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laf-1

Gene
laf-1
Protein
ATP-dependent RNA helicase laf-1
Organism
Caenorhabditis elegans
Length
708 amino acids
Function
ATP-dependent RNA helicase (PubMed:27546789). Plays a role in RNA remodeling, but is not required for RNA unwinding (PubMed:27546789). Binds to RNA in a concentration-dependent manner to stimulate annealing between two complementary strands of RNA (PubMed:26015579, PubMed:27546789). This process is also dependent upon ATP; ATP reduces binding to RNA and subsequently diminishes RNA annealing (PubMed:27546789). Promotes liquid-liquid phase separation of P granules, which is a process important for intracellular organization and stress granule assembly (PubMed:26015579). Required for embryonic development (PubMed:19361491, PubMed:26015579). Plays a role in sexual cell fate determination by negatively regulating the translation of the sex determining protein tra-2 (PubMed:9043090, PubMed:9321409, PubMed:26015579). May play a protective role in the response to heat and oxidative stress (PubMed:24844228).
Similarity
Belongs to the DEAD box helicase family. DDX3/DED1 subfamily.
Mass
76.343 kDa
Sequence
MESNQSNNGGSGNAALNRGGRYVPPHLRGGDGGAAAAASAGGDDRRGGAGGGGYRRGGGNSGGGGGGGYDRGYNDNRDDRDNRGGSGGYGRDRNYEDRGYNGGGGGGGNRGYNNNRGGGGGGYNRQDRGDGGSSNFSRGGYNNRDEGSDNRGSGRSYNNDRRDNGGDGQNTRWNNLDAPPSRGTSKWENRGARDERIEQELFSGQLSGINFDKYEEIPVEATGDDVPQPISLFSDLSLHEWIEENIKTAGYDRPTPVQKYSIPALQGGRDLMSCAQTGSGKTAAFLVPLVNAILQDGPDAVHRSVTSSGGRKKQYPSALVLSPTRELSLQIFNESRKFAYRTPITSALLYGGRENYKDQIHKLRLGCHILIATPGRLIDVMDQGLIGMEGCRYLVLDEADRMLDMGFEPQIRQIVECNRMPSKEERITAMFSATFPKEIQLLAQDFLKENYVFLAVGRVGSTSENIMQKIVWVEEDEKRSYLMDLLDATGDSSLTLVFVETKRGASDLAYYLNRQNYEVVTIHGDLKQFEREKHLDLFRTGTAPILVATAVAARGLDIPNVKHVINYDLPSDVDEYVHRIGRTGRVGNVGLATSFFNDKNRNIARELMDLIVEANQELPDWLEGMSGDMRSGGGYRGRGGRGNGQRFGGRDHRYQGGSGNGGGGNGGGGGFGGGGQRSGGGGGFQSGGGGGRQQQQQQRAQPQQDWWS