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The human genome codes for 95 non-redundant helicases: 64 RNA helicases and 31 DNA helicases. [2] Many cellular processes, such as DNA replication, transcription, translation, recombination, DNA repair, and ribosome biogenesis involve the separation of nucleic acid strands that necessitates the use of helicases. Some specialized helicases are ...
Cellular component: Biological process: Sources:Amigo / ... PIF1 5'-to-3' DNA helicase is a protein that in humans is encoded by the PIF1 gene. [5] Function
RecQ helicase is a family of helicase enzymes initially found in Escherichia coli [1] that has been shown to be important in genome maintenance. [ 2 ] [ 3 ] [ 4 ] They function through catalyzing the reaction ATP + H 2 O → ADP + P and thus driving the unwinding of paired DNA and translocating in the 3' to 5' direction.
Dicer, also known as endoribonuclease Dicer or helicase with RNase motif, is an enzyme that in humans is encoded by the DICER1 gene. Being part of the RNase III family, Dicer cleaves double-stranded RNA (dsRNA) and pre-microRNA (pre-miRNA) into short double-stranded RNA fragments called small interfering RNA and microRNA , respectively.
Werner syndrome ATP-dependent helicase, also known as DNA helicase, RecQ-like type 3, is an enzyme that in humans is encoded by the WRN gene. WRN is a member of the RecQ Helicase family. [ 5 ] Helicase enzymes generally unwind and separate double-stranded DNA .
Helicase, POLQ-like, also known as Helicase Q (HELQ), HEL308 and Holliday junction migration protein, encoded by the gene HELQ1, is a DNA helicase found in humans, archea and many other organisms. [5] HelQ is a replication-linked repair helicase that preserves DNA integrity through helping in the repair of DNA that has become damaged. [6]
Although cellular respiration is technically a combustion reaction, it is an unusual one because of the slow, controlled release of energy from the series of reactions. Nutrients that are commonly used by animal and plant cells in respiration include sugar, amino acids and fatty acids, and the most common oxidizing agent is molecular oxygen (O 2).
DEAD box proteins were first brought to attention in the late 1980s in a study that looked at a group of NTP binding sites that were similar in sequence to the eIF4A RNA helicase sequence. [4] The results of this study showed that these proteins (p68, SrmB, MSS116, vasa, PL10, mammalian eIF4A, yeast eIF4A) involved in RNA metabolism had several ...