The most abundant DEAD-box RNA helicase. An ATP-dependent RNA helicase with RNA-dependent ATPase activity. May work in conjunction with the cold shock proteins to ensure proper initiation of transcription at low and optimal temperatures. In vitro, unwinds dsRNA in both 5'- and 3'- directions. Plays a role in ribosomal 50S subunit assembly. Its deletion leads to changes in mRNA levels for over 200 transcripts.

Belongs to the DEAD box helicase family. CshA subfamily.

494 amino acids

MTITFQDFNLSSDLMKAINRMGFEEATPIQAQTIPLGLSNKDVIGQAQTGTGKTAAFGIPLVEKINPESPNIQAIVIAPTRELAIQVSEELYKIGQDKRAKVLPIYGGQDIGRQIRALKKNPNIIVGTPGRLLDHINRRTIRLNNVNTVVMDEADEMLNMGFIDDIESILSNVPSEHQTLLFSATMPAPIKRIAERFMTEPEHVKVKAKEMTVSNIQQFYLEVQERKKFDTLTRLLDIQSPELAIVFGRTKRRVDELAEALNLRGYAAEGIHGDLTQAKRMVALRKFKEGAIEVLVATDVAARGLDISGVTHVYNFDVPQDPESYVHRIGRTGRAGKTGMAMTFITPREKSMLRAIEQTTKRKMDRMKEPTLDEALEGQQQVTVERLRTTISENNLNFYMTAAAELLEDHDAVTVVAAAIKMATKEPDDTPVRLTDEAPMVSKRYKNQRSSKRRDGQGGGYRGGKGKSNNRSSYDKKRSNDRRSSGDRRQKKSY

55.3 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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