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Structure of the bacteriophage lambda cohesive end site: location of the sites of terminase binding (cosB) and nicking (cosN). 1983

M Feiss, and W Widner, and G Miller, and G Johnson, and S Christiansen

The extents of the sites for nicking (cosN) and binding (cosB) of bacteriophage lambda DNA by terminase have been determined by studying cos cleavage and terminase binding in vitro. The cosN site is located in the segment from -22 to +24 bp (numbered from the center of the cohesive end sequence in the circular lambda genome). The cosB site is located in the segment from +51 to +120 (the +120 boundary determined by Miwa and Matsubara, 1983). Additional sequences are necessary for packaging into infectious phage particles, including regions to the left (Rz gene side) of cosN, and between cosN and cosB. Small deletions (7 and 11 bp) between cosN and cosB abolish packaging in vivo without affecting cos binding and cleavage in vitro, whereas a large deletion (26 bp) abolishes packaging in vivo and cleavage in vitro.

UI MeSH Term Description Entries
D009024 Morphogenesis The development of anatomical structures to create the form of a single- or multi-cell organism. Morphogenesis provides form changes of a part, parts, or the whole organism.
D010582 Bacteriophage lambda A temperate inducible phage and type species of the genus lambda-like viruses, in the family SIPHOVIRIDAE. Its natural host is E. coli K12. Its VIRION contains linear double-stranded DNA with single-stranded 12-base 5' sticky ends. The DNA circularizes on infection. Coliphage lambda,Enterobacteria phage lambda,Phage lambda,lambda Phage
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D003851 Deoxyribonucleases Enzymes which catalyze the hydrolases of ester bonds within DNA. EC 3.1.-. DNAase,DNase,Deoxyribonuclease,Desoxyribonuclease,Desoxyribonucleases,Nucleases, DNA,Acid DNase,Alkaline DNase,DNA Nucleases,DNase, Acid,DNase, Alkaline
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D004706 Endodeoxyribonucleases A group of enzymes catalyzing the endonucleolytic cleavage of DNA. They include members of EC 3.1.21.-, EC 3.1.22.-, EC 3.1.23.- (DNA RESTRICTION ENZYMES), EC 3.1.24.- (DNA RESTRICTION ENZYMES), and EC 3.1.25.-.
D004720 Endonucleases Enzymes that catalyze the hydrolysis of the internal bonds and thereby the formation of polynucleotides or oligonucleotides from ribo- or deoxyribonucleotide chains. EC 3.1.-. Endonuclease
D001665 Binding Sites The parts of a macromolecule that directly participate in its specific combination with another molecule. Combining Site,Binding Site,Combining Sites,Site, Binding,Site, Combining,Sites, Binding,Sites, Combining
D014764 Viral Proteins Proteins found in any species of virus. Gene Products, Viral,Viral Gene Products,Viral Gene Proteins,Viral Protein,Protein, Viral,Proteins, Viral
D014779 Virus Replication The process of intracellular viral multiplication, consisting of the synthesis of PROTEINS; NUCLEIC ACIDS; and sometimes LIPIDS, and their assembly into a new infectious particle. Viral Replication,Replication, Viral,Replication, Virus,Replications, Viral,Replications, Virus,Viral Replications,Virus Replications

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