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phosphoserine binding (GO:0050815)
Interacting selectively and non-covalently with a phosphorylated serine residue within a protein.
Specific
RNA polymerase II C-terminal domain phosphoserine binding (GO:1990269)
General
protein phosphorylated amino acid binding (GO:0045309)
amino acid binding (GO:0016597)
References
gene ontology: GO:0050815