Specifications for a GAF for gene-disease data

GAF 2.0 for gene-disease data includes all genes with the Experimental_model and/or Potential_model tags.

Mapping of GAF column to gene-disease data

Column	Content	Required?	Cardinality	Example
1	DB	required	1	WB
2	DB Object ID	required	1	WBGene00007799
3	DB Object Symbol	required	1	nrx-1
4	Qualifier	optional	0 or greater	(no value, leave empty)
5	GO ID	required	1	DOID:0060041
6	DB:Reference)	required	1 or greater	WBPaper00041363
7	Evidence code	required	1	IMP or ISS (use 'IMP' for Experimental_model genes and ISS for Potential_model genes)
8	With (or) From	optional	0 or greater (separate values with pipes)	OMIM:600566*
9	Aspect	required	1	D (D for disease ontology, all annotations have this value)
10	DB Object Name	optional	0 or 1	(no value, leave empty)
11	Synonym)	optional	0 or greater	(no value, leave empty)
12	DB Object Type	required	1	gene (all annotations have this value)
13	Taxon	required	1 or 2	taxon:6239
14	Date	required	1	20130422 (this is the date of annotation dumped under Date_last_updated)
15	Assigned By	required	1	WB
16	Annotation Extension	optional	0 or greater	(no value, leave empty)
17	Gene Product Form ID	optional	0 or greater	(no value, leave empty)