Immunogen sequence: ANDITQSLTG KGNDSEEEMR FQEVFMEHMS NMEKRIQHIL DMEANLMDTE HFQNFSMTTD QRFNDILLQL STLFSSVQGH GNAIDEISKS LISLNTTLLD LQLNIENLNG KIQENTFKQQ EEISKLEERV YNVSAEIMAM KEEQVHLEQE IKGEVKVLNN ITNDLRLKDW EHSQTLRNIT LIQGP
Positive Samples: PC-3, HUVEC, U-937, 293T, Mouse liver, Mouse testis; Cellular Location: Membrane, Single-pass type II membrane protein
CD204 gene encodes the class A macrophage scavenger receptors, which include three different types (1, 2, 3) generated by alternative splicing of this gene. These receptors or isoforms are macrophage-specific trimeric integral membrane glycoproteins and have been implicated in many macrophage-associated physiological and pathological processes including atherosclerosis, Alzheimer's disease, and host defense. The isoforms type 1 and type 2 are functional receptors and are able to mediate the endocytosis of modified low density lipoproteins (LDLs). The isoform type 3 does not internalize modified LDL (acetyl-LDL) despite having the domain shown to mediate this function in the types 1 and 2 isoforms. It has an altered intracellular processing and is trapped within the endoplasmic reticulum, making it unable to perform endocytosis. The isoform type 3 can inhibit the function of isoforms type 1 and type 2 when co-expressed, indicating a dominant negative effect and suggesting a mechanism for regulation of scavenger receptor activity in macrophages. Diseases associated with MSR1 include Barrett Esophagus and Prostate Cancer.
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Protein Aliases: CD204; Macrophage acetylated LDL receptor I and II; macrophage scavenger receptor type III; Macrophage scavenger receptor types I and II; Scavenger receptor class A member 1; scavenger receptor class A, member 1; Scavenger receptor type A; SR-A; SR-AI/II
Gene Aliases: CD204; MRS-A; MSR; MSR-A; MSR1; phSR1; phSR2; RGD1564316; SCARA1; Scvr; SR-A; SR-AI; SR-AII; SRA
UniProt ID: (Human) P21757, (Mouse) P30204
Entrez Gene ID: (Human) 4481, (Rat) 498638, (Mouse) 20288
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