positive regulation of T cell migration
Biological Process GO:0042102 positive regulation of T cell proliferation
Biological Process GO:0016601 Rac protein signal transduction
Biological Process GO:0010468 regulation of gene expression
Biological Process GO:0097178 ruffle assembly

Reference

[1] Lin Y, Chen M, Wang D, Yu Y, Chen R et al.. Multi-Proteomic Analysis Reveals the Effect of Protein Lactylation on Matrix and Cholesterol Metabolism in Tendinopathy.. J Proteome Res 22(6):1712-1722. 2023 Jun 2. PMID: 37159428.

[2] Shi CM, Wang QC, Li XL, Yang YH, Tang XY et al.. Global Profiling of Protein Lactylation in Human Hippocampi.. Proteomics Clin Appl 19(2):e202400061. 2025 Mar. PMID: 39610256.