Annotations: 4V2E

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Pkinase	e4v2eB1	A: a/b three-layered sandwiches	X: Protein kinase/SAICAR synthase/ATP-grasp	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: Pkinase	ECOD (v294.1)
A	Pkinase	e4v2eA1	A: a/b three-layered sandwiches	X: Protein kinase/SAICAR synthase/ATP-grasp	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: Pkinase	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.80.10.10	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	Ribonuclease Inhibitor	CATH (4.3.0)
A	3.80.10.10	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	Ribonuclease Inhibitor	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13855	Leucine rich repeat (LRR_8)	Leucine rich repeat	-	Repeat
A, B	PF01462	Leucine rich repeat N-terminal domain (LRRNT)	Leucine rich repeat N-terminal domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 3	protein binding binding signaling receptor binding fibroblast growth factor receptor binding growth factor receptor binding identical protein binding protein homodimerization activity protein dimerization activity molecular function activator activity molecular function regulator activity signaling receptor regulator activity chemorepellent activity receptor ligand activity signaling receptor activator activity	response to stimulus response to stress response to wounding response to axon injury developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development positive regulation of nervous system development regulation of cellular process response to stimulus response to stress response to wounding response to axon injury developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development positive regulation of nervous system development regulation of cellular process positive regulation of cellular component organization regulation of cellular component organization regulation of developmental process positive regulation of biological process regulation of nervous system development positive regulation of developmental process cellular component organization cellular component biogenesis cellular component assembly cell junction assembly regulation of multicellular organismal process regulation of synapse structure or activity synapse organization cellular component organization or biogenesis regulation of synapse assembly regulation of biological quality positive regulation of cellular process regulation of multicellular organismal development regulation of biological process positive regulation of cellular component biogenesis biological regulation nervous system development regulation of cellular component biogenesis regulation of cell junction assembly positive regulation of cell junction assembly regulation of synapse organization cell junction organization positive regulation of multicellular organismal process cellular process synapse assembly positive regulation of synapse assembly head development cell adhesion cell-cell adhesion synaptic membrane adhesion cellular developmental process developmental growth cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell growth cell morphogenesis neurogenesis cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation neuron projection extension plasma membrane bounded cell projection organization developmental cell growth growth developmental growth involved in morphogenesis generation of neurons anatomical structure morphogenesis neuron development embryonic morphogenesis embryo development response to fibroblast growth factor cellular response to stimulus cellular response to growth factor stimulus cell surface receptor signaling pathway signaling response to endogenous stimulus cell surface receptor protein tyrosine kinase signaling pathway cell communication cellular response to endogenous stimulus fibroblast growth factor receptor signaling pathway response to growth factor signal transduction cellular response to fibroblast growth factor stimulus enzyme-linked receptor protein signaling pathway axonogenesis axon guidance axon development cell morphogenesis involved in neuron differentiation neuron projection guidance cell migration pericardium development cell motility proepicardium cell migration involved in pericardium morphogenesis pericardium morphogenesis epithelium development morphogenesis of an epithelium cell migration involved in heart development tissue development morphogenesis of an epithelial sheet tissue morphogenesis	cellular anatomical structure cell junction anchoring junction focal adhesion cell-substrate junction cell periphery postsynapse postsynaptic membrane synapse membrane plasma membrane plasma membrane region synaptic membrane growth cone cellular anatomical structure cell junction anchoring junction focal adhesion cell-substrate junction cell periphery postsynapse postsynaptic membrane synapse membrane plasma membrane plasma membrane region synaptic membrane growth cone axon cell projection distal axon neuron projection axonal growth cone plasma membrane bounded cell projection site of polarized growth cell-cell junction intracellular anatomical structure cytoplasm cytosol presynapse presynaptic membrane glutamatergic synapse membrane-bounded organelle organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane growth cone membrane axon terminus neuron projection terminus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000372	Leucine-rich repeat N-terminal domain	Domain
A, B	IPR050333	Small Leucine-Rich Proteoglycans	Family
A, B	IPR003591	Leucine-rich repeat, typical subtype	Repeat
A, B	IPR003961	Fibronectin type III	Domain
A, B	IPR001611	Leucine-rich repeat	Repeat
A, B	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A, B	IPR000483	Cysteine-rich flanking region, C-terminal	Domain

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.