Annotations: 4CKT

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PIH1	e4cktB1	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: PIH1	ECOD (1.6)
A	PIH1	e4cktA1	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: PIH1	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	TELOMERE LENGTH REGULATION PROTEIN TEL2 HOMOLOG	protein binding binding kinase binding enzyme binding protein-containing complex stabilizing activity protein kinase binding Hsp90 protein binding heat shock protein binding protein-containing complex binding molecular adaptor activity	regulation of protein stability biological regulation regulation of biological quality protein stabilization	cellular anatomical structure membrane TTT Hsp90 cochaperone complex protein-containing complex intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle intracellular organelle lumen nuclear body cellular anatomical structure membrane TTT Hsp90 cochaperone complex protein-containing complex intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle intracellular organelle lumen nuclear body intracellular organelle nucleoplasm organelle lumen organelle membraneless organelle nuclear lumen chromosome chromosome, telomeric region chromosomal region
A, B	PIH1 DOMAIN-CONTAINING PROTEIN 1	protein binding binding histone binding kinase binding enzyme binding protein kinase binding phosphoprotein binding histone reader activity chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity ATPase binding	positive regulation of cell communication cellular response to stimulus hexose mediated signaling positive regulation of signal transduction regulation of cellular process response to stimulus signaling homeostatic process 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 cell communication cellular response to stimulus hexose mediated signaling positive regulation of signal transduction regulation of cellular process response to stimulus signaling homeostatic process 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 signal transduction positive regulation of cellular process regulation of biological process regulation of signaling biological regulation 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 cellular process 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 localization macromolecule localization snoRNA localization RNA localization ribonucleoprotein complex biogenesis protein-containing complex organization small nucleolar ribonucleoprotein complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis box C/D snoRNP assembly TORC1 complex assembly developmental process epithelium development cellular developmental process cell differentiation anatomical structure development tissue development epithelial cell differentiation regulation of transcription of nucleolar large rRNA by RNA polymerase I positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process positive regulation of metabolic process regulation of RNA metabolic process transcription by RNA polymerase I positive regulation of biosynthetic process rRNA transcription positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process rRNA metabolic process positive regulation of transcription by RNA polymerase I regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase I nucleolar large rRNA transcription by RNA polymerase I primary metabolic process regulation of macromolecule metabolic process 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 positive regulation of transcription of nucleolar large rRNA by RNA polymerase I metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process chromatin organization chromatin remodeling	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen protein-containing complex R2TP complex ribonucleoprotein complex pre-snoRNP complex cytoplasm RPAP3/R2TP/prefoldin-like complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR038528	TEL2, C-terminal domain superfamily	Homologous Superfamily
C, D	IPR019337	Telomere length regulation protein, conserved domain	Domain
C, D	IPR051970	Telomere Length Regulation TEL2	Family
A, B	IPR050734	PIH1 family, Kintoun subfamily	Family
A, B	IPR012981	PIH1, N-terminal	Domain
A, B	IPR041442	PIH1D1/2/3, CS-like domain	Domain

Protein Modification Annotation

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

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.