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cwf21 domain found in U2-associated protein SR140 and similar proteins SR140, also called U2 snRNP-associated SURP motif-containing protein, U2SURP, or 140 kDa Ser/Arg-rich domain protein, is a putative splicing factor mainly found in higher eukaryotes. Although it was initially identified as a 17S U2 snRNP-associated protein, the molecular and physiological function of SR140 remains unclear. This model represents the cwf21 domain of SR140 and similar proteins. The cwf21 domain is involved in mRNA splicing; it binds directly to the spliceosomal protein Prp8. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",