Molecule of the Month
July 2016


Monellin and other supersweet proteins trick our taste receptors.


3D View:  Monellin




Health Focus: Diabetes

Glucose is transported through the blood, powering cells throughout the body. However, if the level of glucose gets too high, it can cause the chronic problems associated with diabetes mellitus. Atomic structures have revealed how glucose levels are regulated in the body and are providing new hope for combating the disease. To learn more, browse PDB-101 resources related to diabetes.

2016 Video Challenge for High School Students: Structural Biology and Diabetes

Congratulations to the 2016 Winners! Many thanks to the expert scientists, students, teachers, parents, judges, and voters who made this exciting competition happen.

2016 Winners
Judge's Award, 1st Place
West Windsor-Plainsboro High School South
Judge's Award, 2nd Place
La Jolla Country Day School
Judge's Award, 3rd Place
East Brunswick High School
Viewer's Choice
McNair Academic High School
Teach: Curricula
The RCSB PDB Curricula provide authentic, hands-on teaching materials, individual and group activities and assessment suggestions.
Geis Digital Archive
Irving Geis (1908-1997) was a gifted artist who helped illuminate the field of structural biology with his iconic images. The Geis Digital Archive features many of his illustrations in the context of their molecular structures.

Images used with permission from the Howard Hughes Medical Institute ( All rights reserved.


Tomato Bushy Stunt Virus (TBSV)



Lac Repressor

Carboxypeptidase A


Deoxyribonucleic Acid (DNA)



Transfer Ribonucleic Acid (tRNA)

Aspartate Transcarbamoylase (ATCase)


Ribonuclease S

TATA-Binding Protein (TBP)

Immunoglobulin G (IgG)

Cytochrome c

Myoglobin Fold