Annotations: 4PSI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF08190	e4psiA1	A: a+b three layers	X: Protein interacting with HSP90 1 (Pih1) N-terminal domain (From Topology)	H: Protein interacting with HSP90 1 (Pih1) N-terminal domain (From Topology)	T: Protein interacting with HSP90 1 (Pih1) N-terminal domain	F: PF08190	ECOD (1.6)
B	PF08190	e4psiB1	A: a+b three layers	X: Protein interacting with HSP90 1 (Pih1) N-terminal domain (From Topology)	H: Protein interacting with HSP90 1 (Pih1) N-terminal domain (From Topology)	T: Protein interacting with HSP90 1 (Pih1) N-terminal domain	F: PF08190	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF08190	PIH1 N-terminal domain (PIH1)	PIH1 N-terminal domain	This domain is involved in pre-rRNA processing [1]. It has has been shown to be required either for nucleolar retention or correct assembly of the box C/D snoRNP in Saccharomyces cerevisiae [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PIH1 domain-containing protein 1	protein binding binding histone binding phosphoprotein binding kinase binding enzyme binding protein kinase binding histone reader activity chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity ATPase binding	localization macromolecule localization snoRNA localization RNA localization regulation of protein stability biological regulation regulation of biological quality protein stabilization ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis localization macromolecule localization snoRNA localization RNA localization regulation of protein stability biological regulation regulation of biological quality protein stabilization ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis ribosome biogenesis organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process ncRNA metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process developmental process epithelium development cellular developmental process cell differentiation anatomical structure development tissue development epithelial cell differentiation cellular response to stimulus positive regulation of cell communication hexose mediated signaling response to organic substance regulation of cellular process positive regulation of signal transduction response to stimulus homeostatic process signaling positive regulation of biological process regulation of signal transduction cell communication positive regulation of response to stimulus regulation of glucose mediated signaling pathway response to monosaccharide response to carbohydrate positive regulation of glucose mediated signaling pathway carbohydrate homeostasis cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus cellular response to organic substance signal transduction positive regulation of cellular process regulation of biological process regulation of signaling response to oxygen-containing compound cellular response to glucose stimulus intracellular glucose homeostasis cellular response to oxygen-containing compound response to hexose sugar mediated signaling pathway glucose mediated signaling pathway cellular response to carbohydrate stimulus cellular response to chemical stimulus cellular homeostasis chemical homeostasis regulation of response to stimulus response to glucose response to chemical glucose homeostasis regulation of cell communication carbohydrate mediated signaling positive regulation of signaling positive regulation of TORC1 signaling intracellular signal transduction regulation of intracellular signal transduction positive regulation of TOR signaling regulation of TORC1 signaling TOR signaling regulation of TOR signaling positive regulation of intracellular signal transduction TORC1 signaling protein-containing complex organization small nucleolar ribonucleoprotein complex assembly protein-RNA complex assembly cellular component organization protein-RNA complex organization cellular component assembly protein-containing complex assembly box C/D snoRNP assembly 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 protein serine/threonine kinase activity positive regulation of metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process phosphorus metabolic process protein modification process positive regulation of protein phosphorylation protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process regulation of cellular metabolic process regulation of molecular function positive regulation of kinase activity regulation of kinase activity macromolecule modification regulation of protein serine/threonine kinase activity regulation of phosphorus metabolic process regulation of metabolic process regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of cellular metabolic process positive regulation of molecular function positive regulation of protein modification process protein metabolic process positive regulation of protein kinase activity organonitrogen compound metabolic process positive regulation of transferase activity positive regulation of catalytic activity regulation of protein kinase activity regulation of macromolecule metabolic process regulation of phosphorylation TORC1 complex assembly negative regulation of proteolysis negative regulation of cysteine-type endopeptidase activity involved in apoptotic signaling pathway negative regulation of biological process negative regulation of catalytic activity regulation of programmed cell death negative regulation of peptidase activity regulation of proteolysis proteolysis negative regulation of apoptotic signaling pathway negative regulation of cysteine-type endopeptidase activity involved in apoptotic process negative regulation of protein metabolic process regulation of cysteine-type endopeptidase activity negative regulation of programmed cell death regulation of apoptotic process negative regulation of metabolic process regulation of peptidase activity cell death negative regulation of apoptotic process regulation of hydrolase activity negative regulation of cysteine-type endopeptidase activity regulation of cysteine-type endopeptidase activity involved in apoptotic signaling pathway regulation of apoptotic signaling pathway negative regulation of hydrolase activity negative regulation of signaling