This family constitutes the major, conserved, portion of PRCC proteins. In humans this family interacts with MAD2B, the mitotic checkpoint protein [1,2]. In Schizosaccharomyces pombe this protein is part of the Cwf-complex that is known to be involved in pre-mRNA splicing [3].

1: Fusion of the transcription factor TFE3 gene to a novel gene, PRCC, in t(X;1)(p11;q21)-positive papillary renal cell carcinomas. Weterman MA, Wilbrink M, Geurts van Kessel A; Proc Natl Acad Sci U S A. 1996;93:15294-15298. PMID:8986805

2: Impairment of MAD2B-PRCC interaction in mitotic checkpoint defective t(X;1)-positive renal cell carcinomas. Weterman MA, van Groningen JJ, Tertoolen L, van Kessel AG; Proc Natl Acad Sci U S A. 2001;98:13808-13813. PMID:11717438

3: Proteomics analysis reveals stable multiprotein complexes in both fission and budding yeasts containing Myb-related Cdc5p/Cef1p, novel pre-mRNA splicing factors, and snRNAs. Ohi MD, Link AJ, Ren L, Jennings JL, McDonald WH, Gould KL; Mol Cell Biol 2002;22:2011-2024. PMID:11884590