lmnature — a live molecular biology book

A live molecular biology book presenting text, diagrams, video and live animation; every number computed from the source structure; measurement kept apart from interpretation.

1. Myoglobin holds one oxygen next to one iron
2. Two hemoglobin chains, two measured oxygen pockets
3. Lysozyme cleft and (NAG)3 geometry
4. Potassium ions and oxygen positions in the KcsA filter
5. Insulin zinc sites: two distances, an incomplete assembly
6. GFP chromophore in its protein barrel
7. Calmodulin and calcium: four EF-hand loops
8. Biotin inside one streptavidin barrel
9. Trypsin and BPTI: measured distances across the 2PTC interface
10. Carbonic anhydrase II: four measured distances from zinc
11. DHFR coordinate geometry with MTX and NDP