Name	Info	Provider	Link
SAK	free resource	BioCyc	https://biocyc.org/gene?orgid=FLY&id=FBGN0026371
	free resource	FlyBase	http://flybase.org/cgi-bin/uniq.html?db=fbrf&field=pubmed_id&context=19171756
Gene Ontology annotations from this paper	free resource	Gene Ontology	http://amigo.geneontology.org/amigo/reference/PMID:19171756
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/19171756/
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19171756/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/19171756
	free resource	Silverchair Information Systems	https://rupress.org/jcb/article-lookup/doi/10.1083/jcb.200808049