RNA-binding motif protein, Y chromosome, family 1 member C (RBMY1C)
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Function
- RNA-binding protein involved in pre-mRNA splicing
- required for sperm development
- acts additively with TRA2B to promote exon 7 inclusion of the survival motor neuron SMN
- binds non-specifically to mRNAs
- interacts with splicing factor proteins SFRS3/SRP20, TRA2B/SFRS10, KHDRBS1/SAM68 & KHDRBS3
Structure
contains 1 RRM domain (RNA recognition motif)
Compartment
Expression
- testis-specific
- expressed in all of the transcriptionally active stages of germ cell development from spermatogonia through spermatocytes to round spermatids
Genetics
- the RBMY1 proteins are encoded by repeated regions of the Y chromosome, mostly within the AZFb region
- the exact number of functional copies is unclear & may vary between individuals, & some of them may represent pseudogenes
- the proteins are very similar, which makes characterization of each protein difficult
- most experiments do not discriminate between the different members
- reported interactions with a RBMY1 protein involve all the proteins