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RCSB PDB Protein Data Bank EN
The PDB archive contains information about experimentally-determined structures of proteins, nucleic acids, and complex assemblies.
SciFinder-n (Chemical Abstracts)
An easy-to-use interface for the world's leading chemical information sources, millions of literature and patent references, as well as chemical compounds and reactions containing information of CAS databases, such as the Chemical Abstracts database. Also contains Medline. Only the students and staff of University of Oulu are entitled to use this database. All users need to create a personal account to use SciFinder-n. You will get instructions for registration from firstname.lastname@example.org. Note: the IP address controls have been lifted until January 31, 2022 for easier access to SciFinder-n also off campus.
SciFinder-n quick guide
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Scientific search engines
How to find subject terms / subject headings related to your search topic? Subject headings are used by databases to describe the content of each article. You can find useful tools on Dictionaries and reference works page.