negative regulation of endopeptidase activity negative regulation of cell communication regulation of cysteine-type endopeptidase activity involved in apoptotic process regulation of endopeptidase activity negative regulation of cellular process negative regulation of macromolecule metabolic process negative regulation of response to stimulus negative regulation of molecular function negative regulation of signal transduction apoptotic signaling pathway apoptotic process programmed cell death positive regulation of macromolecule biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase I rRNA transcription regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase I positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process regulation of gene expression organic cyclic compound biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of transcription of nucleolar large rRNA by RNA polymerase I positive regulation of DNA-templated transcription RNA biosynthetic process nucleic acid biosynthetic process positive regulation of biosynthetic process positive regulation of transcription by RNA polymerase I regulation of RNA biosynthetic process regulation of biosynthetic process nucleolar large rRNA transcription by RNA polymerase I nucleobase-containing compound biosynthetic process regulation of cellular biosynthetic process positive regulation of RNA biosynthetic process positive regulation of transcription of nucleolar large rRNA by RNA polymerase I positive regulation of cellular biosynthetic process protein-DNA complex organization chromatin organization chromatin remodeling	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle protein-containing complex R2TP complex ribonucleoprotein complex pre-snoRNP complex cytoplasm RPAP3/R2TP/prefoldin-like complex
C [auth D], D [auth E]	Telomere length regulation protein TEL2 homolog	protein binding binding kinase binding enzyme binding protein kinase binding Hsp90 protein binding heat shock protein binding protein-containing complex binding molecular adaptor activity sequence-specific DNA binding DNA binding organic cyclic compound binding nucleic acid binding telomeric DNA binding	regulation of protein stability biological regulation regulation of biological quality protein stabilization cellular biosynthetic process telomere organization RNA-templated DNA biosynthetic process nucleobase-containing compound metabolic process telomere maintenance via telomere lengthening cellular component organization nucleic acid biosynthetic process organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis regulation of protein stability biological regulation regulation of biological quality protein stabilization cellular biosynthetic process telomere organization RNA-templated DNA biosynthetic process nucleobase-containing compound metabolic process telomere maintenance via telomere lengthening cellular component organization nucleic acid biosynthetic process organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis telomere maintenance via telomerase cellular metabolic process chromosome organization primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process telomere maintenance organic cyclic compound metabolic process organelle organization biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process macromolecule metabolic process DNA biosynthetic process cellular response to stimulus positive regulation of cell communication DNA damage checkpoint signaling regulation of cellular process regulation of cell cycle phase transition positive regulation of signal transduction response to stimulus signaling positive regulation of cell cycle checkpoint negative regulation of biological process regulation of cellular response to stress positive regulation of biological process negative regulation of cell cycle cell cycle phase transition regulation of signal transduction intracellular signal transduction cell communication regulation of cell cycle checkpoint positive regulation of response to stimulus cellular response to stress regulation of intracellular signal transduction response to stress regulation of response to stress negative regulation of cellular process negative regulation of cell cycle phase transition signal transduction cell cycle regulation of cell cycle positive regulation of cellular process cell cycle process regulation of biological process regulation of signaling regulation of cell cycle process DNA integrity checkpoint signaling positive regulation of intracellular signal transduction negative regulation of cell cycle process cell cycle checkpoint signaling DNA damage response regulation of response to stimulus signal transduction in response to DNA damage regulation of cell communication positive regulation of DNA damage checkpoint regulation of DNA damage checkpoint positive regulation of signaling	membrane cellular anatomical entity TTT Hsp90 cochaperone complex protein-containing complex intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear body intracellular organelle membrane cellular anatomical entity TTT Hsp90 cochaperone complex protein-containing complex intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen intracellular non-membrane-bounded organelle chromosome chromosome, telomeric region chromosomal region non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR012981	PIH1, N-terminal	Domain
A, B	IPR041442	PIH1D1/2/3, CS-like domain	Domain
C [auth D], D [auth E]	IPR016024	Armadillo-type fold	Homologous Superfamily
C [auth D], D [auth E]	IPR038528	TEL2, C-terminal domain superfamily	Homologous Superfamily
C [auth D], D [auth E]	IPR019337	Telomere length regulation protein, conserved domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9NWS0	acute myeloid leukemia lung cancer ovarian cancer
C [auth D], D [auth E]	Pharos: Q9Y4R8	TELO2-related intellectual disability-neurodevelopmental disorder heart disease osteosarcoma intellectual disability malignant glioma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	MSE	Parent Component: MET
C [auth D], D [auth E]	SEP	Parent Component: SER RESID: AA0037 PSI-MOD : O-phospho-L-serine MOD:00046

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.