Recombinant Human Band 3 Anion Transport Protein (SLC4A1) Protein (His&Myc)

Name: Recombinant Human Band 3 Anion Transport Protein (SLC4A1) Protein (His&Myc)
Brand: Beta LifeScience
SKU: BLC-02192P
Price: 240.0 USD
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of this product could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) SLC4A1.

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100ug

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Product Overview

Description	Recombinant Human Band 3 Anion Transport Protein (SLC4A1) Protein (His&Myc) is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P02730
Target Symbol	SLC4A1
Synonyms	AE 1; AE1; Anion exchange protein 1; Anion exchanger 1; B3AT_HUMAN; Band 3 anion transport protein; Band 3; BND3; CD233; DI; Diego blood group; EMPB3; EPB3; Erythrocyte membrane protein band 3; Erythroid anion exchange protein; FR; Froese blood group; RTA1A; SLC4A1; Solute carrier family 4 anion exchanger member 1; Solute carrier family 4 member 1; SW; Swann blood group; Waldner blood group; WD; WD1; WR; Wright blood group
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-10His&C-Myc
Target Protein Sequence	MEELQDDYEDMMEENLEQEEYEDPDIPESQMEEPAAHDTEATATDYHTTSHPGTHKVYVELQELVMDEKNQELRWMEAARWVQLEENLGENGAWGRPHLSHLTFWSLLELRRVFTKGTVLLDLQETSLAGVANQLLDRFIFEDQIRPQDREELLRALLLKHSHAGELEALGGVKPAVLTRSGDPSQPLLPQHSSLETQLFCEQGDGGTEGHSPSGILEKIPPDSEATLVLVGRADFLEQPVLGFVRLQEAAELEAVELPVPIRFLFVLLGPEAPHIDYTQLGRAAATLMSERVFRIDAYMAQSRGELLHSLEGFLDCSLVLPPTDAPSEQALLSLVPVQRELLRRRYQSSPAKPDSSFYKGLDLNGGPDDPLQQTGQLFGGLVRDIRRRYPYYLSDITDAFSP
Expression Range	1-403aa
Protein Length	Partial
Mol. Weight	50.3kDa
Research Area	Cardiovascular
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	Functions both as a transporter that mediates electroneutral anion exchange across the cell membrane and as a structural protein. Major integral membrane glycoprotein of the erythrocyte membrane; required for normal flexibility and stability of the erythrocyte membrane and for normal erythrocyte shape via the interactions of its cytoplasmic domain with cytoskeletal proteins, glycolytic enzymes, and hemoglobin. Functions as a transporter that mediates the 1:1 exchange of inorganic anions across the erythrocyte membrane. Mediates chloride-bicarbonate exchange in the kidney, and is required for normal acidification of the urine.
Subcellular Location	Cell membrane; Multi-pass membrane protein. Basolateral cell membrane; Multi-pass membrane protein.
Protein Families	Anion exchanger (TC 2.A.31) family
Database References	HGNC: 11027 OMIM: 109270 KEGG: hsa:6521 STRING: 9606.ENSP00000262418 UniGene: PMID: 29240292 we show that stomatin modulates the transport activity of AE1 through a direct protein-protein interaction. PMID: 28387307 SLC4A1 is the most common defective gene in Korean children with Distal Renal Tubular Acidosis. Patients with SLC4A1 mutations show later onset and milder disease severity. Long-term follow-up of hearing ability, renal function, and growth is necessary for patients with dRTA. PMID: 29627839 this study shows functional importance of PDLIM5 for proper kAE1 membrane residency, as a crucial linker between kidney AE1 and actin cytoskeleton-associated proteins in polarized cells PMID: 28045035 The patient was triply homozygous for the loss-of-function mutation, c.2102G>A (p.Gly701Asp) as well as for two benign variations, c.92T>C (p.Met31Thr) and c.166A>C (p.Lys56Glu). PMID: 29573245 The promoter regions of the kidney anion exchanger 1 gene with the minor allele A at rs999716 downstream of the TATA box showed reduced promoter activities compared that with the major allele G. PMID: 27767102 Here, we present the 4.1-A resolution crystal structure of Arabidopsis thaliana Bor1. The structure displays a dimeric architecture in which dimerization is mediated by centralized Gate domains. Comparisons with a structure of Band 3 in an outward-open state reveal that the Core domains of Bor1 have rotated inwards to achieve an occluded state. PMID: 27601653 function of