Cryo-EM structure of hexameric SenDRT9 RT-ncRNA complex

Protein-primed homopolymer synthesis by an antiviral reverse transcriptase.

The initial model for the RT was produced using AlphaFold 3

Sen DRT9 hexameric ribonucleoprotein complex

MKLEQQIQRVILEEAKALIKDYHEYHNRVHLESVRNKKRLGDSAPDKKIHRPNYWSFDKKFDPFYVKSNYKSIARSIANK
IENRTYLPNEPFTKDVPKPDGGIRKVSIYQIPDAAISKLFFNRLLAKNRHRFSSFSYAYRNDRNVHFAIQDISVDLKKNE
RTFLAEFDFSDFFGSISHSFLNEQFNENGFYISPEEKFIIRSFLRERKVGIPQGTSISLFLANLTCWKLDQDLEREGVKF
SRYADDTIIWSQEYSKICNAFNIITNFSKSAGIKINPKKSEGISLLTKKGLPSEITSKNNLDFLGYTLSVENVSIKEKSV
KKIKKQISYILYRNLIQPLKKTSLAGQTIPANDRDKNFLIAICEIRRYMYGGLSKSQIKDYLSGRSNRLYFKGIMSFYPL
VNDVEQLKQLDGWIVSVIYRALKLRCQLLSKWGYNRSHNFPFILDREDIVDKCSKKTIAGRKLFEIPSFLLIHKALQKGL
QESGIEKIMNPQSLNYDYE

AUUCUCUCAUAGGGAUAACGGUGUGGCCUUCUACCUGUUAGAAAUAAUGGGUCUUCAGUUGUAAUUCGUUGCAACUGACG
GGGGGGUGGUGUCAAAGCCGUUUCAACCAAGUGGUAACUUACUUUUACUUGGGUUUAUACCGUGGAAAAGCCUGAGUCUA
ACUC

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

National Science Foundation (NSF, United States)

Cryo-EM structure of hexameric SenDRT9 ncRNA complex in a pre-polymerization state