Republic of Germany synopsis (L-Cys),, (L-LYS),, and (L-G~u), were studied by ir spectroscopy in terms of their degree of deprotonation or protonation. It is shown that structurally symmetrical, easily polarizable SH-S-+ -S--HS, N+H-N =N.--H+N, and OH---0-\* -0-HO hydrogen bonds are formed between t
Hydrogen bonds between protein side chains and phosphates and their role in biological calcification
✍ Scribed by Pedro Carmona; Maria L. Rodriguez
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 615 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0301-4622
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A survey of 322 proteins showed that the short polar (SP) side chains of four residues, Thr, Ser, Asp, and Asn, have a very strong tendency to form hydrogen bonds with neighboring backbone amides. Specifically, 32% of Thr, 29% of Ser, 26% of Asp, and 19% of Asn engage in such hydrogen bonds. When an
## Abstract The configuration and hydrogen‐bonding network of side‐chain amides in a 35 kDa protein were determined by measuring differential and trans‐hydrogen‐bond H/D isotope effects by using the isotopomer‐selective (IS)‐TROSY technique, which leads to a reliable recognition and correction of e