Annotations: 7CUI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e7cuiA1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e7cuiC1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: F_UNCLASSIFIED	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Protection of telomeres protein 1	sequence-specific DNA binding DNA binding G-rich strand telomeric DNA binding binding organic cyclic compound binding sequence-specific single stranded DNA binding single-stranded telomeric DNA binding single-stranded DNA binding nucleic acid binding telomeric DNA binding enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity sequence-specific DNA binding DNA binding G-rich strand telomeric DNA binding binding organic cyclic compound binding sequence-specific single stranded DNA binding single-stranded telomeric DNA binding single-stranded DNA binding nucleic acid binding telomeric DNA binding enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity telomerase inhibitor activity	regulation of telomere maintenance regulation of cellular component organization regulation of cellular process cellular biosynthetic process telomere organization regulation of DNA biosynthetic process regulation of primary metabolic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening cellular component organization nucleobase-containing compound metabolic process nucleic acid biosynthetic process organic substance metabolic process organic substance biosynthetic process regulation of telomere maintenance regulation of cellular component organization regulation of cellular process cellular biosynthetic process telomere organization regulation of DNA biosynthetic process regulation of primary metabolic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening cellular component organization nucleobase-containing compound metabolic process nucleic acid biosynthetic process organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis regulation of nucleobase-containing compound metabolic process regulation of biosynthetic process regulation of biological process telomere maintenance via telomerase cellular metabolic process biological regulation chromosome organization primary metabolic process regulation of cellular metabolic process DNA metabolic process regulation of chromosome organization regulation of macromolecule metabolic process regulation of telomere maintenance via telomere lengthening nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process regulation of organelle organization regulation of telomere maintenance via telomerase telomere maintenance regulation of cellular biosynthetic process organic cyclic compound metabolic process organelle organization biosynthetic process organic cyclic compound biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process DNA biosynthetic process regulation of DNA metabolic process telomere capping	membrane-bounded organelle protein-containing complex intracellular anatomical structure protein-DNA complex nucleus nuclear protein-containing complex chromosome cellular anatomical entity intracellular membrane-bounded organelle chromosomal region intracellular organelle organelle telomere cap complex intracellular non-membrane-bounded organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure protein-DNA complex nucleus nuclear protein-containing complex chromosome cellular anatomical entity intracellular membrane-bounded organelle chromosomal region intracellular organelle organelle telomere cap complex intracellular non-membrane-bounded organelle chromosome, telomeric repeat region chromosome, telomeric region shelterin complex non-membrane-bounded organelle nuclear telomere cap complex cytoplasm cytosol
B, D	Protection of telomeres protein tpz1	sequence-specific DNA binding DNA binding binding organic cyclic compound binding nucleic acid binding telomeric DNA binding	nuclear DNA replication telomere organization cell cycle DNA replication mitotic cell cycle telomere maintenance via semi-conservative replication nucleobase-containing compound metabolic process cellular component organization organic substance metabolic process mitotic telomere maintenance via semi-conservative replication cell cycle cellular component organization or biogenesis cell cycle process DNA-templated DNA replication chromosome organization nuclear DNA replication telomere organization cell cycle DNA replication mitotic cell cycle telomere maintenance via semi-conservative replication nucleobase-containing compound metabolic process cellular component organization organic substance metabolic process mitotic telomere maintenance via semi-conservative replication cell cycle cellular component organization or biogenesis cell cycle process DNA-templated DNA replication chromosome organization primary metabolic process DNA metabolic process nucleic acid metabolic process telomere maintenance organic cyclic compound metabolic process organelle organization mitotic cell cycle process DNA replication cellular process metabolic process macromolecule metabolic process protein-containing complex organization protein-DNA complex assembly cellular component biogenesis protein-DNA complex organization cellular component assembly telomere-telomerase complex assembly protein-containing complex assembly telomere capping cellular biosynthetic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening nucleic acid biosynthetic process organic substance biosynthetic process telomere maintenance via telomerase cellular metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process biosynthetic process organic cyclic compound biosynthetic process DNA biosynthetic process protein localization localization cellular localization protein localization to chromosome protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to chromosome, telomeric region	intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle chromosome, telomeric repeat region chromosome chromosome, telomeric region cellular anatomical entity chromosomal region non-membrane-bounded organelle membrane-bounded organelle protein-containing complex protein-DNA complex nucleus intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle chromosome, telomeric repeat region chromosome chromosome, telomeric region cellular anatomical entity chromosomal region non-membrane-bounded organelle membrane-bounded organelle protein-containing complex protein-DNA complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle telomere cap complex shelterin complex nuclear telomere cap complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR032042	Protection of telomeres protein 1, ssDNA-binding domain	Domain
A, C	IPR011564	Telomeric single stranded DNA binding POT1/Cdc13	Domain
A, C	IPR028389	Protection of telomeres protein 1	Family
A, C	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
B, D	IPR028631	Adrenocortical dysplasia protein	Family

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 R01GM133198.