CTR1/SLC31A1 Blocking Peptide peptide (STJ503877)

SKU:
STJ503877-250

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Applications: Immunodepletion/Immunocompetition
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: CTR1/SLC31A1 Blocking Peptide is synthetically produced from the 1-100 sequence and is suitable for use in western blot applications.
Formulation: Liquid form at 2.5mg/ml concentration in PBS. Up to 5% DMSO can be added. Orders with >1mg can be supplied in lyophilized powder form, or in buffer of choice.
Storage Instruction: Store at-20°C for long term storage. Avoid freeze-thaw cycles.
Gene Symbol: SLC31A1
Gene ID: 1317
Uniprot ID: COPT1_HUMAN
Immunogen Region: 1-100
Immunogen: N-epitope synthetic peptide taken within amino acid region 1-100 on human High affinity copper uptake protein 1.
Post Translational Modifications O-Glycosylation at Thr-27 protects from proteolytic cleavage in the N-terminal extracellular domain. Proteolytic cleavage, leading to a truncated form, is facilitated by SLC31A2 and initiated preferentially by CTSL and to a minor extend by CTSB in endolysosomal compartments. In vitro, is cleaved by CTSL/cathepsin L between residues 8 and 9 from the amino terminus. A post-CTSL/cathepsin L processing occurs to yield to the fully truncated form. Sulfenylated at Cys-189 after stimulation with VEGFA, which induces SLC31A1-KDR disulfide bond formation and their co-internalization to early endosomes, driving to a sustained VEGFR2 signaling.
Function High affinity copper uptake protein 1: Uniporter that mediates the transport of copper(1+) from the extracellular space to the cytoplasm, across the plasma membrane and delivers directly copper(1+) to specific chaperone such as ATOX1, via a copper(1+)- mediated transient interaction between the C-terminal domain and a copper(1+) chaperone, thus controlling intracellular copper(1+) levels. May function in copper(1+) import from the apical membrane thus may drive intestinal copper absorption. The copper(1+) transport mechanism is sodium-independent, saturable and of high-affinity. Also mediates the uptake of silver(1+). May function in the influx of the platinum-containing chemotherapeutic agents. The platinum-containing chemotherapeutic agents uptake is saturable. In vitro, mediates the transport of cadmium(2+) into cells. Also participates in the first step of copper(2+) acquisition by cells through a direct transfer of copper(2+) from copper(2+) carriers in blood, such as ALB to the N-terminal domain of SLC31A1, leading to copper(2+) reduction and probably followed by copper(1+) stabilization. In addition, functions as a redox sensor to promote angiogenesis in endothelial cells, in a copper(1+) transport independent manner, by transmitting the VEGF-induced ROS signal through a sulfenylation at Cys-189 leadin g to a subsequent disulfide bond formation between SLC31A1 and KDR. The SLC31A1-KDR complex is then co-internalized to early endosomes, driving a sustained VEGFR2 signaling. Truncated CTR1 form: Mobilizes copper(1+) out of the endosomal compartment, making copper(1+) available for export out of the cells.
Peptide Name High Affinity Copper Uptake Protein 1
Copper Transporter 1
Hctr1
Solute Carrier Family 31 Member 1 Cleaved Into - Truncated Ctr1 Form
Database Links Reactome: R-HSA-425410
Cellular Localisation Cell Membrane
Multi-Pass Membrane Protein
Early Endosome Membrane
Recycling Endosome Membrane
Apical Cell Membrane
Late Endosome Membrane
Basolateral Cell Membrane
The Localization Is Controlled By The Intra And Extra-Cellular Copper Concentration
Under Conditions Of Elevated Extracellular Copper Concentrations
It Is Rapidly Internalized By Endocytosis From The Plasma Membrane By A Clathrin- And Dynamin-Mediated Process And Degradated In Order To Prevent Intracellular Copper Accumulation And To Reduce The Transport Of The Copper Across The Membrane
The Internalized Slc31a1 Is Then Localized In Early Endosomes
And
Upon A Low Extracellular Copper Concentrations
It Is Transported Back To The Plasma Membrane In A Rab11a-Dependent Recycling Pathway
Localizes To The Apical Membrane In Intestinal Epithelial Cells
Mainly Localized On The Basolateral Side Of Renal Tubular Cells
Localizes To The Neuronal Cell Body Plasma Membranes
Alternative Peptide Names High Affinity Copper Uptake Protein 1 protein
Copper Transporter 1 protein
Hctr1 protein
Solute Carrier Family 31 Member 1 Cleaved Into - Truncated Ctr1 Form protein
SLC31A1 protein
COPT1 protein
CTR1 protein

Information sourced from Uniprot.org

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