What is the word M13 stands for?

Question

it is a phage thet infects bacteria

Answer 1

Messier 13 (M13) also called the 'Great globular cluster in Hercules', is one of the most prominent and best known globulars of the Northern celestial hemisphere.

Answer 2

Name of  a motorway.

Answer 3

Phage display is a method for the study of protein-protein, protein-peptide, and protein-DNA interactions that utilizes bacteriophage to connect proteins with the genetic information that encodes them.[1] This connection between genotype and phenotype enables large libraries of proteins to be screened and amplified in a process called in vitro selection, which is analogous to natural selection. The most common bacteriophages used in phage display are M13 and fd filamentous phage,[2][3] though T4, T7, and λ phage have also been used.

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