A ribonucleoprotein complex, containing [RNA] and small nuclear ribonucleoproteins (snRNPs) that is assembled during the splicing of messenger RNA primary transcript to excise an intron.

RnaSplicing과정에 관여하는 [Nucleus]내 복합체(세포소체) 0005681

SeeAlso http://www.eurekalert.org/pub_releases/2004-09/wi-isr090804.php