Annotations: 7MRM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth A]	Secretin_N	e7mrmA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Secretin_N	ECOD (v294.1)
A [auth B]	Secretin_N	e7mrmB1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Secretin_N	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth A]	3.90.570.10	Alpha Beta	Alpha-Beta Complex	Sugar Binding Protein, Amyloid A4 Protein	Chain A	CATH (utative)
A [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A [auth B]	3.90.570.10	Alpha Beta	Alpha-Beta Complex	Sugar Binding Protein, Amyloid A4 Protein	Chain A	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A]	Fusion protein of Chicken CNTN3 FN1-FN2 domains and Amyloid-beta A4 protein,Amyloid-beta A4 protein	cation binding transition metal ion binding ion binding binding metal ion binding small molecule binding enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity cation binding transition metal ion binding ion binding binding metal ion binding small molecule binding enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity molecular function activator activity heparin binding glycosaminoglycan binding carbohydrate derivative binding sulfur compound binding	localization import into cell transport cellular process endocytosis establishment of localization vesicle-mediated transport apoptotic process cell death programmed cell death regulation of biological process regulation of cellular process biological regulation positive regulation of biological process localization import into cell transport cellular process endocytosis establishment of localization vesicle-mediated transport apoptotic process cell death programmed cell death regulation of biological process regulation of cellular process biological regulation positive regulation of biological process regulation of macromolecule metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular process cell adhesion regulation of protein metabolic process primary metabolic process regulation of primary metabolic process protein metabolic process	somatodendritic compartment cell body cellular anatomical structure perikaryon neuronal cell body clathrin-coated pit membrane endomembrane system membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle somatodendritic compartment cell body cellular anatomical structure perikaryon neuronal cell body clathrin-coated pit membrane endomembrane system membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle organelle Golgi-associated vesicle cytoplasm vesicle cell surface cell periphery plasma membrane growth cone axon cell projection distal axon neuron projection plasma membrane bounded cell projection site of polarized growth early endosome endosome Golgi apparatus extracellular region secretory vesicle nucleus endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A]	IPR019744	Amyloidogenic glycoprotein, copper-binding domain conserved site	Conserved Site
A [auth B], B [auth A]	IPR013803	Amyloidogenic glycoprotein, amyloid-beta peptide	Domain
A [auth B], B [auth A]	IPR019745	Amyloidogenic glycoprotein, intracellular domain, conserved site	Conserved Site
A [auth B], B [auth A]	IPR011178	Amyloidogenic glycoprotein, copper-binding	Domain
A [auth B], B [auth A]	IPR002223	Pancreatic trypsin inhibitor Kunitz domain	Domain
A [auth B], B [auth A]	IPR008154	Amyloidogenic glycoprotein, extracellular	Domain
A [auth B], B [auth A]	IPR015849	Amyloidogenic glycoprotein, heparin-binding	Domain
A [auth B], B [auth A]	IPR037071	Amyloidogenic glycoprotein, amyloid-beta peptide superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR011993	PH-like domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR019543	Beta-amyloid precursor protein C-terminal	Domain
A [auth B], B [auth A]	IPR036176	E2 domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR036454	Amyloidogenic glycoprotein, heparin-binding domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR020901	Proteinase inhibitor I2, Kunitz, conserved site	Conserved Site
A [auth B], B [auth A]	IPR036880	Pancreatic trypsin inhibitor Kunitz domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR024329	Amyloidogenic glycoprotein, E2 domain	Domain
A [auth B], B [auth A]	IPR036669	Amyloidogenic glycoprotein, copper-binding domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR008155	Amyloidogenic glycoprotein	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.