AQP1 in tonicity response could be coupled or correlated to its function in band 3-mediated CO2/HCO3(-) exchange PMID: 28596233 Results from zero-length chemical crosslinking of erythrocyte membranes, homology modeling, and known domain structures allow to deduce a structure for full-length of SLC4A1. Interaction between AE1 dimers and ankyrin-1 indicate the likely topology for AE1 tetramers and suggest that ankyrin-1 wraps around AE1 tetramers, which may stabilize this oligomer state. PMID: 27989623 The aim of this work was to analyze the prevalence of genetic defects in SLC4A1, ATP6V0A4, and ATP6V1B1 genes and to assess the clinical phenotype of distal renal tubular acidosis patients that are eventually typical of the different genetic forms of the disease. PMID: 28233610 These results suggested the possible involvement of Band3 in the transport of Sphingosine 1-phosphate, a multi-functional bioactive phospholipid, from erythrocytes. PMID: 28494002 the results of the present study suggest that the diffuse expression of AE1 is related to a worse prognosis in patients with advanced esophageal squamous cell carcinoma, and that it regulates tumor progression by affecting MAPK and Hedgehog signaling pathways. These results provide an insight into the role of AE1 as a mediator of and/or a biomarker for esophageal squamous cell carcinoma. PMID: 28160546 study reports the R589H mutation in SLC4A1 gene in families with hereditary distal renal tubular acidosis for the first time in China PMID: 28407820 Forced FOG1 protein expression in K562 erythroleukemia cells induced the expression of SLC4A1 protein, but repressed that of transcription factor PU.1. PMID: 28216155 Nonsense mutation in exon 12 of SLC4A1 gene is associated with severe hemolytic anemia, dyserythropoiesis and complete distal renal tubular acidosis. PMID: 27718309 While weak interactions between glycophorin and band 3 undoubtedly exist, glycophorin A and band 3 must have separate interactions in the membrane that control their lateral mobility. PMID: 27580023 three merozoite proteins (PvTRAg36, PvATRAg74, and PvTRAg38) of this family interact with Band 3 on human erythrocytes through its three exofacial loops. PMID: 27545606 with exacerbation of the oxidative stress during vaso-occlusive crises in sickle cell anaemia patients, the higher concentration of harmful circulating RBC-derived microparticles and the reduced anti-band 3 autoantibodies levels may be both related to the recruitment of oxidized band 3 into membrane aggregates. PMID: 27984639 We propose that, in polarized renal epithelial cells, the apically mistargeted kAE1 R901X mutant is endocytosed faster than kAE1 WT and its recycling to the basolateral membrane is delayed. This resets the equilibrium, such that kAE1 R901X resides predominantly in an endomembrane compartment, thereby likely participating in development of dRTA disease. PMID: 26984737 The conformational dynamics of signal-anchor transmembrane segment 1 of SLC4A1 protein of the Southeast Asian ovalocytosis red blood cells has been reported. PMID: 28068080 Data indicate that the interaction of Zn(2+) ion with His-651 residue of band 3 plays an important role in the Zn(2+)-induced agglutination of erythrocytes. PMID: 26859120 Syk inhibitor suppressed the phosphorylation of band 3 also preventing serine phosphorylation changes and hemolysis. PMID: 27034738 The evolutionary origin of Southeast Asian Ovalocytosis, characterizing DNA sequence variation around the causal mutation in the SLC4A1 gene. PMID: 26047685 This study is considered as a pilot study showing the importance of AE1 mutations in Iranian children with DRTA. PMID: 25957428 The authors demonstrate that the initial vacuolar membrane around internalized Babesia divergens is formed from protein and lipid components of the red blood cells plasma membrane, including band 3, glycophorin A and spectrin. PMID: 25628009 this study reports the crystal structure of the band 3 anion exchanger domain (AE1(CTD)) at 3.5 angstroms. PMID: 26542571 