Recombinant Human GGCT Protein (N-6His)

Name: Recombinant Human GGCT Protein (N-6His)
Brand: Beta LifeScience
SKU: BL-1279NP
Availability: InStock

BL-1279NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Collections: High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Human Gamma-Glutamylcyclotransferase is produced by our E.coli expression system and the target gene encoding Met1-Leu188 is expressed with a 6His tag at the N-terminus.
Accession	O75223
Synonym	Gamma-Glutamylcyclotransferase; Cytochrome C-Releasing Factor 21; GGCT; C7orf24; CRF21
Gene Background	Human Υ-Glutamylcyclotransferase belongs to the Transferases family, specifically the Aminoacyltransferase. Gamma-Glutamylcyclotransferase catalyzes the formation of 5-Pxoproline from Gamma-Glutamyl Dipeptides. It plays an important role in Glutathione Homeostasis. Gamma-Glutamylcyclotransferase induces the release of Cytochrome C from the mitochondria resulting in the induction of apoptosis.
Molecular Mass	23.17 KDa
Apmol Mass	23 KDa, reducing conditions
Formulation	Supplied as a 0.2 μm filtered solution of 20mM Tris-HCl, pH 8.0.
Endotoxin	Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity	Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Biological Activity	Not tested
Reconstitution
Storage	Store at ≤-70°C, stable for 6 months after receipt. Store at ≤-70°C, stable for 3 months under sterile conditions after opening. Please minimize freeze-thaw cycles.
Shipping	The product is shipped on dry ice/polar packs. Upon receipt, store it immediately at the temperature listed below.
Usage	For Research Use Only

Target Details

Target Function	Catalyzes the formation of 5-oxoproline from gamma-glutamyl dipeptides and may play a significant role in glutathione homeostasis. Induces release of cytochrome c from mitochondria with resultant induction of apoptosis.
Protein Families	Gamma-glutamylcyclotransferase family
Database References	HGNC: 21705 OMIM: 137170 KEGG: hsa:79017 STRING: 9606.ENSP00000275428 UniGene: Hs.530024

Gene Functions References

GGCT is highly upregulated in HGSC tissues and associated with FIGO stage, lymph node metastasis and ascitic fluid volume. High expression of GGCT is associated with poor survival in HGSC patients. PMID: 29429592
Taken together, the results indicate that PHB2 plays a central role in p21 upregulation following GGCT knockdown and as such may promote deregulated proliferation of cancer cells by suppressing p21. PMID: 29307834
GGCT plays a critical role in glioma cell proliferation and may be a potential cancer therapeutic target. PMID: 26828272
GGCT is promising as a diagnostic marker and a therapeutic target for various cancers. This review summarizes these interesting findings. PMID: 26339607
G6PD, GGCT, IDH1, isocitrate dehydrogenase 2 (NADP+,mitochondrial) (IDH2) and glutathione S-transferase pi 1(GSTP1), five of the critical components of GSH pathway, contribute to chemoresistance. PMID: 25818003
GGCT plays a critical role in lung cancer cell proliferation. PMID: 25941902
Transcriptional silencing of the C7orf24 gene in the non-malignant cells is elicited through heterochromatin formation in its promoter region. PMID: 23853312
increased expression of GGCT was a common event among invasive esophageal squamous cell carcinoma tissues regardless of the depth of invasion. Lymph node metastasis and tumor differentiation correlated with GGCT expression PMID: 24342434
C7orf24 has been recognized as a potent marker for bladder and breast cancers. Studies on the role of gamma-glutamylcyclotransferace may aid in the control of malignant transformation of these cancers. PMID: 23513927
GGCT may be a biomarker of tumors in a limited range of organs. PMID: 22205682
C7orf24 overexpression defines a subgroup of breast tumors with poor clinical outcome. PMID: 20527979
CRF21 might play an important role in the induction of apoptosis by GGO in leukemia U937 cells. PMID: 16765912
presence of extra electron density/ligands and conservation at the sequence and structure levels, it is likely that the cavity has a crucial role in the function of LOC79017 and its structural neighbors possibly as an active site or ligand-binding site PMID: 17932939
The GGCT gene is located on chromosome 7p14-15 and consists of four exons that span 8 kb, the primary sequence is 188 amino acids in length and is unlike any protein of known function PMID: 18515354

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.