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INTERNATIONAL TABLES for CRYSTALLOGRAPHY |
Volume G |
Definition and Exchange of Crystallographic Data |
Definition:
The isotopic composition of each component, including
the % labeling level, if known. For example:
1. Uniform (random) labeling with 15N: U-15N
2. Uniform (random) labeling with 13C, 15N at known labeling
levels: U-95% 13C;U-98% 15N
3. Residue selective labeling: U-95% 15N-Thymine
4. Site specific labeling: 95% 13C-Ala18,
5. Natural abundance labeling in an otherwise uniformly labled
biomolecule is designated by NA: U-13C; NA-K,H
Type: line
Mandatory item: no
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U-15N |
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U-13C |
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U-15N,13C |
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U-2H |
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other |
Category: pdbx_buffer_components
Copyright © 2005 International Union of Crystallography