Property talk:P8872

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has marker
a gene or a protein published as a marker of a species-specific cell type

Represents	lineage markers (Q6553374)
Data type	Item
Domain	cell type (Q189118), cell class (Q104852483) or cell (Q7868)
Example	human astrocyte (Q67801129) → GFAP (Q14864879) human t helper cell (Q101404876) → CD4 molecule (Q412587)
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) Chart by item creation date Database reports/Constraint violations/P8872 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 16,161 Main statement 16,159 >99.9% of uses Qualifier 2 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “cell type (Q189118), cell class (Q104852483), cell (Q7868)”: item must contain property “instance of (P31), subclass of (P279)” with classes “cell type (Q189118), cell class (Q104852483), cell (Q7868)” 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/P8872#Type Q189118, Q104852483, Q7868, SPARQL

Value type “protein (Q8054), gene (Q7187), protein-containing complex (Q22325163)”: 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 protein (Q8054), gene (Q7187), protein-containing complex (Q22325163) (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/P8872#Value type Q8054, Q7187, Q22325163, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (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/P8872#Scope, SPARQL

Citation needed: the property must have at least one reference (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/P8872#citation needed

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (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/P8872#Entity types