Core Sm protein Sm D1%3B part of heteroheptameric complex (with Smb1p%2C Smd2p%2C Smd3p%2C Sme1p%2C Smx3p%2C and Smx2p) that is part of the spliceosomal U1%2C U2%2C U4%2C and U5 snRNPs%3B relocalizes to the cytosol in response to hypoxia%3B homolog of human Sm D1%3B protein abundance increases in response to DNA replication stress