3VQG | pdb_00003vqg

Crystal Structure Analysis of the PDZ Domain Derived from the Tight Junction Regulating Protein

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)
A		e3vqgA1	A: beta-Grasp	X: Ubiquitin-related	H: Ubiquitin-like	T: FtsJ	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00595	PDZ domain (PDZ)	PDZ domain	PDZ domains are found in diverse signaling proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	C-terminal peptide from Immunoglobulin superfamily member 5	protein binding binding PDZ domain binding protein domain specific binding	cell adhesion cell-cell adhesion cellular process	cell surface cellular anatomical structure cell-cell junction apical junction complex bicellular tight junction tight junction anchoring junction cell junction cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane
A	E3 ubiquitin-protein ligase LNX	protein binding binding PDZ domain binding protein domain specific binding aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity transferase activity catalytic activity ubiquitin-protein transferase activity cation binding transition metal ion binding zinc ion binding protein binding binding PDZ domain binding protein domain specific binding aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity transferase activity catalytic activity ubiquitin-protein transferase activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding ubiquitin-like protein ligase activity ubiquitin protein ligase activity identical protein binding	catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process ubiquitin-dependent protein catabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process developmental process multicellular organismal process nervous system development catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process ubiquitin-dependent protein catabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process developmental process multicellular organismal process nervous system development developmental maturation synapse maturation cellular component organization multicellular organism development cell junction organization anatomical structure development synapse organization cellular component organization or biogenesis system development protein ubiquitination macromolecule modification post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal	cellular anatomical structure neuron to neuron synapse synapse cell junction hippocampal mossy fiber to CA3 synapse intracellular anatomical structure cytoplasm postsynapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR003599	Immunoglobulin domain subtype	Domain
B	IPR007110	Immunoglobulin-like domain	Domain
B	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
A	IPR017907	Zinc finger, RING-type, conserved site	Conserved Site
A	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR051342	PDZ domain-containing scaffold protein	Family
A	IPR001478	PDZ domain	Domain
A	IPR001841	Zinc finger, RING-type	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.