May be involved in the C-terminal domain of RNA polymerase II dephosphorylation, RNA processing and termination. Belongs to the SSU72 phosphatase family. 2 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.