what type of macromolecule is the structure in the image?
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Answer:
Three-dimensional (3D) structural information on biological macromolecules is an essential requirement for the understanding of biological function and for the variation of this function by rational, evolutionary or combinatorial approaches. The rate at which 3D structures of biopolymers are determined has been dramatically increased within recent years. Currently (October 12, 1999), the Protein Data Bank (PDB) (1) holds 10 858 entries. However, it has been pointed out that there is only a minor impact of the available 3D biopolymer information on the research communities outside structural biology (2). It was claimed that there may be a rift between the sequence and the structure world due to a clash of scientific cultures and the inherent complexity of structure data. Therefore, tools for a better dissemination of 3D information on biopolymer structures are required.
We have started in 1993 to set up the freely accessible internet based Image Library of Biological Macromolecules with manually generated visual information on selected structure entries (3–5). In 1998 and 1999, the IMB Jena Image Library has been substantially reorganized and extended. Now it provides a visual interface to all currently known biopolymer structures, offers various analysis tools and intends to