Annotations: 1KKU

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1kkua_	Alpha and beta proteins (a/b)	Adenine nucleotide alpha hydrolase-like	Nucleotidylyl transferase	Adenylyltransferase	Nicotinamide mononucleotide (NMN) adenylyltransferase	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	SCOP2B Superfamily	Nucleotidylyl transferase	8042816	3001541	SCOP2B (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	CTP_transf_like	e1kkuA1	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: CTP_transf_like	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01467	Cytidylyltransferase-like (CTP_transf_like)	Cytidylyltransferase-like	This family includes: Cholinephosphate cytidylyltransferase Swiss:P49585; glycerol-3-phosphate cytidylyltransferase Swiss:P27623. It also includes putative adenylyltransferases, and FAD synthases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	NICOTINAMIDE MONONUCLEOTIDE ADENYLYLTRANSFERASE	adenylyltransferase activity nicotinate-nucleotide adenylyltransferase activity transferase activity nucleotidyltransferase activity catalytic activity 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 adenylyltransferase activity nicotinate-nucleotide adenylyltransferase activity transferase activity nucleotidyltransferase activity catalytic activity 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 organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nicotinamide-nucleotide adenylyltransferase activity protein ADP-ribosyltransferase-substrate adaptor activity enzyme-substrate adaptor activity protein-macromolecule adaptor activity molecular adaptor activity identical protein binding protein binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process ribose phosphate metabolic process ATP metabolic process carbohydrate derivative metabolic process ATP generation from poly-ADP-D-ribose purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process ribonucleoside triphosphate metabolic process nucleoside phosphate metabolic process purine nucleoside triphosphate metabolic process organonitrogen compound metabolic process nucleotide metabolic process purine-containing compound metabolic process organophosphate metabolic process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process cellular response to stimulus positive regulation of cell communication positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of signaling positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus MAPK cascade regulation of cell communication positive regulation of signaling catabolic process macromolecule catabolic process regulation of DNA catabolic process cellular component organization execution phase of apoptosis DNA catabolic process apoptotic nuclear changes cellular component organization or biogenesis regulation of apoptotic DNA fragmentation cellular component disassembly negative regulation of catabolic process DNA metabolic process regulation of catabolic process cell death organic cyclic compound catabolic process negative regulation of apoptotic DNA fragmentation nucleobase-containing compound catabolic process apoptotic DNA fragmentation negative regulation of DNA catabolic process cellular component disassembly involved in execution phase of apoptosis nucleic acid catabolic process negative regulation of DNA metabolic process apoptotic process organic substance catabolic process programmed cell death regulation of DNA metabolic process response to stress response to wounding neuron apoptotic process negative regulation of neuron apoptotic process negative regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death negative regulation of apoptotic process regulation of neuron apoptotic process nucleotide biosynthetic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process organonitrogen compound biosynthetic process NAD metabolic process purine-containing compound biosynthetic process pyridine-containing compound metabolic process pyridine nucleotide metabolic process NAD biosynthetic process pyridine nucleotide biosynthetic process nicotinamide nucleotide metabolic process pyridine-containing compound biosynthetic process nicotinamide nucleotide biosynthetic process purine nucleotide biosynthetic process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-containing complex membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-containing complex protein-DNA complex intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004821	Cytidyltransferase-like domain	Domain
A	IPR005248	Nicotinate/nicotinamide nucleotide adenylyltransferase	Family
A	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily
A	IPR045094	Nicotinamide/nicotinate mononucleotide adenylyltransferase, eukaryotic	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9HAN9	Leber congenital amaurosis retinal degeneration Leber congenital amaurosis 9 age-related macular degeneration Neurobehavioral Manifestations optic atrophy Wallerian degeneration retinitis pigmentosa coloboma intellectual disability osteosarcoma subependymal giant cell astrocytoma

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.