<urn:biopax:ModificationFeature:CTNB1_HUMAN_1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.biopax.org/release/biopax-level3.owl#ModificationFeature> .
<urn:biopax:ModificationFeature:CTNB1_HUMAN_1> <http://www.biopax.org/release/biopax-level3.owl#comment> "MOD_RES 23 23 Phosphoserine; by GSK3-beta."^^<http://www.w3.org/2001/XMLSchema#string> .
<urn:biopax:ModificationFeature:CTNB1_HUMAN_1> <http://www.biopax.org/release/biopax-level3.owl#featureLocation> <urn:biopax:SequenceSite:CTNB1_HUMAN_23> .
<urn:biopax:ModificationFeature:CTNB1_HUMAN_1> <http://www.biopax.org/release/biopax-level3.owl#modificationType> <urn:biopax:SequenceModificationVocabulary:Phosphoserine> .