endoplasmic reticulum
E728821
The endoplasmic reticulum is a network of membranous tubules and sacs in eukaryotic cells that synthesizes proteins and lipids and plays a key role in their folding, modification, and transport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| endoplasmic reticulum canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8357417 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: endoplasmic reticulum Context triple: [Golgi apparatus, receivesCargoFrom, endoplasmic reticulum]
-
A.
Golgi apparatus
The Golgi apparatus is a membrane-bound organelle in eukaryotic cells that modifies, sorts, and packages proteins and lipids for secretion or delivery to other cellular destinations.
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B.
Cajal bodies
Cajal bodies are dynamic nuclear suborganelles involved in the biogenesis and maturation of small nuclear ribonucleoproteins (snRNPs) and other RNA-processing factors.
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C.
P-body
P-body is one of the two cooperative testing robots in the video game Portal 2, known for its tall, slender design and role in the game's co-op puzzle mode alongside Atlas.
-
D.
P-body
The P-body was General Motors' compact mid-engine car platform developed specifically for the Pontiac Fiero in the 1980s.
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E.
Cell
Cell is a leading peer-reviewed scientific journal that publishes high-impact research across the life sciences, particularly in molecular and cellular biology.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: endoplasmic reticulum Target entity description: The endoplasmic reticulum is a network of membranous tubules and sacs in eukaryotic cells that synthesizes proteins and lipids and plays a key role in their folding, modification, and transport.
-
A.
Golgi apparatus
The Golgi apparatus is a membrane-bound organelle in eukaryotic cells that modifies, sorts, and packages proteins and lipids for secretion or delivery to other cellular destinations.
-
B.
Cajal bodies
Cajal bodies are dynamic nuclear suborganelles involved in the biogenesis and maturation of small nuclear ribonucleoproteins (snRNPs) and other RNA-processing factors.
-
C.
P-body
P-body is one of the two cooperative testing robots in the video game Portal 2, known for its tall, slender design and role in the game's co-op puzzle mode alongside Atlas.
-
D.
P-body
The P-body was General Motors' compact mid-engine car platform developed specifically for the Pontiac Fiero in the 1980s.
-
E.
Cell
Cell is a leading peer-reviewed scientific journal that publishes high-impact research across the life sciences, particularly in molecular and cellular biology.
- F. None of above. chosen
Statements (105)
| Predicate | Object |
|---|---|
| instanceOf |
membrane-bound organelle
ⓘ
organelle ⓘ subcellular structure ⓘ |
| absentFrom | prokaryotic cells ⓘ |
| associatedWithDisease |
cancer
ⓘ
cardiovascular disease ⓘ congenital disorders of glycosylation ⓘ cystic fibrosis ⓘ diabetes mellitus ⓘ neurodegenerative diseases ⓘ |
| associatedWithProcess |
ER stress response
ⓘ
autophagy ⓘ co-translational translocation ⓘ lipid droplet biogenesis ⓘ post-translational translocation ⓘ secretory pathway ⓘ |
| connectedTo |
Golgi apparatus
NERFINISHED
ⓘ
mitochondrion ⓘ nuclear envelope ⓘ plasma membrane ⓘ |
| discoveredBy |
Albert Claude
NERFINISHED
ⓘ
Ernest F. Fullam NERFINISHED ⓘ Keith R. Porter NERFINISHED ⓘ |
| discoveryMethod | electron microscopy ⓘ |
| enclosedBy | phospholipid bilayer membrane ⓘ |
| hasFunction |
ER-associated degradation of misfolded proteins
ⓘ
N-linked glycosylation of proteins ⓘ antigen presentation precursor processing ⓘ assembly of membrane proteins ⓘ assembly of multiprotein complexes ⓘ assembly of secretory proteins ⓘ biosynthesis of ceramides ⓘ biosynthesis of dolichol phosphate ⓘ biosynthesis of ether lipids ⓘ biosynthesis of heme components ⓘ biosynthesis of triglycerides ⓘ buffering of cytosolic calcium levels ⓘ calcium signaling ⓘ calcium storage ⓘ cholesterol synthesis ⓘ degradation of misfolded glycoproteins ⓘ detoxification of xenobiotics ⓘ disulfide bond formation in proteins ⓘ drug metabolism ⓘ glucose homeostasis regulation ⓘ integration of tail-anchored proteins ⓘ interaction with mitochondria-associated membranes ⓘ lipid droplet formation ⓘ lipid synthesis ⓘ lipoprotein assembly ⓘ maintenance of cellular redox environment ⓘ membrane biogenesis ⓘ participation in innate immune signaling ⓘ phospholipid synthesis ⓘ protein folding ⓘ protein modification ⓘ protein quality control ⓘ protein synthesis ⓘ protein transport ⓘ quality control checkpoint before Golgi entry ⓘ regulation of apoptosis signaling ⓘ regulation of lipid composition of cellular membranes ⓘ retrotranslocation of misfolded proteins to cytosol ⓘ sarcoplasmic calcium reuptake in muscle cells ⓘ steroid hormone synthesis ⓘ storage of newly synthesized proteins prior to transport ⓘ synthesis of glycophosphatidylinositol anchors ⓘ synthesis of lysosomal enzymes ⓘ synthesis of proteins destined for endosomes ⓘ synthesis of proteins destined for lysosomes ⓘ synthesis of proteins destined for secretion ⓘ synthesis of proteins destined for the ER lumen ⓘ synthesis of proteins destined for the Golgi apparatus ⓘ synthesis of proteins destined for the plasma membrane ⓘ unfolded protein response activation ⓘ |
| hasPart |
ATF6
NERFINISHED
ⓘ
BiP NERFINISHED ⓘ ER exit sites ⓘ ER-associated degradation machinery ⓘ IP3 receptors ⓘ IRE1 NERFINISHED ⓘ PERK NERFINISHED ⓘ SERCA pumps NERFINISHED ⓘ calnexin NERFINISHED ⓘ calreticulin ⓘ chaperone proteins ⓘ cisternae ⓘ lumen ⓘ membrane ⓘ oligosaccharyltransferase complex ⓘ protein disulfide isomerase NERFINISHED ⓘ ribosome-binding sites ⓘ rough endoplasmic reticulum NERFINISHED ⓘ ryanodine receptors ⓘ smooth endoplasmic reticulum ⓘ translocon complexes ⓘ tubules ⓘ unfolded protein response sensors ⓘ |
| locatedIn | eukaryotic cell ⓘ |
| partOf | cytoplasm ⓘ |
| presentIn |
animal cells
ⓘ
fungal cells ⓘ plant cells ⓘ protist cells ⓘ |
| shape | network of membranous tubules and sacs ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: endoplasmic reticulum Description of subject: The endoplasmic reticulum is a network of membranous tubules and sacs in eukaryotic cells that synthesizes proteins and lipids and plays a key role in their folding, modification, and transport.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.