Four Way Collection

Discover the fascinating intersection of science and infrastructure in this intriguing 1939-40 Army and Navy Stores Catalogue page

Four Way Collection: USA, California, Los Angeles, Judge Harry Pregerson Interchange, junction of I-105 and I-110

USA, California, Los Angeles, Judge Harry Pregerson Interchange, junction of I-105 and I-110 (Glenn Anderson Freeway and Harbor Freeway) - aerial

Four Way Collection: E. coli Holliday junction complex C014 / 0878

E. coli Holliday junction complex C014 / 0878
E. coli Holliday junction complex. Molecular model of a RuvA protein (dark pink) in complex with a Holliday junction between homologous strands of DNA (deoxyribonucleic acid)

Four Way Collection: DNA Holliday junction complex F006 / 9334

DNA Holliday junction complex F006 / 9334
DNA Holliday junction complex. Molecular model of the enzyme FLP recombinase in complex with a Holliday junction between homologous strands of DNA (deoxyribonucleic acid)

Four Way Collection: E coli Holliday junction complex F006 / 9261

E coli Holliday junction complex F006 / 9261
E. coli Holliday junction complex. Molecular model of a RuvA protein (red) in complex with a Holliday junction between homologous strands of DNA (deoxyribonucleic acid, blue) from an E

Four Way Collection: E. coli Holliday junction complex

E. coli Holliday junction complex. Molecular model of a RuvA protein (red) in complex with a Holliday junction between homologous strands of DNA (deoxyribonucleic acid, brown and orange) from an E

Four Way Collection: DNA Holliday junction, molecular model C014 / 3090

DNA Holliday junction, molecular model C014 / 3090
DNA Holliday junction. Molecular model of a Holliday junction (centre) between homologous strands of DNA (deoxyribonucleic acid)

Four Way Collection: DNA Holliday junction complex C013 / 8888

DNA Holliday junction complex C013 / 8888
DNA Holliday junction complex. Molecular model of the enzyme FLP recombinase in complex with a Holliday junction between homologous strands of DNA (deoxyribonucleic acid)

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Discover the fascinating intersection of science and infrastructure in this intriguing 1939-40 Army and Navy Stores Catalogue page. While the image may depict a four-way junction in Los Angeles, California, at Judge Harry Pregerson Interchange where I-105 and I-110 meet, let's delve deeper into the molecular world. The complex structures at the center of this image are not highways but DNA Holliday junctions. These structures form during DNA recombination, a crucial process for genetic variation and repair. Three specific Holliday junction complexes are highlighted: E. Coli Holliday junction complexes C014 / 0878, F006 / 9334, and F006 / 9261. These molecular models represent the intricate dance of DNA strands as they exchange genetic material, forming a four-stranded structure. This process is essential for genetic diversity and the survival of organisms, including the common bacterium E. Coli. So, the next time you're stuck at a four-way intersection, take a moment to appreciate the complex molecular processes happening all around us, like the DNA Holliday junctions that ensure our genetic material remains robust and adaptable.