Annotations: 4V2C

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF13855	e4v2cA1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: PF13855	ECOD (1.6)
C	PF13855	e4v2cC1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: PF13855	ECOD (1.6)
B	F_UNCLASSIFIED	e4v2cB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e4v2cD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
C	3.80.10.10	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	Ribonuclease Inhibitor	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF13855	Leucine rich repeat (LRR_8)	Leucine rich repeat	-	Repeat
A, C	PF01463	Leucine rich repeat C-terminal domain (LRRCT)	Leucine rich repeat C-terminal domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 2	protein binding binding signaling receptor binding fibroblast growth factor receptor binding growth factor receptor binding molecular function activator activity molecular function regulator activity signaling receptor regulator activity chemorepellent activity receptor ligand activity signaling receptor activator activity	developmental process heart development multicellular organismal process heart morphogenesis animal organ development cell adhesion involved in heart morphogenesis circulatory system development multicellular organism development anatomical structure morphogenesis cell adhesion anatomical structure development animal organ morphogenesis cellular process system development developmental process heart development multicellular organismal process heart morphogenesis animal organ development cell adhesion involved in heart morphogenesis circulatory system development multicellular organism development anatomical structure morphogenesis cell adhesion anatomical structure development animal organ morphogenesis cellular process system development positive regulation of nervous system development positive regulation of cellular component organization regulation of cellular process 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 synapse assembly positive regulation of synapse assembly response to fibroblast growth factor cellular response to stimulus cellular response to growth factor stimulus response to 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 cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis neurogenesis cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation plasma membrane bounded cell projection organization axon guidance axon development cell morphogenesis involved in neuron differentiation generation of neurons neuron projection guidance neuron development regulation of cell motility neuron migration regulation of neuron migration regulation of locomotion regulation of cell migration cell migration cell motility locomotion extracellular matrix organization basement membrane organization extracellular structure organization external encapsulating structure organization	anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction cell-cell junction synapse cell periphery plasma membrane membrane extracellular region extracellular space membrane-bounded organelle intracellular anatomical structure anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction cell-cell junction synapse cell periphery plasma membrane membrane extracellular region extracellular space membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane cell projection neuron projection plasma membrane bounded cell projection
B, D	PROTEIN UNC5D	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity netrin receptor activity	cell adhesion cell-cell adhesion cellular process cell-cell adhesion via plasma-membrane adhesion molecules multicellular organismal process axonogenesis cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis cellular component organization neurogenesis cell adhesion cell-cell adhesion cellular process cell-cell adhesion via plasma-membrane adhesion molecules multicellular organismal process axonogenesis cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis cellular component organization neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation anatomical structure development cellular component organization or biogenesis system development developmental process plasma membrane bounded cell projection organization axon guidance nervous system development axon development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis neuron projection guidance neuron development pyramidal neuron differentiation apoptotic process cell death programmed cell death regulation of biological process regulation of cell motility regulation of cellular process neuron migration biological regulation regulation of neuron migration regulation of locomotion regulation of cell migration cell migration cell motility locomotion	cell surface cellular anatomical entity cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR000372	Leucine-rich repeat N-terminal domain	Domain
A, C	IPR003961	Fibronectin type III	Domain
A, C	IPR001611	Leucine-rich repeat	Repeat
A, C	IPR003591	Leucine-rich repeat, typical subtype	Repeat
A, C	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A, C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, C	IPR000483	Cysteine-rich flanking region, C-terminal	Domain
A, C	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
B, D	IPR000884	Thrombospondin type-1 (TSP1) repeat	Repeat
B, D	IPR042058	UNC5D, Death domain	Domain
B, D	IPR011029	Death-like domain superfamily	Homologous Superfamily
B, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, D	IPR003599	Immunoglobulin subtype	Domain
B, D	IPR003598	Immunoglobulin subtype 2	Domain
B, D	IPR037936	Netrin receptor UNC5	Family
B, D	IPR036383	Thrombospondin type-1 (TSP1) repeat superfamily	Homologous Superfamily
B, D	IPR033772	UPA domain	Domain
B, D	IPR000488	Death domain	Domain
B, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, D	IPR007110	Immunoglobulin-like domain	Domain
B, D	IPR013098	Immunoglobulin I-set	Domain
B, D	IPR000906	ZU5 domain	Domain