

How can 3D structures be used to learn more about proteins and other biomolecules?.

Experimental methods (X-ray crystallography, NMR).Four levels of protein structure (primary, secondary, tertiary, quaternary).The Entrez Help document provides additional information about the search system and the databases it can be used to search. Once records of interest are retrieved, follow Entrez's "Links" to discover associations among previously disparate data. The " How To" page provides quick start guides for some common types of searches. This help document provides detailed descriptions of the Entrez Structure database content, search system,Īnd display formats.

Molecular Modeling Database (MMDB) Help Document
