Recombinant Human Polyadenylate-Binding Protein-Interacting Protein 1 (PAIP1) Protein (His&Myc)

Name: Recombinant Human Polyadenylate-Binding Protein-Interacting Protein 1 (PAIP1) Protein (His&Myc)
Brand: Beta LifeScience
SKU: BLC-07594P
Availability: InStock

Greater than 85% as determined by SDS-PAGE.

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Product Overview

Description	Recombinant Human Polyadenylate-Binding Protein-Interacting Protein 1 (PAIP1) Protein (His&Myc) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 85% as determined by SDS-PAGE.
Uniprotkb	Q9H074
Target Symbol	PAIP1
Synonyms	(PABP-interacting protein 1)(PAIP-1)(Poly(A)-binding protein-interacting protein 1)
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-10His&C-Myc
Target Protein Sequence	MSDGFDRAPGAGRGRSRGLGRGGGGPEGGGFPNGAGPAERARHQPPQPKAPGFLQPPPLRQPRTTPPPGAQCEVPASPQRPSRPGALPEQTRPLRAPPSSQDKIPQQNSESAMAKPQVVVAPVLMSKLSVNAPEFYPSGYSSSYTESYEDGCEDYPTLSEYVQDFLNHLTEQPGSFETEIEQFAETLNGCVTTDDALQELVELIYQQATSIPNFSYMGARLCNYLSHHLTISPQSGNFRQLLLQRCRTEYEVKDQAAKGDEVTRKRFHAFVLFLGELYLNLEIKGTNGQVTRADILQVGLRELLNALFSNPMDDNLICAVKLLKLTGSVLEDAWKEKGKMDMEEIIQRIENVVLDANCSRDVKQMLLKLVELRSSNWGRVHATSTYREATPENDPNYFMNEPTFYTSDGVPFTAADPDYQEKYQELLEREDFFPDYEENGTDLSGAGDPYLDDIDDEMDPEIEEAYEKFCLESERKRKQ
Expression Range	1-479aa
Protein Length	Full Length
Mol. Weight	61.0 kDa
Research Area	Epigenetics And Nuclear Signaling
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	Acts as a coactivator in the regulation of translation initiation of poly(A)-containing mRNAs. Its stimulatory activity on translation is mediated via its action on PABPC1. Competes with PAIP2 for binding to PABPC1. Its association with EIF4A and PABPC1 may potentiate contacts between mRNA termini. May also be involved in translationally coupled mRNA turnover. Implicated with other RNA-binding proteins in the cytoplasmic deadenylation/translational and decay interplay of the FOS mRNA mediated by the major coding-region determinant of instability (mCRD) domain.; (Microbial infection) Upon interaction with SARS coronavirus SARS-CoV NSP3 protein, plays an important role in viral protein synthesis.
Subcellular Location	Cytoplasm.
Database References	HGNC: 16945 OMIM: 605184 KEGG: hsa:10605 STRING: 9606.ENSP00000302768 UniGene: Hs.482038

Gene Functions References

Results showed that mRNA and protein expression of PAIP1, a miRNA-340 target gene, were down-regulated in women with gestational diabetes. PMID: 29358694
Data provide evidence that the stability of Paip1 can be regulated by ubiquitin-mediated degradation, thus highlighting the importance of WWP2 as a suppressor of translation. PMID: 25266661
The Paip1-eIF3 interaction is impaired by the mTORC1 inhibitors. PMID: 24396066
the crystal structure of the middle domain of Paip1 isoform 2 (Paip1M) as determined by single-wavelength anomalous dispersion phasing is reported. PMID: 21539810
Paip1 is translational activator in 5' cap-dependent translation by interacting with PABP & initiation factors eIF4A & eIF3. Crystallization & preliminary diffraction analysis of middle domain of Paip1 gives crystals that diffract to resolution of 2.2 A. PMID: 19851022
Paip1 interacts with poly(A) binding protein through two independent binding motifs. PMID: 11997512
eIF3-Paip1 stabilizes the interaction between PABP and eIF4G, which brings about the circularization of the mRNA. PMID: 18725400

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.