Deficiency in Band 3 is associated with Hereditary Spherocytosis. PMID: 25344524 Results indicate that Tryptophan residues play differential roles in AE1 expression and function depending on their location in the protein and that Trp mutants with low expression are misfolded and retained in the endoplasmic reticulum. PMID: 25257781 Kidney AE1 actually associates with epithelial ankyrin-G and renal ammonium transporter RhBG, which also binds ankyrin-G. PMID: 25616663 Activities of AE1 and the sodium pump are coregulated in kidney. PMID: 25012180 The study reports the refinement for a protein heterodimer complex using limited EPR spectroscopic data and a rigid-body docking algorithm: a three-dimensional model for an ankyrin 1-BND3 complex. PMID: 24758720 Partial pyruvate kinase deficiency aggravates the phenotypic expression of band 3 deficiency in a family with hereditary spherocytosis. PMID: 25388786 kidney AE1 G701D mutant which accumulates predominantly in the Golgi and partially in the endoplasmic reticulum, is prematurely degraded by the lysosome and the proteasome. PMID: 24920676 In 12% of our thalassemia major patients, we found two bands in the agarose gel-electrophoresis of PCR products from band 3 gene with a difference of 65 +/- 10 bp, equivalent to a deletion of 20 to 25 amino acids in band 3 protein. PMID: 24964668 Stopped-flow led to measurement of rapid transport kinetics using the natural substrate for AE1. PMID: 23842529 A substrate access tunnel in the cytosolic domain is not an essential feature of the solute carrier 4 (SLC4) family of bicarbonate transporters. PMID: 24121512 SLC4A1 gene was a poor candidate for screening as our patients presented severe metabolic acidosis early in life. PMID: 24252324 analysis of anion exchanger 1 (SLC4A1) transmembrane segments that form the transport site PMID: 23846695 A heterozygous SLC4A1(E508K) mutation (gene encoding erythrocyte membrane protein band 3) was found. PMID: 23878048 Trafficking of intracellularly retained distal renal tubular acidosis kAE1 mutants can be partially restored. PMID: 23460825 Study developed a three-dimensional homology model of the AE1 membrane domain, using the Escherichia coli ClC channel structure as a template and conclude that AE1 has a similar protein fold to ClC chloride channels. PMID: 23583773 description of 15 previously unknown mutations in SLC4A1 in hereditary spherocytosis patients; this genetic association study was conducted in the Netherlands [LETTER] PMID: 23255290 The level of band 3 protein was positively correlated with physical activity and negatively correlated with systolic blood pressure. PMID: 21695904 Deoxygenation of erythrocytes results in displacement of ankyrin from band 3 in the cytoskeleton. PMID: 23013433 Results suggest that mutations in this gene cause morphological changes in erythrocytes and these may afford some protection against malaria PMID: 22919024 Residues 63-73 of cdB3 is also essential for ankyrin binding. PMID: 22861190 1st report of distal renal tubular acidosis patients with compound heterozygous conditions in mainland China. 2 novel SLC4A1 mutations (G494S & D905dup) were identified. PMID: 22609520 There is evidence that Southeast Asian ovalocytosis (SAO) erythrocytes are resistant to multiple Plasmodium species. Here we analyze SLC4A1 in 23 primates and mammals to test for differential selective pressures among different primate lineages. PMID: 22426110 Mutation conferring apical-targeting motif on AE1 exchanger causes autosomal dominant distal renal tubular acidosis. PMID: 22518001 a thiol-mediated and energy-dependent membrane transport of selenium by erythroid anion exchanger 1 PMID: 22580993

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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.

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Recombinant Human Band 3 Anion Transport Protein (SLC4A1) Protein (His&Myc)

Recombinant Human Band 3 Anion Transport Protein (SLC4A1) Protein (His&Myc)

Product Overview

Target Details

FAQs