! column mandatory? description ! Identifier yes self-explanatory? ! Name no human-friendly; analogous to gene name ! SO ID yes sequence ontology ID ! Relation yes how the feature links to the gene ! Gene yes systematic ID of the gene connected to the feature ! Reference yes source for the feature; PubMed ID much preferred ! Date yes self-explanatory? ! Identifier Name SO ID Relation Gene Reference Date SPBC32C12.02-promoter ste11 promoter SO:0000167 promoter_of SPBC32C12.02 PMID:19056896 20131218 SPAC27D7.03c-promoter mei2 promoter SO:0000167 promoter_of SPAC27D7.03c PMID:19056896 20131218 SPAC1296.03c-promoter sxa2 promoter SO:0000167 promoter_of SPAC1296.03c PMID:15659165 20131218