Annotations: 9BA4

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13927	Immunoglobulin domain (Ig_3)	Immunoglobulin domain	This family contains immunoglobulin-like domains.	Domain
A, B	PF00041	Fibronectin type III domain (fn3)	Fibronectin type III domain		Domain
A, B	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Contactin-2	binding carbohydrate binding cell adhesion molecule binding protein binding cell adhesion mediator activity cell-cell adhesion mediator activity	multicellular organismal process regulation of cellular process regulation of developmental process cellular developmental process negative regulation of biological process regulation of cell differentiation neurogenesis multicellular organism development neuron differentiation cell differentiation negative regulation of cellular process anatomical structure development negative regulation of cell differentiation system development multicellular organismal process regulation of cellular process regulation of developmental process cellular developmental process negative regulation of biological process regulation of cell differentiation neurogenesis multicellular organism development neuron differentiation cell differentiation negative regulation of cellular process anatomical structure development negative regulation of cell differentiation system development developmental process regulation of biological process negative regulation of developmental process biological regulation nervous system development generation of neurons cellular process negative regulation of neuron differentiation regulation of neuron differentiation regulation of neuron projection development axonogenesis regulation of cellular component organization regulation of cellular component size cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis regulation of axon diameter cellular component organization cell projection morphogenesis neuron projection morphogenesis regulation of axonogenesis cellular component organization or biogenesis regulation of biological quality regulation of anatomical structure morphogenesis plasma membrane bounded cell projection organization regulation of cell projection organization regulation of cell projection size axon development cell morphogenesis involved in neuron differentiation anatomical structure morphogenesis neuron development regulation of plasma membrane bounded cell projection organization regulation of anatomical structure size behavior system process learning learning or memory nervous system process cognition localization import into cell receptor internalization transport receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport astrocyte differentiation regulation of glial cell differentiation regulation of astrocyte differentiation central nervous system development gliogenesis glial cell differentiation cellular response to stimulus purinergic nucleotide receptor signaling pathway response to stimulus cell surface receptor signaling pathway signaling G protein-coupled purinergic receptor signaling pathway cell communication G protein-coupled receptor signaling pathway signal transduction G protein-coupled adenosine receptor signaling pathway forebrain development central nervous system neuron development substrate-independent telencephalic tangential migration cerebral cortex GABAergic interneuron differentiation interneuron migration central nervous system neuron differentiation telencephalon cell migration forebrain cell migration substrate-independent telencephalic tangential interneuron migration cerebral cortex GABAergic interneuron migration cell migration cell motility GABAergic neuron differentiation head development interneuron migration from the subpallium to the cortex neuron migration forebrain generation of neurons animal organ development brain development cerebral cortex GABAergic interneuron development forebrain neuron development telencephalon development cerebral cortex neuron differentiation forebrain neuron differentiation neuron recognition dendrite self-avoidance cell recognition regulation of neuronal synaptic plasticity regulation of synaptic plasticity trans-synaptic signaling regulation of signaling modulation of chemical synaptic transmission cell-cell signaling chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication fat cell differentiation cell adhesion presynaptic membrane organization membrane organization cell junction organization synapse organization cell-cell adhesion cell-cell adhesion via plasma-membrane adhesion molecules homophilic cell adhesion via plasma membrane adhesion molecules neuron projection fasciculation axonal fasciculation adult walking behavior adult locomotory behavior adult behavior locomotory behavior walking behavior positive regulation of cell communication positive regulation of signal transduction positive regulation of biological process positive regulation of adenosine receptor signaling pathway regulation of signal transduction positive regulation of response to stimulus regulation of G protein-coupled receptor signaling pathway positive regulation of cellular process positive regulation of G protein-coupled receptor signaling pathway regulation of adenosine receptor signaling pathway regulation of response to stimulus positive regulation of signaling reduction of food intake in response to dietary excess response to nutrient levels homeostatic process eating behavior feeding behavior multicellular organismal-level homeostasis response to dietary excess energy homeostasis macromolecule localization protein localization to juxtaparanode region of axon protein localization to axon intracellular protein localization cell maturation developmental maturation neuronal ion channel clustering clustering of voltage-gated potassium channels anatomical structure maturation neuron maturation regulation of cell morphogenesis oligodendrocyte development central nervous system myelination glial cell development myelination axon ensheathment in central nervous system oligodendrocyte differentiation axon ensheathment ensheathment of neurons regulation of protein maturation positive regulation of protein maturation positive regulation of protein metabolic process positive regulation of macromolecule biosynthetic process positive regulation of protein processing protein maturation regulation of primary metabolic process positive regulation of metabolic process regulation of proteolysis positive regulation of biosynthetic process proteolysis positive regulation of macromolecule metabolic process protein metabolic process regulation of biosynthetic process regulation of protein metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of proteolysis regulation of protein processing protein processing metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process cellular localization establishment of localization in cell axon guidance neuron projection guidance organelle organization microtubule cytoskeleton organization microtubule-based process cytoskeleton organization establishment of protein localization establishment of protein localization to juxtaparanode region of axon	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane axon cell projection main axon juxtaparanode region of axon cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane axon cell projection main axon juxtaparanode region of axon neuron projection plasma membrane bounded cell projection axon initial segment side of membrane somatodendritic compartment cell body neuronal cell body myelin sheath node of Ranvier cell surface

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR003599	Immunoglobulin domain subtype	Domain
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR007110	Immunoglobulin-like domain	Domain
A, B	IPR047102	Contactin-1/2, immunoglobulin domain 2	Domain
A, B	IPR003598	Immunoglobulin subtype 2	Domain
A, B	IPR013098	Immunoglobulin I-set	Domain
A, B	IPR003961	Fibronectin type III	Domain
A, B	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q02246	epilepsy, familial adult myoclonic, 5 astrocytic tumor benign adult familial myoclonic epilepsy malignant glioma pilocytic astrocytoma subependymal giant cell astrocytoma attention deficit hyperactivity disorder, inattentive type epilepsy glioblastoma medulloblastoma pituitary cancer atypical teratoid rhabdoid tumor epilepsy, familial adult myoclonic, 1 malignant ependymoma oligodendroglioma epilepsy, familial adult myoclonic, 5 astrocytic tumor benign adult familial myoclonic epilepsy malignant glioma pilocytic astrocytoma subependymal giant cell astrocytoma attention deficit hyperactivity disorder, inattentive type epilepsy glioblastoma medulloblastoma pituitary cancer atypical teratoid rhabdoid tumor epilepsy, familial adult myoclonic, 1 malignant ependymoma oligodendroglioma psoriasis

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.