{"id":"3733bf9f-0a3c-521d-90f9-9fc8561a6201","stable_key":"ec987f3e-0b3c-55cc-b304-c703a738e35d:egcg-phosphatase","predicate":"activates","statement":"MYPT1 dephosphorylation accompanied activation of myosin phosphatase.","claim_class":"mechanistic","status":"source_derived_draft","evidence_grade":"ungraded","direction":"positive","is_public":true,"mechanism_event_id":"26bf447a-fc11-5ff3-adaa-7d02c7b45b63","mechanism_event_label":"Changing MYPT1 changed phosphatase activity.","subject":{"id":"22e1b8eb-f35f-5afa-be20-b0534df9f6be","slug":"egcg","display_name":"Epigallocatechin-3-gallate (EGCG)","entity_type_key":"small_molecule"},"object":{"id":"8e2312f1-9b56-57de-ba11-18c2997b889c","slug":"myosin-phosphatase-activity","display_name":"Myosin phosphatase activity","entity_type_key":"cellular_process"},"evidence_count":1,"mechanism_event":{"id":"26bf447a-fc11-5ff3-adaa-7d02c7b45b63","stable_key":"ec987f3e-0b3c-55cc-b304-c703a738e35d:egcg-phosphatase-event","event_type":"observed_relationship","label":"Changing MYPT1 changed phosphatase activity.","description":"MYPT1 dephosphorylation accompanied activation of myosin phosphatase.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"22e1b8eb-f35f-5afa-be20-b0534df9f6be","slug":"egcg","display_name":"Epigallocatechin-3-gallate (EGCG)","entity_type_key":"small_molecule"},"role":"subject","stoichiometry":null,"state_label":"","sequence_order":0,"notes":""},{"entity":{"id":"8e2312f1-9b56-57de-ba11-18c2997b889c","slug":"myosin-phosphatase-activity","display_name":"Myosin phosphatase activity","entity_type_key":"cellular_process"},"role":"target","stoichiometry":null,"state_label":"","sequence_order":1,"notes":""},{"entity":{"id":"f3e7f45d-c517-54f4-bdf9-6628399b127b","slug":"mypt1-family","display_name":"Myosin phosphatase targeting subunit 1 family / MYPT1","entity_type_key":"protein_family"},"role":"context_participant","stoichiometry":null,"state_label":"","sequence_order":2,"notes":""}]},"contexts":[{"dimension":"experimental_model","value_text":"Genetic screen, cell signaling and experimental tumor-growth models.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Pathway dependency in these models does not establish human cancer treatment or a dietary threshold.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"nutrient_topic","value_text":"EGCG collection; comparator and shared-pathway records retain their actual intervention.","comparator":null,"unit":null,"notes":"","entity":{"slug":"egcg","display_name":"Epigallocatechin-3-gallate (EGCG)","entity_type_key":"small_molecule"}},{"dimension":"plain_language","value_text":"Changing MYPT1 changed phosphatase activity.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"Green tea polyphenol epigallocatechin-3-gallate signaling pathway through 67-kDa laminin receptor. · 2008 · https://pubmed.ncbi.nlm.nih.gov/18079119/ · DOI 10.1074/jbc.m707892200","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"1b91d547-410a-5342-b858-ed458e64ed54","evidence_kind":"source_excerpt","locator":"Lines 44-50","start_line":44,"end_line":50,"excerpt":"## egcg-phosphatase\nChanging MYPT1 changed phosphatase activity.\nMYPT1 dephosphorylation accompanied activation of myosin phosphatase.\nModel: Genetic screen, cell signaling and experimental tumor-growth models.\nLimitations: Pathway dependency in these models does not establish human cancer treatment or a dietary threshold.\nEvidence access: primary abstract.\nGreen tea polyphenol epigallocatechin-3-gallate signaling pathway through 67-kDa laminin receptor. · 2008 · https://pubmed.ncbi.nlm.nih.gov/18079119/ · DOI 10.1074/jbc.m707892200","model_system":"Genetic screen, cell signaling and experimental tumor-growth models.","directness":"reported_statement","verification_status":"source_derived_draft","notes":"Primary-abstract paraphrase; no full-text methods verification claimed.","relationship":"supports","weight":1.0,"link_notes":"","source":{"id":"1f6d09e8-3aae-5c41-9ea7-15d0d1cab72d","stable_key":"import-ec987f3e-0b3c-55cc-b304-c703a738e35d","title":"EGCG: receptor signaling, metabolism, nutrient interactions and discovery questions (2026-09-18)","document_type":"imported_text","citation_label":"AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text.","file_path":"","sha256":"b101c8d4d96ee03ff97eb1922c7bb0f96943295af473fdc3ef98b0dbd62fe8c7","revision_id":"e19bc5b2-ee3c-5f67-b5c5-9dc3b7d5f850","review_status":"unverified_draft","notes":""}}],"relations":[],"conflicts":[],"corrections":[],"research":null}