biopterin (CHEBI:15373) is a child of coenzyme with an unvalidated link to the parent. 5,6,7,8-tetrahydrobiopterin (CHEBI:15372) is stated to be a prosthetic group in reference 9131257 and the pubmed search "5,6,7,8-tetrahydrobiopterin" AND coenzyme has 1473 hits. So maybe 5,6,7,8-tetrahydrobiopterin (CHEBI:15372) should be a child of both coenzyme and prosthetic group? Maybe replace CHEBI:15373 as a child of coenzyme with CHEBI:15372?
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Hi Julia
Biopterin link now validated.
I've made tetrahydrobiopterin a child of both coenzyme and prosthetic group. However I don't see any reason to remove the link between biopterin and coenzyme, so have left this.
Thanks very much for your input
Marcus