Recombinant Human DEAD-box helicase 1 Protein, His&Flag&StrepII tagged

• Cat.No.: DDX1-152H
• Product Overview: Recombinant human DDX1 protein (Q92499-1) (Ser 436-Phe 740) with a Twin strep tag at the N-terminus and both His, Flag tag at the C-terminus was expressed in E. coli.

Specification

• Species: Human
• Source: E.coli
• Tag: Flag&His&Twin Strep
• Protein Length: 436-740aa
• Description: Acts as an ATP-dependent RNA helicase, able to unwind both RNA-RNA and RNA-DNA duplexes. Possesses 5' single-stranded RNA overhang nuclease activity. Possesses ATPase activity on various RNA, but not DNA polynucleotides. May play a role in RNA clearance at DNA double-strand breaks (DSBs), thereby facilitating the template-guided repair of transcriptionally active regions of the genome. Together with RELA, acts as a coactivator to enhance NF-kappa-B-mediated transcriptional activation. Acts as a positive transcriptional regulator of cyclin CCND2 expression. Binds to the cyclin CCND2 promoter region. Associates with chromatin at the NF-kappa-B promoter region via association with RELA. Binds to poly (A) RNA. May be involved in 3'-end cleavage and polyadenylation of pre-mRNAs. Component of the tRNA-splicing ligase complex required to facilitate the enzymatic turnover of catalytic subunit RTCB: together with archease (ZBTB8OS), acts by facilitating the guanylylation of RTCB, a key intermediate step in tRNA ligation. Component of a multi-helicase-TICAM1 complex that acts as a cytoplasmic sensor of viral double-stranded RNA (dsRNA) and plays a role in the activation of a cascade of antiviral responses including the induction of pro-inflammatory cytokines via the adapter molecule TICAM1. Specifically binds (via helicase ATP-binding domain) on both short and long poly (I:C) dsRNA.
• Tag: N-Twin strep and C-His&Flag
• Molecular Mass: 41.2 kDa
• Endotoxin: Less than 1.0 EU/μg by the LAL method.
• Purity: >95% as determined by SDS-PAGE.
• Storage: Please avoid repeated freeze-thaw cycles. Samples are stable for up to twelve months from date of receipt at -20 to -80 centigrade. It is recommended that aliquot the reconstituted solution to minimize freeze-thaw cycles.
• Storage Buffer: Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4, 5% Trehalose, 5% mannitol.
• Reconstitution: Reconstitute at 250 μg/mL in sterile water.

Gene Information

• Gene Name: DDX1 DEAD-box helicase 1 [ Homo sapiens (human) ]
• Official Symbol: DDX1
• Synonyms: DDX1; DEAD (Asp-Glu-Ala-Asp) box helicase 1; DEAD (Asp Glu Ala Asp) box polypeptide 1, DEAD/H (Asp Glu Ala Asp/His) box polypeptide 1; ATP-dependent RNA helicase DDX1; DBP RB; DEAD box-1; DEAD box protein 1; DEAD box polypeptide 1; DEAD box protein retinoblastoma; DEAD (Asp-Glu-Ala-Asp) box polypeptide 1; DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 1; DBP-RB; UKVH5d
• Gene ID: 1653
• mRNA Refseq: NM_004939
• Protein Refseq: NP_004930
• MIM: 601257
• UniProt ID: Q92499