4LI1 | pdb_00004li1

Crystal Structures of Lgr4 and its complex with R-spondin1

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth A]	Furin-like_2	e4li1A1	A: a/b three-layered sandwiches	X: immunoglobulin/albumin-binding domain-like	H: EGF-related	T: Complement control module/SCR domain	F: Furin-like_2	ECOD (v294.1)
A [auth B]	LRR_1	e4li1B3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: HTH	T: winged helix domain	F: LRR_1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth 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)
A [auth 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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A]	PF13855	Leucine rich repeat (LRR_8)	Leucine rich repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A]	Leucine-rich repeat-containing G-protein coupled receptor 4	molecular transducer activity protein-hormone receptor activity signaling receptor activity identical protein binding protein binding binding transmembrane signaling receptor activity	multicellular organismal process tissue remodeling bone remodeling regulation of cellular process negative regulation of biological process negative regulation of cellular process cytokine production regulation of cytokine production regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process negative regulation of metabolic process biological regulation multicellular organismal process tissue remodeling bone remodeling regulation of cellular process negative regulation of biological process negative regulation of cellular process cytokine production regulation of cytokine production regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process negative regulation of metabolic process biological regulation negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process negative regulation of multicellular organismal process regulation of metabolic process developmental process cellular developmental process ossification cell differentiation osteoblast differentiation cellular response to stimulus positive regulation of response to biotic stimulus pattern recognition receptor signaling pathway response to stimulus toll-like receptor signaling pathway regulation of signal transduction response to biotic stimulus cell communication immune response-activating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process innate immune response-activating signaling pathway immune response response to other organism regulation of innate immune response response to external stimulus regulation of response to stimulus defense response to other organism regulation of pattern recognition receptor signaling pathway positive regulation of defense response activation of innate immune response regulation of immune response regulation of toll-like receptor signaling pathway activation of immune response regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of response to external stimulus signaling negative regulation of signaling positive regulation of biological process negative regulation of cell communication positive regulation of response to stimulus positive regulation of response to external stimulus immune response-regulating signaling pathway regulation of response to stress response to stress innate immune response response to external biotic stimulus regulation of signaling positive regulation of innate immune response defense response negative regulation of response to stimulus defense response to symbiont negative regulation of signal transduction negative regulation of toll-like receptor signaling pathway negative regulation of immune system process immune system process regulation of cell communication spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation bone mineralization animal organ development anatomical structure development biomineral tissue development tissue development rhythmic process cell surface receptor signaling pathway Wnt signaling pathway G protein-coupled receptor signaling pathway positive regulation of cell communication positive regulation of signal transduction regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway positive regulation of Wnt signaling pathway positive regulation of cellular process positive regulation of canonical Wnt signaling pathway regulation of Wnt signaling pathway positive regulation of signaling	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A]	IPR001611	Leucine-rich repeat	Repeat
A [auth B], B [auth A]	IPR003591	Leucine-rich repeat, typical subtype	Repeat
A [auth B], B [auth A]	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
A [auth B], B [auth A]	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR002131	Glycoprotein hormone receptor family	Family
A [auth B], B [auth A]	IPR017452	GPCR, rhodopsin-like, 7TM	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.