Annotations: 5X6O

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth G]	PF09798	DNA damage checkpoint protein (LCD1)	DNA damage checkpoint protein	-	Family
A [auth C]	PF08064	UME (NUC010) domain (UME)	UME (NUC010) domain	This domain is characteristic of UVSB PI-3 kinase, MEI-41 and ESR1 [1].	Domain
A [auth C]	PF02260	FATC domain (FATC)	FATC domain	-	Family
A [auth C]	PF23593	Serine/threonine-protein kinase ATR-like, HEAT repeats (HEAT_ATR)	Serine/threonine-protein kinase ATR-like, HEAT repeats	-	Repeat
A [auth C]	PF25030	Serine/threonine-protein kinase ATR, M-HEAT region (M-HEAT_ATR)	Serine/threonine-protein kinase ATR, M-HEAT region	-	Repeat
A [auth C]	PF00454	Phosphatidylinositol 3- and 4-kinase (PI3_PI4_kinase)	Phosphatidylinositol 3- and 4-kinase	-	Family
A [auth C]	PF02259	FAT domain (FAT)	FAT domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth G]	DNA damage checkpoint protein LCD1	DNA binding binding damaged DNA binding nucleic acid binding	nucleobase-containing compound metabolic process primary metabolic process metabolic process cellular process telomere maintenance via telomerase telomere organization chromosome organization DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening telomere maintenance nucleobase-containing compound metabolic process primary metabolic process metabolic process cellular process telomere maintenance via telomerase telomere organization chromosome organization DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening telomere maintenance cellular component organization nucleic acid biosynthetic process organelle organization biosynthetic process macromolecule metabolic process cellular component organization or biogenesis DNA biosynthetic process localization establishment of protein localization establishment of localization cellular response to stimulus response to stimulus cellular response to stress DNA damage response response to stress DNA repair regulation of cellular process regulation of double-strand break repair regulation of cellular response to stress regulation of primary metabolic process regulation of response to stress regulation of nucleobase-containing compound metabolic process double-strand break repair regulation of biological process biological regulation regulation of macromolecule metabolic process regulation of DNA repair regulation of response to stimulus regulation of metabolic process regulation of DNA metabolic process DNA damage checkpoint signaling regulation of cell cycle phase transition signaling negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction cell communication negative regulation of cellular process negative regulation of cell cycle phase transition signal transduction cell cycle regulation of cell cycle cell cycle process regulation of cell cycle process DNA integrity checkpoint signaling negative regulation of cell cycle process cell cycle checkpoint signaling signal transduction in response to DNA damage chromatin organization	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen nuclear chromosome intracellular membraneless organelle chromosome intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen nuclear chromosome intracellular membraneless organelle chromosome intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen cytoplasm protein-containing complex nuclear protein-containing complex ATR-ATRIP complex
A [auth C]	Serine/threonine-protein kinase MEC1	catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity protein serine kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity protein serine kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding protein serine/threonine kinase activity	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication cellular response to stress DNA damage response response to stress signal transduction in response to DNA damage signal transduction homologous recombination sexual reproduction reproductive process meiotic cell cycle process cellular component organization meiosis I meiotic nuclear division cell cycle cellular component organization or biogenesis reciprocal homologous recombination cell cycle process DNA recombination meiotic cell cycle organelle fission reciprocal meiotic recombination nuclear division organelle organization meiosis I cell cycle process mitotic recombination telomere organization chromosome organization telomere maintenance telomere maintenance via recombination positive regulation of DNA replication positive regulation of biological process regulation of primary metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process DNA-templated DNA replication regulation of macromolecule metabolic process positive regulation of DNA metabolic process positive regulation of DNA-templated DNA replication regulation of DNA-templated DNA replication regulation of metabolic process regulation of DNA metabolic process regulation of DNA replication regulation of double-strand break repair regulation of cellular response to stress regulation of response to stress DNA repair double-strand break repair regulation of DNA repair regulation of response to stimulus DNA damage checkpoint signaling regulation of cell cycle phase transition negative regulation of biological process negative regulation of cell cycle cell cycle phase transition negative regulation of cellular process negative regulation of cell cycle phase transition regulation of cell cycle regulation of cell cycle process DNA integrity checkpoint signaling negative regulation of cell cycle process cell cycle checkpoint signaling chromatin organization	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex ATR-ATRIP complex membraneless organelle intracellular membraneless organelle membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex ATR-ATRIP complex membraneless organelle intracellular membraneless organelle chromosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth G]	IPR018622	DNA damage checkpoint protein, Lcd1	Family
A [auth C]	IPR056802	Serine/threonine-protein kinase ATR-like, M-HEAT region	Domain
A [auth C]	IPR016024	Armadillo-type fold	Homologous Superfamily
A [auth C]	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
A [auth C]	IPR003152	FATC domain	Domain
A [auth C]	IPR012993	UME domain	Domain
A [auth C]	IPR000403	Phosphatidylinositol 3-/4-kinase, catalytic domain	Domain
A [auth C]	IPR050517	DNA Damage Response and Repair Kinase	Family
A [auth C]	IPR003151	PIK-related kinase, FAT	Domain
A [auth C]	IPR018936	Phosphatidylinositol 3-/4-kinase, conserved site	Conserved Site
A [auth C]	IPR036940	Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily	Homologous Superfamily
A [auth C]	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A [auth C]	IPR014009	PIK-related kinase, FAT domain	Domain

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.