GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
GO:0000166; F:nucleotide binding; IEA:InterPro.
GO:0008143; F:poly(A) RNA binding; IDA:UniProtKB.
GO:0003713; F:transcription coactivator activity; IDA:UniProtKB.
GO:0010862; P:positive regulation of pathway-restricted SMAD protein phosphorylation; IDA:UniProtKB.
GO:0060391; P:positive regulation of SMAD protein import into nucleus; IDA:UniProtKB.
GO:0006355; P:regulation of transcription, DNA-dependent; IEA:UniProtKB-KW.
GO:0006396; P:RNA processing; TAS:ProtInc.
GO:0006351; P:transcription, DNA-dependent; IEA:UniProtKB-KW.