Annotations: 9Y0A

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth C]	SCOP2B Superfamily	Bet v1-like	8036369	3000738	SCOP2B (2022-06-29)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth B]	Light Chain	IGLV1	Lambda	major pollen allergen bet v 1-a	SAbDab (2026-03-06)
B [auth A]	Heavy Chain	IGHV4	-	major pollen allergen bet v 1-a	SAbDab (2026-03-06)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth B]	hIgE Fab 2H22 light chain	-	-	-
B [auth A]	hIgE Fab 2H22 heavy chain	-	-	-
A [auth C]	Major pollen allergen Bet v 1-A	enzyme regulator activity phosphatase inhibitor activity molecular function inhibitor activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity protein phosphatase inhibitor activity enzyme inhibitor activity molecular transducer activity signaling receptor activity organic acid binding binding alcohol binding isoprenoid binding enzyme regulator activity phosphatase inhibitor activity molecular function inhibitor activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity protein phosphatase inhibitor activity enzyme inhibitor activity molecular transducer activity signaling receptor activity organic acid binding binding alcohol binding isoprenoid binding hormone binding ion binding abscisic acid binding anion binding lipid binding carboxylic acid binding monocarboxylic acid binding small molecule binding	cellular response to stimulus regulation of cellular process response to stimulus response to lipid abscisic acid-activated signaling pathway signaling hormone-mediated signaling pathway cell communication cellular response to endogenous stimulus response to hormone signal transduction cellular response to hormone stimulus cellular response to abscisic acid stimulus regulation of biological process cellular response to stimulus regulation of cellular process response to stimulus response to lipid abscisic acid-activated signaling pathway signaling hormone-mediated signaling pathway cell communication cellular response to endogenous stimulus response to hormone signal transduction cellular response to hormone stimulus cellular response to abscisic acid stimulus regulation of biological process response to abscisic acid response to alcohol response to endogenous stimulus biological regulation response to oxygen-containing compound cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to alcohol response to chemical cellular response to lipid cellular process defense response response to stress	cellular anatomical structure intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C]	IPR024949	Bet v I type allergen	Family
A [auth C]	IPR000916	Bet v I/Major latex protein	Domain
A [auth C]	IPR050279	Plant defense and hormone signaling protein	Family
A [auth C]	IPR023393	START-like domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.