Property talk:P660

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EC enzyme classification
the Enzyme Commission (EC)-based accepted name of any enzyme classifications of the protein or RNA molecule

Description	the Enzyme Commission (EC)-based accepted name of any enzyme classifications of the protein or RNA molecule. May be the same as the name of an item about a protein or RNA molecule, but should only link from protein or RNA items to items that are a subclass of enzyme (Q8047) and have an EC enzyme number (P591) value.
Data type	Item
Template parameter	Template:Infobox_enzyme = name
Domain	According to this template: protein (Q8054), RNA (Q11053) (not enzyme (Q8047)) According to statements in the property: biopolymer (Q422649) When possible, data should only be stored as statements
Allowed values	Names of enzymes that have an EC enzyme number (P591) value (note: this should be moved to the property statements)
Usage notes	Should not be used for claims in enzyme items.
Example	reelin (Q13561329) → serine endopeptidase (Q420032) Pappalysin 1 (Q1476411) → pappalysin-1 (Q13107614)
Source	http://www.chem.qmul.ac.uk/iubmb/enzyme (for the EC accepted names) https://www.wikidata.org/wiki/Q905695 (for protein → enzyme mappings)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P660 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 4 Main statement 2 50% of uses Qualifier 2 50% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “biopolymer (Q422649)”: item must contain property “instance of (P31)” with classes “biopolymer (Q422649)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P660#Type Q422649, SPARQL

Value type “group or class of enzymes (Q67015883)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value group or class of enzymes (Q67015883) (or a subclass thereof). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P660#Value type Q67015883, SPARQL

Property “EC enzyme number (P591)” declared by target items of “EC enzyme classification (P660)”: If [item A] has this property with value [item B], [item B] is required to have property “EC enzyme number (P591)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P660#Target required claim P591, SPARQL, SPARQL (by value)

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P660#Scope, hourly updated report, SPARQL

obsolete / unused / rename

Used in 2 items. Instead of trying to link to the already obsolete EC classfication this property could be renamed "enzyme class" and link to our own enzyme class ontology, which follows the Gene Ontology molecular function hierarchy. SCIdude (talk) 16:48, 6 October 2022 (UTC)