3-Dimensional Structure

Protein Data Bank (PDB) is a repository for the 3-D structural data of large biological molecules, such as proteins and nucleic acids. The data. typically obtained by X-ray crystallography or NMR spectroscopy are submitted by biologists and biochemists around the world. 

Contents:

Experimental Method	Proteins	Nucleic Acids	Protein/Nucleic Acid complexes	Other	Total
X-ray diffraction	55480	1231	2605	17	59333
NMR	7512	925	162	7	8606
Electron microscopy	214	17	77	0	308
Hybrid	24	1	1	1	27
Other	126	4	4	13	147
Total:	63356	2178	2849	38	68421

3-D structure

Source: wikipedia