Annotations: 1Y9J

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Sec1_1st_1	e1y9jA1	A: a/b three-layered sandwiches	X: Rossmann-like domains in Sec1/munc18-like proteins (From Topology)	H: Rossmann-like domains in Sec1/munc18-like proteins (From Topology)	T: Rossmann-like domains in Sec1/munc18-like proteins	F: Sec1_1st_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.2060	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Sec1/Munc18 (SM) protein, domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Sec1 family domain containing protein 1	protein binding binding SNARE binding syntaxin binding protein-containing complex binding	cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell macromolecule localization cellular process intracellular protein localization intracellular protein transport retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell macromolecule localization cellular process intracellular protein localization intracellular protein transport retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum Golgi vesicle transport vesicle-mediated transport post-Golgi vesicle-mediated transport response to decreased oxygen levels response to stimulus response to hypoxia response to stress response to oxygen levels response to abiotic stimulus regulation of localization regulation of biological process regulation of cellular process regulation of ER to Golgi vesicle-mediated transport regulation of transport biological regulation endoplasmic reticulum to Golgi vesicle-mediated transport regulation of vesicle-mediated transport regulation of cellular localization regulation of intracellular transport catabolic process regulation of cellular component organization macroautophagy autophagy negative regulation of biological process negative regulation of organelle assembly autophagosome organization regulation of autophagy cellular component biogenesis cellular component organization cellular component assembly negative regulation of cellular process cellular component organization or biogenesis process utilizing autophagic mechanism negative regulation of autophagosome assembly negative regulation of catabolic process autophagosome assembly organelle assembly vacuole organization negative regulation of cellular component organization negative regulation of metabolic process regulation of autophagosome assembly regulation of vacuole organization regulation of catabolic process regulation of cellular component biogenesis regulation of organelle organization negative regulation of macroautophagy organelle organization regulation of macroautophagy negative regulation of organelle organization negative regulation of autophagy regulation of organelle assembly metabolic process regulation of metabolic process response to chemical response to toxic substance regulation of protein localization regulation of establishment of protein localization regulation of protein transport	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus cis-Golgi network organelle intracellular membrane-bounded organelle cytoplasm endomembrane system Golgi membrane membrane bounding membrane of organelle organelle membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus cis-Golgi network organelle intracellular membrane-bounded organelle cytoplasm endomembrane system Golgi membrane membrane bounding membrane of organelle organelle membrane intracellular vesicle cytoplasmic vesicle Golgi-associated vesicle vesicle Golgi cisterna membrane Golgi apparatus subcompartment organelle subcompartment Golgi cisterna Golgi stack endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043154	Sec1-like, domain 1	Homologous Superfamily
A	IPR036045	Sec1-like superfamily	Homologous Superfamily
A	IPR027482	Sec1-like, domain 2	Homologous Superfamily
A	IPR043127	Sec1-like, domain 3a	Homologous Superfamily
A	IPR001619	Sec1-like protein	Family

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.