Background: Gremlin, also known as Increased in High Glucose protein 2 (IHG-2) and Down-regulated in Mos-transformed cells protein (Drm), is a 28 kDa member of the Dan family of secreted glycoproteins . Human Gremlin is synthesized as a 184 amino acid (aa) precursor that contains a 24 aa signal sequence and a 160 aa mature region (SwissProt # O60565). The mature region contains one potential site for N-linked glycosylation (Asn 42), a cysteine-rich region, and a cysteine-knot motif (aa 94184) whose structure is shared by members of the TGF-beta superfamily. Post-translational modifications include glycosylation and phosphorylation (3). Gremlin exists in both secreted and membrane-associated forms. There are two isoforms for human Gremlin. Isoform 1 is the standard protein, and in isoform 2, there is a deletion of aa 3979. Human Gremlin shares 99% and 86% aa sequence identity with mouse and chick Gremlin, respectively. Northern blot analysis shows that Gremlin mRNA is highly expressed in the small intestine, fetal brain and colon, and weakly expressed in adult brain, ovary, prostate, pancreas and skeletal muscle. Funtion: Cytokine that may play an important role during carcinogenesis and metanephric kidney organogenesis, as a BMP antagonist required for early limb outgrowth and patterning in maintaining the FGF4-SHH feedback loop. Down-regulates the BMP4 signaling in a dose-dependent manner. Acts as inhibitor of monocyte chemotaxis. Tissue specificity： Highly expressed in small intestine, fetal brain and colon. Expression is restricted to intestinal subepithelial myofibroblasts (ISEMFs) at the crypt base. In subjects with HMPS1, by contrast, GREM1 is expressed, not only in basal ISEMFs, but also at very high levels in epithelial cells (predominantly colonocytes), with expression extending most of the way up the sides of the crypt. Weakly expressed in brain, ovary, prostate, pancreas and skeletal muscle. In brain found in the region localized around the internal capsule in the large subcortical nuclei, including caudate, putamen, substantia nigra, thalamus and subthalamus. Predominantly expressed in normal cells including neurons, astrocytes and fibroblasts.
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Recombinant Human Gremlin 1 Protein
CAS number：unknown molecular formula：
overview
compound introduction
Specs
| Chinese alias | Gremlin 1蛋白(GREM1)重组蛋白 | 重组人类 Gremlin 1 蛋白 | ||
| English alias | Cell proliferation-inducing gene 2 protein | CKTSF1B1gremlin 1, cysteine knot superfamily, homolog | Cysteine knot superfamily 1, BMP antagonist 1gremlin 1, cysteine knot superfamily, homolog (Xenopus laevis) | DAN domain family member 2 | DAND2 | DAND2GR | ||
| CAS number | unknown | molecular formula | |
| molecular weight | - | Exact mass | 无载体 |
| PSA | - | logp | - |
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