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deaD | Superfamily II DNA and RNA helicase; DEAD-box RNA helicase involved in the assembly of the 50S ribosomal subunit. Has an RNA-dependent ATPase activity, which is specific for 23S rRNA, and a 3' to 5' RNA helicase activity that uses the energy of ATP hydrolysis to destabilize and unwind short rRNA duplexes. (481 aa) | ||||
cshB | Superfamily II DNA and RNA helicase; Probable DEAD-box RNA helicase. May work in conjunction with the cold shock proteins to ensure proper initiation of transcription at low and optimal temperatures. (436 aa) | ||||
cshA | Superfamily II DNA and RNA helicase; DEAD-box RNA helicase possibly involved in RNA degradation. Unwinds dsRNA in both 5'- and 3'-directions, has RNA-dependent ATPase activity; Belongs to the DEAD box helicase family. CshA subfamily. (517 aa) |