6EZI | pdb_00006ezi

PDZK1 domain 4 in complex with C-terminal peptide of human PepT2.

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PDZ	e6eziA1	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PDZ	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)

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
A	Na(+)/H(+) exchange regulatory cofactor NHE-RF3	protein binding binding signaling receptor binding protein-membrane adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein-containing complex binding PDZ domain binding protein domain specific binding scavenger receptor binding	regulation of localization regulation of cellular process transport monoatomic ion transmembrane transport positive regulation of biological process regulation of transmembrane transporter activity regulation of monoatomic ion transmembrane transport regulation of transporter activity positive regulation of molecular function localization positive regulation of monoatomic ion transport positive regulation of transmembrane transport monoatomic ion transport positive regulation of monoatomic ion transmembrane transport regulation of localization regulation of cellular process transport monoatomic ion transmembrane transport positive regulation of biological process regulation of transmembrane transporter activity regulation of monoatomic ion transmembrane transport regulation of transporter activity positive regulation of molecular function localization positive regulation of monoatomic ion transport positive regulation of transmembrane transport monoatomic ion transport positive regulation of monoatomic ion transmembrane transport positive regulation of cellular process regulation of monoatomic ion transmembrane transporter activity regulation of biological process regulation of transport regulation of monoatomic ion transport biological regulation establishment of localization transmembrane transport regulation of molecular function regulation of transmembrane transport positive regulation of transport positive regulation of transporter activity positive regulation of ion transmembrane transporter activity cellular process regulation of monoatomic anion transport monoatomic anion transport protein localization protein localization to cell periphery cellular localization protein localization to plasma membrane cellular macromolecule localization macromolecule localization localization within membrane protein localization to membrane quaternary ammonium group transport nitrogen compound transport carnitine transport modified amino acid transport organic cation transport amino-acid betaine transport establishment of protein localization regulation of protein localization protein targeting positive regulation of establishment of protein localization regulation of protein targeting to membrane regulation of protein localization to membrane establishment of protein localization to membrane regulation of establishment of protein localization positive regulation of protein localization to membrane protein targeting to membrane regulation of cellular localization regulation of protein targeting positive regulation of protein localization positive regulation of protein targeting to membrane xenobiotic export from cell xenobiotic transport response to stimulus xenobiotic detoxification by transmembrane export across the plasma membrane detoxification export from cell export across plasma membrane response to toxic substance response to chemical positive regulation of cation transmembrane transport monoatomic cation transmembrane transport monoatomic cation transport regulation of monoatomic cation transmembrane transport	cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle plasma membrane bounded cell projection cell projection actin-based cell projection microvillus microvillus membrane cell projection membrane brush border membrane cluster of actin-based cell projections brush border
B	Solute carrier family 15 member 2	tripeptide transmembrane transporter activity oligopeptide transmembrane transporter activity amide transmembrane transporter activity transporter activity transmembrane transporter activity dipeptide transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity solute:monoatomic cation symporter activity peptide transmembrane transporter activity peptide:proton symporter activity secondary active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity tripeptide transmembrane transporter activity oligopeptide transmembrane transporter activity amide transmembrane transporter activity transporter activity transmembrane transporter activity dipeptide transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity solute:monoatomic cation symporter activity peptide transmembrane transporter activity peptide:proton symporter activity secondary active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity solute:proton symporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity symporter activity	multicellular organismal process renal system process system process renal absorption import into cell nitrogen compound transport transport oligopeptide transport import across plasma membrane establishment of localization tripeptide transmembrane transport peptide transport transmembrane transport oligopeptide transmembrane transport multicellular organismal process renal system process system process renal absorption import into cell nitrogen compound transport transport oligopeptide transport import across plasma membrane establishment of localization tripeptide transmembrane transport peptide transport transmembrane transport oligopeptide transmembrane transport localization tripeptide transport oligopeptide import across plasma membrane amide transport tripeptide import across plasma membrane cellular process monoatomic ion transport protein localization establishment of protein localization cellular localization protein transport cellular macromolecule localization macromolecule localization xenobiotic transport cellular response to stimulus positive regulation of response to biotic stimulus regulation of cellular process pattern recognition receptor signaling pathway response to stimulus regulation of signal transduction response to biotic stimulus intracellular signal transduction cell communication immune response-activating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process innate immune response-activating signaling pathway regulation of biological process immune response response to other organism regulation of innate immune response response to external stimulus regulation of response to stimulus defense response to other organism regulation of pattern recognition receptor signaling pathway positive regulation of defense response activation of innate immune response regulation of immune response activation of immune response cytoplasmic pattern recognition receptor signaling pathway regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of response to external stimulus intracellular receptor signaling pathway signaling positive regulation of biological process regulation of cytoplasmic pattern recognition receptor signaling pathway positive regulation of response to stimulus positive regulation of response to external stimulus immune response-regulating signaling pathway regulation of intracellular signal transduction regulation of response to stress response to stress innate immune response response to external biotic stimulus nucleotide-binding domain, leucine rich repeat containing receptor signaling pathway regulation of signaling positive regulation of innate immune response defense response regulation of nucleotide-binding domain, leucine rich repeat containing receptor signaling pathway biological regulation defense response to symbiont immune system process regulation of cell communication dipeptide transport peptidoglycan transport carbohydrate derivative transport circulatory system process vascular process in circulatory system vascular transport transport across blood-brain barrier dipeptide transmembrane transport dipeptide import across plasma membrane xenobiotic export from cell xenobiotic detoxification by transmembrane export across the plasma membrane detoxification export from cell export across plasma membrane response to toxic substance response to chemical antibacterial innate immune response defense response to bacterium response to bacterium	membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle intracellular organelle phagocytic vesicle membrane cellular anatomical structure cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane organelle membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle intracellular organelle phagocytic vesicle membrane cellular anatomical structure cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane organelle endocytic vesicle membrane cytoplasm vesicle organelle membrane endocytic vesicle cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR001478	PDZ domain	Domain
A	IPR051067	Na+/H+ exchange regulatory cofactor	Family
B	IPR000109	Proton-dependent oligopeptide transporter family	Family
B	IPR029028	Alpha/beta knot methyltransferases	Homologous Superfamily
B	IPR004768	Oligopeptide transporter	Family
B	IPR018456	PTR2 family proton/oligopeptide symporter, conserved site	Conserved Site
B	IPR036259	MFS transporter superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q5T2W1	breast carcinoma adenoid cystic carcinoma prostate cancer salivary gland adenoid cystic carcinoma Malignant neoplasm of breast psoriasis breast cancer schizophrenia salivary gland cancer
B	Pharos: Q16348	melanoma lung adenocarcinoma nasopharyngeal carcinoma osteosarcoma pituitary cancer transitional cell carcinoma Adenocarcinoma of Lung atypical teratoid rhabdoid tumor cutaneous melanoma glioblastoma malignant ependymoma medulloblastoma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor melanoma lung adenocarcinoma nasopharyngeal carcinoma osteosarcoma pituitary cancer transitional cell carcinoma Adenocarcinoma of Lung atypical teratoid rhabdoid tumor cutaneous melanoma glioblastoma malignant ependymoma medulloblastoma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor tuberculosis allergic rhinitis breast cancer invasive ductal breast carcinoma lung cancer malignant glioma oligodendroglioma periodontitis spina bifida X-linked mixed deafness with perilymphatic gusher astrocytic tumor cutaneous lupus erythematosus ductal breast carcinoma in situ large cell medulloblastoma lung carcinoma malignant mesothelioma

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.