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.
| Allowed Value | Details |
|---|---|
| man | entity isolated from a genetically manipulated source |
| nat | entity isolated from a natural source |
| syn | entity obtained synthetically |
| Allowed Value | Details |
|---|---|
| man | |
| nat | |
| syn |