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INTERNATIONAL TABLES for CRYSTALLOGRAPHY |
Volume G |
Definition and Exchange of Crystallographic Data |
Definition:
The method by which the sample for the entity was produced. Entities isolated directly from natural sources (tissues, soil samples etc.) are expected to have further information in the ENTITY_SRC_NAT category. Entities isolated from genetically manipulated sources are expected to have further information in the ENTITY_SRC_GEN category.
Type: ucode
Mandatory item: no
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nat | entity isolated from a natural source |
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man | entity isolated from a genetically manipulated source |
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syn | entity obtained synthetically |
Category: entity
Copyright © 2005 International Union of Crystallography