taxonomy
-id
-species
-common_name
-taxonomy_id

protein
-id
-name
-reviewed
-uniprot 
--ac
--id
--nextprot
--genecards

composition
-id
-format_numeric
-format_glyconnect
-format-byonic
-format_condensed
-mass
-mass_monoisotpoic
-reviewed
-glytoucan_id

structure
-id
-glytoucan
reviewed
is_defined
has_image
-glycan_type
-glycan_core

site
-glyco_site
-location-

source
-cell_type
-id
-name
-cell_ontology_id

references
-id
title
-authors
-pmid
-doi
-year

diseases
-id
-name
-doid

peptides
-id: 
-sequence
-length