EIF4H, Recombinant, Human, aa1-248, His-Tag (Eukaryotic Translation Initiation Factor 4H, eIF-4H, Williams-Beuren Syndrome Chromosomal Region 1 Protein, KIAA0038, WBSCR1, WSCR1)

Eukaryotic translation initiation factor 4H, also known as EIF4H, is a 248aa protein that localizes to the perinuclear region of the cytoplasm and is expressed as two isoforms, designated short and long. EIF4H induces the RNA-dependent ATP hydrolysis catalyzed by the initiation factors EIF4A and EIF4B. EIF4H was further shown to stimulate the initial rate and extent of EIF4A-mediated mRNA secondary structure unwinding. Defects in the gene encoding EIF4H are associated with Williams- Beuren syndrome (WBS), a rare developmental disorder characterized by cardiovascular and musculo-skeletal abnormalities.\n\nSource:\nRecombinant corresponding to aa1-248 from human EIF4H, fused to His-tag at N-terminus, expressed in E.coli.\n\nMolecular Weight:\n~29.9kD (272aa) confirmed by MALDI-TOF\n\nAA Sequence:\nMGSSHHHHHH SSGLVPRGSH MGSHMADFDT YDDRAYSSFG GGRGSRGSAG GHGSRSQKEL PTEPPYTAYV GNLPFNTVQG DIDAIFKDLS IRSVRLVRDK DTDKFKGFCY VEFDEVDSLK EALTYDGALL GDRSLRVDIA EGRKQDKGGF GFRKGGPDDR GMGSSRESRG GWDSRDDFNS GFRDDFLGGR GGSRPGDRRT GPPMGSRFRD GPPLRGSNMD FREPTEEERA QRPRLQLKPR TVATPLNQVA NPNSAIFGGA RPREEVVQKE QE\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 6 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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