Title : Structural significance of the GTP-binding domain of ras p21 studied by site-directed mutagenesis.

Pub. Date : 1987 Sep

PMID : 3118192






7 Functional Relationships(s)
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1 Structural significance of the GTP-binding domain of ras p21 studied by site-directed mutagenesis. Guanosine Triphosphate cyclin-dependent kinase inhibitor 1A (P21) Mus musculus
2 Point mutations of p21 proteins were constructed by oligonucleotide-directed mutagenesis of the v-rasH oncogene, which substituted amino acid residues within the nucleotide-binding consensus sequence, GXG GXGK. Oligonucleotides cyclin-dependent kinase inhibitor 1A (P21) Mus musculus
3 When the glycine residue at position 10, 13, or 15 was substituted with valine, the viral rasH product p21 lost its GTP-binding and autokinase activities. Glycine cyclin-dependent kinase inhibitor 1A (P21) Mus musculus
4 When the glycine residue at position 10, 13, or 15 was substituted with valine, the viral rasH product p21 lost its GTP-binding and autokinase activities. Valine cyclin-dependent kinase inhibitor 1A (P21) Mus musculus
5 When the glycine residue at position 10, 13, or 15 was substituted with valine, the viral rasH product p21 lost its GTP-binding and autokinase activities. Guanosine Triphosphate cyclin-dependent kinase inhibitor 1A (P21) Mus musculus
6 These findings suggest that the glycine-rich consensus sequence is important in controlling p21 activities and that certain mutations may confer to p21 its active conformation without participation of ligand binding. Glycine cyclin-dependent kinase inhibitor 1A (P21) Mus musculus
7 These findings suggest that the glycine-rich consensus sequence is important in controlling p21 activities and that certain mutations may confer to p21 its active conformation without participation of ligand binding. Glycine cyclin-dependent kinase inhibitor 1A (P21) Mus musculus