2I1N | pdb_00002i1n

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	CAP_GLY	e2i1nA1	A: a/b three-layered sandwiches	X: Globin-like	H: Globin-like	T: Globin-like	F: CAP_GLY	ECOD (v294.1)
B	PCNA_N	e2i1nB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: winged helix domain	F: PCNA_N	ECOD (v294.1)

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	ionotropic glutamate receptor binding protein binding binding signaling receptor binding glutamate receptor binding kinase binding enzyme binding protein kinase 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 protein localization to synapse macromolecule localization intracellular protein localization protein localization to cell junction receptor localization to synapse negative regulation of cell population proliferation regulation of biological process cell population proliferation regulation of cellular process regulation of cell population proliferation regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality localization protein localization to synapse macromolecule localization intracellular protein localization protein localization to cell junction receptor localization to synapse negative regulation of cell population proliferation regulation of biological process cell population proliferation regulation of cellular process regulation of cell population proliferation negative regulation of cellular process negative regulation of biological process cellular process developmental process multicellular organism development multicellular organismal process anatomical structure development nervous system development system development trans-synaptic signaling synaptic signaling signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission cell communication cell adhesion cell-cell adhesion cellular localization receptor clustering localization within membrane protein localization to membrane anatomical structure morphogenesis tissue morphogenesis establishment of planar polarity establishment of tissue polarity epithelium development morphogenesis of a polarized epithelium 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 postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure 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 AMPA glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex 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

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	IPR050614	Synaptic Scaffolding LAP/MAGUK Families	Family
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 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.