Annotations: 1B4R

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1b4ra_	All beta proteins	Immunoglobulin-like beta-sandwich	PKD domain	PKD domain	Polycystein-1, PKD-1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	PKD domain	8055202	4007526	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PKD domain	8055203	3002045	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PKD_1	e1b4rA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PKD_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00801	PKD domain (PKD)	PKD domain	This domain was first identified in the Polycystic kidney disease protein PKD1. This domain has been predicted to contain an Ig-like fold [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PROTEIN (PKD1_HUMAN)	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity Wnt receptor activity molecular function inhibitor activity molecular function regulator activity transcription regulator inhibitor activity calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity Wnt receptor activity molecular function inhibitor activity molecular function regulator activity transcription regulator inhibitor activity calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity protein binding binding protein domain specific binding carbohydrate binding transmembrane transporter binding kinase binding enzyme binding protein kinase binding	developmental process multicellular organism development multicellular organismal process skeletal system development connective tissue development anatomical structure development animal organ development tissue development cartilage development system development mesonephric epithelium development epithelium development kidney epithelium development mesonephros development developmental process multicellular organism development multicellular organismal process skeletal system development connective tissue development anatomical structure development animal organ development tissue development cartilage development system development mesonephric epithelium development epithelium development kidney epithelium development mesonephros development tube development renal system development kidney development mesonephric tubule development regulation of biological process cell adhesion regulation of cellular process regulation of cell adhesion biological regulation cellular process heart development circulatory system development branching morphogenesis of an epithelial tube morphogenesis of an epithelium tissue morphogenesis anatomical structure morphogenesis tube morphogenesis morphogenesis of a branching structure epithelial tube morphogenesis morphogenesis of a branching epithelium protein localization cellular localization establishment of protein localization nitrogen compound transport nucleocytoplasmic transport transport nuclear transport intracellular transport protein export from nucleus establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization nuclear export intracellular protein transport nephric duct development mesonephric duct development establishment of cell polarity establishment of epithelial cell polarity establishment or maintenance of cell polarity calcium-independent cell-matrix adhesion cell-matrix adhesion cell-substrate adhesion placenta blood vessel development placenta development vasculature development blood vessel development cell aggregation cartilage condensation skeletal system morphogenesis animal organ morphogenesis embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development metanephros development collecting duct development metanephric collecting duct development monoatomic ion transmembrane transport inorganic ion transmembrane transport calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport monoatomic ion transport monoatomic cation transport calcium ion transmembrane transport cellular response to stimulus cell surface receptor signaling pathway via STAT cell surface receptor signaling pathway response to stimulus signaling cell communication signal transduction cell surface receptor signaling pathway via JAK-STAT nitrogen cycle metabolic process metabolic process protein phosphorylation phosphorylation primary metabolic process peptidyl-serine modification peptidyl-serine phosphorylation macromolecule modification peptidyl-amino acid modification phosphate-containing compound metabolic process protein metabolic process macromolecule metabolic process protein modification process phosphorus metabolic process cell-cell adhesion cell-cell adhesion via plasma-membrane adhesion molecules homophilic cell adhesion via plasma membrane adhesion molecules nephron tubule development metanephric epithelium development loop of Henle development metanephric loop of Henle development renal tubule development nephron development metanephric nephron epithelium development nephron epithelium development metanephric ascending thin limb development metanephric nephron tubule development ascending thin limb development metanephric tubule development nephron morphogenesis metanephric tubule morphogenesis nephron tubule morphogenesis nephron epithelium morphogenesis metanephric distal tubule development distal tubule morphogenesis metanephros morphogenesis metanephric nephron tubule morphogenesis metanephric nephron development metanephric nephron morphogenesis kidney morphogenesis metanephric distal tubule morphogenesis distal tubule development renal tubule morphogenesis catabolic process proteolysis involved in protein catabolic process