P03045 · REGN_LAMBD
- ProteinAntitermination protein N
- GeneN
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids107 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score4/5
Function
function
Plays a role as a transcriptional antitermination factor that allows the virus to initiate its lytic phase. Activates expression of the delayed viral early genes by modifying host RNA polymerase (RNAP) into a form that is resistant to termination signals. This antitermination function requires the host NusA protein which serves to stabilize the interaction between antitermination protein N and host RNA polymerase.
GO annotations
all annotations | all molecular function | virus receptor activity | dna binding | rna binding | cytoskeletal motor activity | catalytic activity | gtpase activity | structural molecule activity | transporter activity | cytoskeletal protein binding | lipid binding | cyclase activity | antioxidant activity | oxidoreductase activity | transferase activity | hydrolase activity | lyase activity | isomerase activity | ligase activity | protein tag activity | cargo receptor activity | histone binding | protein folding chaperone | translation regulator activity | nutrient reservoir activity | receptor ligand activity | molecular transducer activity | molecular adaptor activity | toxin activity | cell adhesion mediator activity | molecular function regulator activity | virus coreceptor activity | catalytic activity, acting on a protein | catalytic activity, acting on dna | catalytic activity, acting on rna | molecular carrier activity | transcription regulator activity | general transcription initiation factor activity | molecular sensor activity | molecular sequestering activity | atp-dependent activity | other molecular function | all biological process | mitotic cell cycle | cytokinesis | cytoplasmic translation | immune system process | muscle system process | circulatory system process | renal system process | respiratory system process | carbohydrate metabolic process | generation of precursor metabolites and energy | dna replication | dna repair | dna recombination | chromatin organization | dna-templated transcription | regulation of dna-templated transcription | trna metabolic process | protein folding | protein glycosylation | amino acid metabolic process | modified amino acid metabolic process | lipid metabolic process | vitamin metabolic process | sulfur compound metabolic process | intracellular protein transport | nucleocytoplasmic transport | autophagy | inflammatory response | mitochondrion organization | cytoskeleton organization | microtubule-based movement | peroxisome organization | lysosome organization | chromosome segregation | cell adhesion | establishment or maintenance of cell polarity | programmed cell death | photosynthesis | mrna metabolic process | snrna metabolic process | vesicle-mediated transport | reproductive process | digestive system process | signaling | cell differentiation | protein catabolic process | extracellular matrix organization | regulatory ncrna-mediated gene silencing | telomere organization | cell junction organization | wound healing | ribosome biogenesis | cilium organization | anatomical structure development | cell motility | nervous system process | endocrine process | protein maturation | transmembrane transport | nucleobase-containing small molecule metabolic process | hepaticobiliary system process | membrane organization | protein-containing complex assembly | cell wall organization or biogenesis | nitrogen cycle metabolic process | protein localization to plasma membrane | defense response to other organism | detoxification | meiotic nuclear division | mitotic nuclear division | mitochondrial gene expression | carbohydrate derivative metabolic process | other biological process | all cellular component | nuclear chromosome | extracellular region | extracellular space | cell wall | nucleus | nuclear envelope | nucleoplasm | chromosome | nucleolus | mitochondrion | lysosome | endosome | vacuole | peroxisome | endoplasmic reticulum | golgi apparatus | lipid droplet | microtubule organizing center | cytosol | ribosome | cytoskeleton | plasma membrane | cilium | plastid | thylakoid | external encapsulating structure | extracellular matrix | cytoplasmic vesicle | organelle | other cellular component | |||
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Aspect | Term | |
---|---|---|
Molecular Function | bacterial-type RNA polymerase core enzyme binding | |
Molecular Function | DNA binding | |
Molecular Function | RNA binding | |
Molecular Function | RNA polymerase binding | |
Molecular Function | RNA stem-loop binding | |
Molecular Function | single-stranded RNA binding | |
Molecular Function | transcription antitermination factor activity, RNA binding | |
Biological Process | DNA-templated transcription termination | |
Biological Process | regulation of DNA-templated transcription elongation | |
Biological Process | regulation of transcription by RNA polymerase II | |
Biological Process | transcription antitermination |
Keywords
- Molecular function
- Biological process
Names & Taxonomy
Protein names
- Recommended nameAntitermination protein N
- Alternative names
Gene names
Organism names
- Taxonomic lineageViruses > Duplodnaviria > Heunggongvirae > Uroviricota > Caudoviricetes > Lambdavirus > Lambdavirus lambda
- Virus hosts
Accessions
- Primary accessionP03045
- Secondary accessions
Proteomes
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Chain | PRO_0000077583 | 1-107 | Antitermination protein N | |||
Sequence: MDAQTRRRERRAEKQAQWKAANPLLVGVSAKPVNRPILSLNRKPKSRVESALNPIDLTVLAEYHKQIESNLQRIERKNQRTWYSKPGERGITCSGRQKIKGKSIPLI |
Interaction
Subunit
Interacts with host nusA.
Protein-protein interaction databases
Structure
Sequence
- Sequence statusComplete
- Length107
- Mass (Da)12,298
- Last updated2011-02-08 v3
- ChecksumF1EBAA32F3A1FE21
Features
Showing features for sequence conflict.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Sequence conflict | 35 | in Ref. 1; AAA32249 | ||||
Sequence: R → L |
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
J02459 EMBL· GenBank· DDBJ | AAA96578.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
M29653 EMBL· GenBank· DDBJ | AAA32249.1 EMBL· GenBank· DDBJ | Genomic DNA |