diff --git a/src/patterns/data/default/entity_attribute_location.tsv b/src/patterns/data/default/entity_attribute_location.tsv
index 5fb44ce2..44d075b6 100644
--- a/src/patterns/data/default/entity_attribute_location.tsv
+++ b/src/patterns/data/default/entity_attribute_location.tsv
@@ -8053,3 +8053,4 @@ OBA:2052958		PR:O75356		PATO:0000070	amount	UBERON:0000178	blood				PMID:3841286
 OBA:2052959		PR:P51531		PATO:0000070	amount	UBERON:0000178	blood				PMID:38412862	https://orcid.org/0000-0001-6757-4744
 OBA:2052960		PR:P00441		PATO:0000070	amount	UBERON:0000178	blood				PMID:38412862	https://orcid.org/0000-0001-6757-4744
 OBA:VT0005007	bone mineral amount	CHEBI:46662	mineral	PATO:0000070	amount	UBERON:0001474	bone element	bone mineral mass				https://orcid.org/0000-0001-8314-2140
+OBA:2045560	amount of iron in brain	CHEBI:18248	iron atom	PATO:0000070	amount	UBERON:0000955	brain	brain iron amount			PMID:38789058	https://orcid.org/0000-0001-8314-2140
diff --git a/src/patterns/definitions.owl b/src/patterns/definitions.owl
index 1fce7e6e..208ade05 100644
--- a/src/patterns/definitions.owl
+++ b/src/patterns/definitions.owl
@@ -7,8 +7,8 @@ Prefix(rdfs:=<http://www.w3.org/2000/01/rdf-schema#>)
 
 
 Ontology(<http://purl.obolibrary.org/obo/oba/patterns/definitions.owl>
-<http://purl.obolibrary.org/obo/oba/releases/2025-02-12/patterns/definitions.owl>
-Annotation(owl:versionInfo "2025-02-12")
+<http://purl.obolibrary.org/obo/oba/releases/2025-02-24/patterns/definitions.owl>
+Annotation(owl:versionInfo "2025-02-24")
 
 Declaration(Class(<http://purl.obolibrary.org/obo/CHEBI_10033>))
 Declaration(Class(<http://purl.obolibrary.org/obo/CHEBI_10112>))
@@ -12263,6 +12263,7 @@ Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2045556>))
 Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2045557>))
 Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2045558>))
 Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2045559>))
+Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2045560>))
 Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2050001>))
 Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2050002>))
 Declaration(Class(<http://purl.obolibrary.org/obo/OBA_2050003>))
@@ -109487,6 +109488,16 @@ AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#has
 AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/OBA_2045559> "bone density")
 EquivalentClasses(<http://purl.obolibrary.org/obo/OBA_2045559> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/PATO_0001019> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0000052> <http://purl.obolibrary.org/obo/UBERON_0001474>)))
 
+# Class: <http://purl.obolibrary.org/obo/OBA_2045560> (amount of iron in brain)
+
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "AUTO:patterns/patterns/entity_attribute_location") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/OBA_2045560> "The amount of a iron atom when measured in brain.")
+AnnotationAssertion(<http://purl.org/dc/terms/contributor> <http://purl.obolibrary.org/obo/OBA_2045560> "https://orcid.org/0000-0001-8314-2140")
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <http://purl.obolibrary.org/obo/OBA_2045560> "PMID:38789058")
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/OBA_2045560> "brain iron amount")
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "AUTO:patterns/patterns/entity_attribute_location") <http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/OBA_2045560> "brain iron atom amount")
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/OBA_2045560> "amount of iron in brain")
+EquivalentClasses(<http://purl.obolibrary.org/obo/OBA_2045560> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/PATO_0000070> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0000052> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/CHEBI_18248> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/UBERON_0000955>)))))
+
 # Class: <http://purl.obolibrary.org/obo/OBA_2050001> (ascending aorta diameter)
 
 AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "AUTO:patterns/patterns/entity_attribute") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/OBA_2050001> "The diameter of a ascending aorta.")