2IBB | pdb_00002ibb

Crystal Structure of the First and Second FNIII Domains of Ihog

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2ibba1	All beta proteins	Immunoglobulin-like beta-sandwich	Fibronectin type III	Fibronectin type III	Hedgehog receptor iHog	fruit fly (Drosophila melanogaster ) [TaxId: 7227 ],	SCOPe (2.08)
A	d2ibba3	Artifacts	Tags	Tags	Tags	N-terminal Tags	fruit fly (Drosophila melanogaster ) [TaxId: 7227 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Fibronectin type III	8055199	3002063	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	fn3	e2ibbA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	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	PF00041	Fibronectin type III domain (fn3)	Fibronectin type III domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CG9211-PA	molecular transducer activity coreceptor activity signaling receptor activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity hedgehog family protein binding patched binding signaling receptor binding heparin binding glycosaminoglycan binding carbohydrate derivative binding molecular transducer activity coreceptor activity signaling receptor activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity hedgehog family protein binding patched binding signaling receptor binding heparin binding glycosaminoglycan binding carbohydrate derivative binding sulfur compound binding	developmental process multicellular organism development multicellular organismal process segmentation anatomical structure development pattern specification process regionalization segment specification cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling developmental process multicellular organism development multicellular organismal process segmentation anatomical structure development pattern specification process regionalization segment specification cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation smoothened signaling pathway cell communication cellular process signal transduction animal organ development wing disc development imaginal disc pattern formation imaginal disc development wing disc pattern formation maintenance of protein location localization macromolecule localization maintenance of protein location in extracellular region intracellular protein localization maintenance of location protein localization to extracellular region cuticle pattern formation cuticle development 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 projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation cellular component organization or biogenesis system development 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 anterior/posterior pattern specification, imaginal disc anterior/posterior pattern specification wing disc anterior/posterior pattern formation cell adhesion cell-cell adhesion homotypic cell-cell adhesion sensory organ development eye development visual system development compound eye development sensory system development	cellular anatomical structure membrane cell surface cell periphery plasma membrane cell projection cytoneme plasma membrane bounded cell projection axon neuron projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003598	Immunoglobulin subtype 2	Domain
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR003961	Fibronectin type III	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

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.