retrieval

1) ==> binding SUBSTRATE: transcription factor PU.1-PHOSPHATE {CELL_NUCLEUS} NF EM5 {CELL_NUCLEUS} PRODUCT: molecular complex (transcription factor PU.1-PHOSPHATE NF EM5 -[SPI1]) 2) ==> protein phosphorylation ENZYME: casein kinase 2 {CELL_NUCLEUS} {CYTOPLASM} (casein kinase 2-alpha chain casein kinase 2-alpha' chain casein kinase 2-beta chain -[Zn+2]) SUBSTRATE: transcription factor PU.1 {CELL_NUCLEUS} adenosine triphosphate PRODUCT: transcription factor PU.1-PHOSPHATE {CELL_NUCLEUS} adenosine 5'-diphosphate CELL: B lymphocyte macrophage