User:Karl Oberholser

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It is with great sadness that we report the death of Karl Oberholser on July 25, 2013. Karl was an innovator in educational molecular visualization, and a member of the Editorial Board of Proteopedia.Org. He will be greatly missed. Eric Martz 01:55, 28 July 2013 (IDT)


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Karl Oberholser

Professor Emeritus, Chemistry and Biochemistry Department, Messiah College, Mechanicsburg, PA, USA

I used HyperChem in my first venture in biomolecular visualization and computation. I eventually made some tutorials in which information was passed between HyperChem and Toolbook. When I became aware of Chime, I focused most of my work on protein structure and function and used Protein Explorer (PE) and Presentations in PE (PiPEs) as they became available. When MolSlides became a feature of PE, I developed an assignment for biochemistry students to make MolSlides of a protein of their choice. In the early years of this work I received a variety of internal grants from Messiah College, and in more recent years I have been receiving release time from teaching. Realizing that Chime was on its death bed I got serious about learning Jmol during the Summer '07 , and during my Fall '07 sabbatical I ported most of the PiPEs to Jmol and converted the last of the HyperChem scripts to Jmol scripts. For most of this work I used α and β versions of Jmol Tutorial-Authoring Template being made by Eric Martz. My first exposure to Proteopedia was mentoring Emily Forschler as she developed Photosystem II.

Proteopedia Pages

Introductory Topics

  • Intro._to_Protein_Structure
  • Carbohydrates - Series of pages that focus on aspects of the 3D structure of mono-, di-, and polysaccharides that are not easily illustrated with 2D figures in text books.
  • Syn_and_anti_nucleosides - Illustrates the structural difference between the syn and anti configurations of nucleosides and the steric hindrance that is present in the syn configuration of pyrimidine nucleosides.

Specific proteins



Other structures and tutorials available in Jmol


Helpful Pages

Other Useful sites

Proteopedia Page Contributors and Editors (what is this?)

Karl Oberholser, Eric Martz, Eran Hodis

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