2I1N

Crystal structure of the 1st PDZ domain of Human DLG3

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2i1na1	All beta proteins	PDZ domain-like	PDZ domain-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2i1na2	Artifacts	Tags	Tags	Tags	C-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2i1nb1	All beta proteins	PDZ domain-like	PDZ domain-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2i1nb3	Artifacts	Tags	Tags	Tags	C-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2i1nb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00595	e2i1nA1	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PF00595	ECOD (1.6)
B	PF00595	e2i1nB1	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PF00595	ECOD (1.6)

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)
B	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, B	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
A, B	Discs, large homolog 3	protein binding binding kinase binding enzyme binding phosphatase binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding	regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality localization receptor localization to synapse protein-containing complex localization regulation of cellular process positive regulation of phosphorylation regulation of catalytic activity regulation of transferase activity positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of metabolic process regulation of phosphate metabolic process regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality localization receptor localization to synapse protein-containing complex localization regulation of cellular process positive regulation of phosphorylation regulation of catalytic activity regulation of transferase activity positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of metabolic process regulation of phosphate metabolic process peptidyl-amino acid modification phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process protein modification process phosphorus metabolic process positive regulation of protein phosphorylation regulation of biological process protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation cellular metabolic process regulation of protein metabolic process primary metabolic process regulation of cellular metabolic process regulation of molecular function positive regulation of kinase activity regulation of protein tyrosine kinase activity regulation of kinase activity macromolecule modification metabolic process regulation of phosphorus metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of biological process positive regulation of cellular metabolic process peptidyl-tyrosine modification positive regulation of molecular function positive regulation of protein modification process positive regulation of peptidyl-tyrosine phosphorylation organic substance metabolic process protein metabolic process positive regulation of protein kinase activity positive regulation of cellular process organonitrogen compound metabolic process positive regulation of transferase activity positive regulation of protein tyrosine kinase activity regulation of peptidyl-tyrosine phosphorylation positive regulation of catalytic activity regulation of macromolecule metabolic process regulation of protein kinase activity cellular process regulation of phosphorylation peptidyl-tyrosine phosphorylation negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation negative regulation of cellular process negative regulation of biological process trans-synaptic signaling synaptic signaling signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission cell communication cell adhesion cell-cell adhesion protein localization cellular localization receptor clustering cellular macromolecule localization macromolecule localization localization within membrane protein localization to membrane developmental process anatomical structure morphogenesis tissue morphogenesis establishment of planar polarity establishment of tissue polarity epithelium development morphogenesis of a polarized epithelium anatomical structure development morphogenesis of an epithelium tissue development establishment or maintenance of bipolar cell polarity establishment or maintenance of epithelial cell apical/basal polarity establishment or maintenance of apical/basal cell polarity establishment or maintenance of cell polarity	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region protein-containing complex plasma membrane protein complex membrane protein complex transporter complex receptor complex AMPA glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex monoatomic ion channel complex intracellular anatomical structure cytoplasm cytosol basal part of cell basal plasma membrane basolateral plasma membrane glutamatergic synapse cell projection neuron projection plasma membrane bounded cell projection cell-cell junction adherens junction anchoring junction neuromuscular junction apical junction complex bicellular tight junction tight junction extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR008145	Guanylate kinase/L-type calcium channel beta subunit	Domain
A, B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A, B	IPR020590	Guanylate kinase, conserved site	Conserved Site
A, B	IPR019583	Disks large homolog 1-4, PDZ-associated domain	Domain
A, B	IPR016313	Disks large 1-like	Family
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B	IPR036034	PDZ superfamily	Homologous Superfamily
A, B	IPR001452	SH3 domain	Domain
A, B	IPR019590	Disks large homologue 1, N-terminal PEST domain	Domain
A, B	IPR035763	Disks Large homologue 3, SH3 domain	Domain
A, B	IPR008144	Guanylate kinase-like domain	Domain
A, B	IPR001478	PDZ domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q92796	intellectual disability, X-linked 90 intellectual disability non-syndromic X-linked intellectual disability schizophrenia astrocytic tumor bipolar disorder ductal breast carcinoma in situ major depressive disorder malignant mesothelioma Mental Retardation, X-Linked 1 osteosarcoma subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor colorectal cancer glioblastoma intellectual disability, X-linked 90 intellectual disability non-syndromic X-linked intellectual disability schizophrenia astrocytic tumor bipolar disorder ductal breast carcinoma in situ major depressive disorder malignant mesothelioma Mental Retardation, X-Linked 1 osteosarcoma subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor colorectal cancer glioblastoma invasive ductal breast carcinoma malignant ependymoma medulloblastoma psoriasis autism, susceptibility to, X-linked 2 congenital anomaly of kidney and urinary tract lung cancer malignant glioma

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.