To take the scalp of someone else in a dream is to steal their sense of self. Brush Holding a hair brush in a dream symbolizes your appearance and the work you carry out to achieve the image you desire. Dreaming of a paint brush generally indicates the appearance of your home and the work it takes or it'll take to achieve the image you want.
A protein that typically promotes cell division when a growth factor is present on the cell surface. Abnormal ras proteins, caused by genetic mutations, stimulate cell division and proliferation in the absence of a growth factor and facilitate the development of various cancers.
The catalytic domain, also referred to as the G domain, is highly homologous between the 3 Ras proteins, K-Ras, H-Ras, and N-Ras, which are activated in human cancer. The first 80 amino acids are identical, and the next 85 amino acids only differ by 5%.