Annotations: 5IC3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00595	e5ic3A1	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PF00595	ECOD (1.6)
B	PF00595	e5ic3B1	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	Golgi-associated PDZ and coiled-coil motif-containing protein	protein binding binding transmembrane transporter binding molecular sequestering activity identical protein binding	protein localization regulation of localization cellular localization regulation of biological process regulation of cellular process regulation of protein localization biological regulation negative regulation of biological process localization negative regulation of protein localization to cell surface protein localization to cell surface regulation of cellular localization cellular macromolecule localization macromolecule localization negative regulation of cellular process protein localization regulation of localization cellular localization regulation of biological process regulation of cellular process regulation of protein localization biological regulation negative regulation of biological process localization negative regulation of protein localization to cell surface protein localization to cell surface regulation of cellular localization cellular macromolecule localization macromolecule localization negative regulation of cellular process regulation of protein localization to cell surface cellular process negative regulation of protein localization apical protein localization Golgi to plasma membrane transport post-Golgi vesicle-mediated transport transport localization within membrane establishment of localization vesicle-mediated transport vesicle-mediated transport to the plasma membrane Golgi vesicle transport negative regulation of ion transmembrane transporter activity negative regulation of monoatomic anion transport negative regulation of monoatomic ion transport monoatomic ion transmembrane transport regulation of transmembrane transporter activity negative regulation of transport regulation of monoatomic ion transmembrane transport negative regulation of transmembrane transport regulation of transporter activity negative regulation of monoatomic ion transmembrane transport regulation of monoatomic anion transport monoatomic anion transmembrane transport monoatomic ion transport negative regulation of anion channel activity regulation of monoatomic ion transmembrane transporter activity regulation of transport regulation of monoatomic ion transport negative regulation of transporter activity negative regulation of molecular function regulation of monoatomic anion transmembrane transport regulation of anion channel activity transmembrane transport regulation of molecular function regulation of transmembrane transport monoatomic anion transport negative regulation of anion transmembrane transport establishment of protein localization nitrogen compound transport organic substance transport protein transport establishment of localization in cell intracellular transport endoplasmic reticulum to Golgi vesicle-mediated transport	membrane-bounded organelle intracellular anatomical structure transport vesicle intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle trans-Golgi network transport vesicle cytoplasmic vesicle organelle clathrin-coated vesicle coated vesicle cytoplasm membrane-bounded organelle intracellular anatomical structure transport vesicle intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle trans-Golgi network transport vesicle cytoplasmic vesicle organelle clathrin-coated vesicle coated vesicle cytoplasm Golgi-associated vesicle vesicle vacuolar membrane membrane lytic vacuole vacuole lytic vacuole membrane bounding membrane of organelle lysosomal membrane organelle membrane lysosome Golgi apparatus cytoplasmic vesicle membrane vesicle membrane Golgi-associated vesicle membrane Golgi membrane postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization synapse cell junction asymmetric synapse cell periphery plasma membrane somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection protein-containing complex
C, D	HPV18E6 Peptide	DNA binding binding organic cyclic compound binding nucleic acid binding protein binding PDZ domain binding protein domain specific binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms response to stimulus symbiont-mediated suppression of host pathogen-associated molecular pattern receptor signaling pathway response to biotic stimulus biological process involved in symbiotic interaction symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response response to host immune response symbiont-mediated suppression of host defenses symbiont-mediated perturbation of host innate immune response response to host response to external biotic stimulus symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism symbiont-mediated perturbation of host defense response response to host defenses response to other organism symbiont-mediated perturbation of host immune response response to defenses of other organism symbiont-mediated perturbation of host defenses response to external stimulus biological process involved in interaction with host symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity symbiont-mediated suppression of host signal transduction pathway modulation by symbiont of host process symbiont-mediated suppression of cytoplasmic pattern recognition receptor signaling pathway symbiont-mediated suppression of host type I interferon-mediated signaling pathway symbiont-mediated suppression of host interferon-mediated signaling pathway symbiont-mediated perturbation of host ubiquitin-like protein modification	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell part host intracellular region cellular anatomical entity host cell nucleus host intracellular organelle host cell cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036034	PDZ superfamily	Homologous Superfamily
A, B	IPR038879	Golgi-associated PDZ and coiled-coil motif-containing protein	Family
A, B	IPR001478	PDZ domain	Domain
C, D	IPR038575	E6 superfamily	Homologous Superfamily
C, D	IPR001334	E6 early regulatory protein	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9HD26	melanoma atrial fibrillation Alzheimer disease cutaneous melanoma lung carcinoma non-small cell lung carcinoma Pick disease glioblastoma medulloblastoma osteosarcoma progressive supranuclear palsy atypical teratoid rhabdoid tumor large cell medulloblastoma ovarian cancer

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.