macromolecule catabolic process regulation of primary metabolic process regulation of proteolysis involved in protein catabolic process regulation of proteolysis proteolysis regulation of protein metabolic process proteasomal protein catabolic process regulation of macromolecule metabolic process protein catabolic process regulation of catabolic process regulation of proteasomal protein catabolic process regulation of metabolic process regulation of protein catabolic process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription response to stress response to fluid shear stress hepaticobiliary system development gland development liver development positive regulation of cytosolic calcium ion concentration regulation of biological quality protein-containing complex organization protein heterotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly cellular component organization or biogenesis protein heterooligomerization spinal cord development central nervous system development nervous system development respiratory tube development lung epithelium development lung development respiratory system development skin development establishment of organelle localization mitochondrion distribution mitocytosis establishment of mitochondrion localization export from cell mitochondrion localization organelle localization migracytosis detection of external stimulus detection of stimulus detection of mechanical stimulus response to mechanical stimulus response to external stimulus response to abiotic stimulus detection of abiotic stimulus digestive system development digestive tract development metanephric proximal tubule development proximal tubule development embryonic placenta development embryonic organ development regulation of cytoskeleton organization regulation of cellular component organization microtubule cytoskeleton organization regulation of mitotic spindle organization mitotic cell cycle cell cycle regulation of cell cycle microtubule cytoskeleton organization involved in mitosis spindle organization cell cycle process regulation of cell cycle process regulation of microtubule-based process regulation of spindle organization regulation of organelle organization mitotic spindle organization organelle organization mitotic cell cycle process microtubule-based process cytoskeleton organization regulation of microtubule cytoskeleton organization lymph vessel morphogenesis lymph vessel development Wnt signaling pathway neural tube development regulation of cell cycle phase transition cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition regulation of mitotic cell cycle phase transition regulation of mitotic cell cycle regulation of G1/S transition of mitotic cell cycle G1/S transition of mitotic cell cycle mitotic cell cycle phase transition genitalia development reproductive system development reproductive process sex differentiation developmental process involved in reproduction reproductive structure development	cellular anatomical structure membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle cell periphery basal part of cell plasma membrane cellular anatomical structure membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle cell periphery basal part of cell plasma membrane basal plasma membrane plasma membrane region basolateral plasma membrane intracellular anatomical structure cytoplasm protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex intracellular organelle Golgi apparatus intracellular membrane-bounded organelle endomembrane system Golgi membrane bounding membrane of organelle organelle membrane polycystin complex cell projection cilium plasma membrane bounded cell projection intracellular vesicle cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle Golgi-associated vesicle membrane Golgi-associated vesicle cell surface motile cilium ciliary membrane cell projection membrane migrasome lateral plasma membrane nucleus endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR042060	Polycystin-1 like, PLAT/LH2 domain	Domain
A	IPR016187	C-type lectin fold	Homologous Superfamily
A	IPR035986	PKD domain superfamily	Homologous Superfamily
A	IPR001611	Leucine-rich repeat	Repeat
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR000483	Cysteine-rich flanking region, C-terminal	Domain
A	IPR000372	Leucine-rich repeat N-terminal domain	Domain
A	IPR022409	PKD/Chitinase domain	Domain
A	IPR000601	PKD domain	Domain
A	IPR046791	Polycystin domain	Domain
A	IPR003591	Leucine-rich repeat, typical subtype	Repeat
A	IPR000434	Polycystic kidney disease type 1 protein	Family
A	IPR001024	PLAT/LH2 domain	Domain
A	IPR001304	C-type lectin-like	Domain
A	IPR016186	C-type lectin-like/link domain superfamily	Homologous Superfamily
A	IPR000203	GPS motif	Conserved Site
A	IPR006228	Polycystin cation channel	Domain
A	IPR002859	PKD/REJ-like domain	Domain
A	IPR036392	PLAT/LH2 domain superfamily	Homologous Superfamily
A	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A	IPR002889	Carbohydrate-binding WSC	Domain
A	IPR013122	Polycystin cation channel, PKD1/PKD2	Domain
A	IPR014010	REJ domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P98161	autosomal dominant polycystic kidney disease polycystic kidney disease 1 Polycystic Kidney, Autosomal Dominant thoracic aortic aneurysm atrial fibrillation cerebrovascular disorder dilated cardiomyopathy metabolic syndrome X polycystic kidney disease 2 Pick disease polycystic kidney disease autosomal dominant polycystic kidney disease type 1 with tuberous sclerosis kidney disease pituitary cancer