Definition: A heterodimeric protein complex of RNA cap-binding proteins, which binds with high affinity to the 5' MRNA CAP STRUCTURE in the CELL NUCLEUS. The complex contains two subunits, one of 80-kDa molecular weight and another of 20-kDa molecular weight.
Other names Nuclear Cap Binding Protein, 80 kDa; Nuclear Cap Binding Protein Subunit 2, 20 kDa; Nuclear Cap Binding Protein Subunit 1, 80 kDa; Nuclear Cap Binding Protein Complex; Cap Binding Protein Complex, Nuclear; Cap Binding Complex 80 kDa protein; Nuclear Cap Binding Protein, 80-kDa; Nuclear Cap Binding Protein Subunit 2, 20-kDa; NCBP2 Protein; NCBP1 Protein; Cap-Binding Complex 80-kDa protein; CBP80 Protein; CBP20 Protein; CAF20 Gene Product; Nuclear Cap Binding Protein Subunit 1, 80-kDa; Cap-Binding Protein Complex, Nuclear