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spb-4

Gene
spb-4
Protein
ATP-dependent rRNA helicase spb-4
Organism
Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987)
Length
654 amino acids
Function
ATP-binding RNA helicase involved in the biogenesis of 60S ribosomal subunits. Binds 90S pre-ribosomal particles and dissociates from pre-60S ribosomal particles after processing of 27SB pre-rRNA. Required for the normal formation of 18S rRNA through the processing of pre-rRNAs at sites A0, A1 and A2, and the normal formation of 25S and 5.8S rRNAs through the processing of pre-rRNAs at sites C1 and C2.
Similarity
Belongs to the DEAD box helicase family. DDX55/SPB4 subfamily.
Mass
73.382 kDa
Sequence
MAPTQPQTKVRKPPRSWDALTPPLAQWILDYLSSMGFTQPTPVQKSCLELFRGNKDVVVEAVTGSGKTLAFLIPVVEKLLRGEEPAKRNHVQGIIISPTRELATQIYNVLVSLVKFHEPSAEAISHAKSDEKRPTATQPVVVPQLLVGGTTKAAEDLGTFLRLSPNLLIGTPGRLAELLSSAYVKAPASTFEVLIMDEADRLLDMGFANELNRILGYLPKQRRTGLFSASLSDAVERLITVGLLYPHKITVRVKSLKDGGIIQERKTPMSLQMSYLVTPASQKMPAIVQLLEKLEPRPQRSIIFFSSCMAVKYFSRILGAVLPAGFSVTSLHGKLEPKVREKNYERFVNTTSPMVLLTTDLAARGLDIPQVDLVIQHDPPTDTKVFIHRCGRAGRAGRRGLAVVLLQPGREEGYVQLLEVRQTPITPLEKPAISVTPDEVERVSAAFRSQALADREIFQMAQLAFVSWTRSYIEHQASSIFRIADLDWLDLAKGYGLLELPKMPEVREAKIDRSLGLGINTEEIPFKDKVREKKRQEELAKWKEEKAKRAQEENTGDKRKKNEAWSGKAEQEETKLQRREKKRRKREAKKFSEMTEKEKEEHLKLEQMIEEVRKRNEAKAAEERAAALAANPPKPKAPVKKVDDSDEEFGGFDD