Reported (emailed) by Rudolf Pillich (UCSD, NDEx).
Pathway Commons.7.Database of Interacting Proteins.BIOPAX.owl: this reference has no id attribute in it.
TAXONOMY/bp:db
/bp:UnificationXref
Pathway Commons.7.PhosphoSitePlus.BIOPAX.owl: this segment has no id attribute, it has no db attribute either.
REPLACED http://www.phosphosite.org/phosphosite.owl#xref_32670100/bp:comment
/bp:UnificationXref
Pathway Commons.7.PANTHER Pathway.BIOPAX.owl: this XREF segment is missing db and id attributes.
REPLACED TRANSLATION/bp:comment
/bp:RelationshipXref
TODO: 1. can be fixed in the psimi-converter (Paxtools); 2. and 3. and alike - in cPath2, after merge stage or in each provider-specific "cleaner" - simply iterate over all Xrefs and remove bad ones (that have either no 'id' or 'db' or both).
Reported (emailed) by Rudolf Pillich (UCSD, NDEx).
TODO: 1. can be fixed in the psimi-converter (Paxtools); 2. and 3. and alike - in cPath2, after merge stage or in each provider-specific "cleaner" - simply iterate over all Xrefs and remove bad ones (that have either no 'id' or 'db' or both).