Oligomerizes into helical capsid to encapsidate the viral genome, protecting it from nucleases and the cellular innate immune response. VP35 binds to and stabilizes monomeric NP, keeping it soluble. Upon virus replication, NP is recruited to bind cooperatively viral genomic RNA and VP35 is released. The encapsidated genomic RNA is termed the nucleocapsid and serves as template for transcription and replication. The nucleocapsid is helical with a pitch of 10.81 NP per turn and a diameter of about 22nm. Each NP binds to six nucleotides of viral genomic RNA, three being exposed to the solvant and three hidden into the nucleocapsid. Recruits also host PPP2R5C phosphatase to dephosphorylate VP30 and thereby promote viral transcription. Upon virion assembly and budding, NP binds to VP24 and possibly host STAU1. Source: Recombinant protein corresponding to aa414-739 from Reston ebolavirus Nucleoprotein, fused to 6X His-Tag at N-terminal, expressed in E.coli. Molecular Weight: ~41.3kD Amino Acid Sequence: RPNLGSRQDDDNEIPFPGPISNNPDQDHLEDDPRDSRDTIIPNSAIDPEDGDFENYNGYHDDEVGTAGDLVLFDLDDHEDDNKAFELQDSSPQSQREIERERLIHPPPGNNKDDNRASDNNQQSADSEEQEGQYNRHRGPERTTANRRLSPVHEEDTPIDQGDDDPSSPPPLESDDDDASSSQQDPDYTAVAPPAPVYRSAEAHEPPHKSSNEPAETSQLNEDPDIGQSKSMQKLGETYHHLLRTQGPFEAINYYHMMKDEPVIFSTDDGKEYTYPDSLEEAYPPWLTEKERLDNENRYIYINNQQFFWPVMSPRDKFLAILQHHQ Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20C. 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.
Supplied as a lyophilized powder from 20mM Tris-HCl, 0.5M sodium chloride, pH 8.0, 6% trehalose. Reconstitute with sterile ddH2O to a concentration of 0.1-1mg/ml.
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