Paper · 4551978

New small polypeptides associated with DNA-dependent RNA polymerase of Escherichia coli after infection with bacteriophage T4.

Stevens A. Proc Natl Acad Sci U S A, 1972. Cited by 166 papers, by iCite.

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ConductScience Library. New small polypeptides associated with DNA-dependent RNA polymerase of Escherichia coli after infection with bacteriophage T4. Papers, record 4551978. Release papers-2026-11-12-0.1.0, 12 Nov 2026. https://conductscience.org/library/papers/4551978

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Paper

PubMed's record of the paper, with iCite's citation figures. No abstract is shown.

Title: New small polypeptides associated with DNA-dependent RNA polymerase of Escherichia coli after infection with bacteriophage T4.; PubMed
Journal: Proc Natl Acad Sci U S A; PubMed
Year: 1972; PubMed
Publication types: Journal Article; PubMed
PubMed: https://pubmed.ncbi.nlm.nih.gov/4551978/; PubMed
DOI: https://doi.org/10.1073/pnas.69.3.603; PubMed
PMC: https://pmc.ncbi.nlm.nih.gov/articles/PMC426516/; PubMed
The journal: https://conductscience.org/library/journal-index/7505876; PubMed
Citations, by iCite: 166; iCite
Relative citation ratio, by iCite: 3.53; iCite
Revised in PubMed: 2019-05-01; PubMed

Authors1

The authors in the order PubMed's record lists them, with the ORCID iDs it states.

Order	Author	Forename	Kind	ORCID iD
1	Stevens A	A

Source PubMed

Topics15

NLM's MeSH indexing of the paper, its major topics first.

MeSH term	Major
Coliphages	Major topic
DNA, Bacterial	Major topic
Escherichia coli	Major topic
Peptides	Major topic
RNA Nucleotidyltransferases	Major topic
Amino Acids
Carbon Isotopes
Electrophoresis, Starch Gel
Kinetics
Lysogeny
Molecular Weight
Mutation
Peptide Biosynthesis
Templates, Genetic
Tritium

Source PubMed

Grants0

Each grant PubMed's record writes, matched to the NIH project NIH's grant and paper links name for this paper, and each of those links the record does not write.

None in this release.

Trials0

The trials whose ClinicalTrials.gov record lists the paper, and the trial numbers the paper's PubMed record names.

None in this release.

Comments and corrections0

PubMed's comments and corrections, NLM's own indexing: retractions first, then expressions of concern, errata and updates, and comments last.

None in this release.

References13

The papers the reference list in PubMed's record names, those in our copy of PubMed, in the list's order.

Order	PMID	Title	Journal	Year	In Papers	Source
1	5,238,977	In vitro synthesis of T4 late messenger RNA.	Proc Natl Acad Sci U S A	1968	https://conductscience.org/library/papers/5238977	PubMed
2	4,869,542	Modified DNA-dependent RNA polymerase from E. coli infected with bacteriophage T4.	Biochem Biophys Res Commun	1968	https://conductscience.org/library/papers/4869542	PubMed
3	4,302,631	Transcription during bacteriophage T4 development: requirements for late messenger synthesis.	J Mol Biol	1968	https://conductscience.org/library/papers/4302631	PubMed
4	4,894,360	DNA-dependent RNA polymerase from phage T4 infected E. coli: an enzyme missing a factor required for transcription of T4 DNA.	Biochem Biophys Res Commun	1969	https://conductscience.org/library/papers/4894360	PubMed
5	5,806,584	The reliability of molecular weight determinations by dodecyl sulfate-polyacrylamide gel electrophoresis.	J Biol Chem	1969	https://conductscience.org/library/papers/5806584	PubMed
6	4,309,343	Bacteriophage sigma factor for RNA polymerase.	Nature	1969	https://conductscience.org/library/papers/4309343	PubMed
7	14,200,378	CONTROL OF T2-SPECIFIC RNA SYNTHESIS.	J Mol Biol	1964	https://conductscience.org/library/papers/14200378	PubMed
8	4,900,511	Separation and characterization of the subunits of ribonucleic acid polymerase.	J Biol Chem	1969	https://conductscience.org/library/papers/4900511	PubMed
9	5,447,827	Function of T4 gene 55. I. Characterization of temperature-sensitive mutations in the "maturation" gene 55.	J Mol Biol	1970	https://conductscience.org/library/papers/5447827	PubMed
10	5,447,828	Function of T4 gene 55. II. RNA synthesis by temperature-sensitive gene 55 mutants.	J Mol Biol	1970	https://conductscience.org/library/papers/5447828	PubMed

1 to 10 of 13

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Cited by68

The papers in our copy of PubMed whose reference list names this one, newest first. iCite, which reads more sources, counts 166 citations.

PMID	Title	Journal	Year	In Papers	Source
32,657,546	Programmable CRISPR-Cas transcriptional activation in bacteria.	Mol Syst Biol	2020	https://conductscience.org/library/papers/32657546	PubMed
21,029,433	Transcriptional control in the prereplicative phase of T4 development.	Virol J	2010	https://conductscience.org/library/papers/21029433	PubMed
20,729,353	A mutation within the β subunit of Escherichia coli RNA polymerase impairs transcription from bacteriophage T4 middle promoters.	J Bacteriol	2010	https://conductscience.org/library/papers/20729353	PubMed
20,545,305	Determinants of affinity and activity of the anti-sigma factor AsiA.	Biochemistry	2010	https://conductscience.org/library/papers/20545305	PubMed
16,996,538	Mutational analysis of sigma70 region 4 needed for appropriation by the bacteriophage T4 transcription factors AsiA and MotA.	J Mol Biol	2006	https://conductscience.org/library/papers/16996538	PubMed
16,789,147	New Late Gene, dar, Involved in DNA Replication of Bacteriophage T4 I. Isolation, Characterization, and Genetic Location.	J Virol	1975	https://conductscience.org/library/papers/16789147	PubMed
12,626,685	Bacteriophage T4 genome.	Microbiol Mol Biol Rev	2003	https://conductscience.org/library/papers/12626685	PubMed
11,830,637	Solution structure and stability of the anti-sigma factor AsiA: implications for novel functions.	Proc Natl Acad Sci U S A	2002	https://conductscience.org/library/papers/11830637	PubMed
8,892,810	An N-terminal mutation in the bacteriophage T4 motA gene yields a protein that binds DNA but is defective for activation of transcription.	J Bacteriol	1996	https://conductscience.org/library/papers/8892810	PubMed
8,416,914	The asiA gene of bacteriophage T4 codes for the anti-sigma 70 protein.	J Bacteriol	1993	https://conductscience.org/library/papers/8416914	PubMed

1 to 10 of 68

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Genes0

The genes the Gene search release ties to the paper: Swiss-Prot's references first, then PubTator's text mining.

None in this release.

Drugs0

The drugs whose trials, in the Pipelines release, list the paper.

None in this release.

Data0

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None in this release.

Data dates

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PubMed: 2026-11-06; PubMed
iCite: 2026-11-05; iCite
PMC's ID file: 2026-11-05; PMC's ID file
NIH RePORTER's grant and paper links: 2026-11-01; NIH RePORTER's grant and paper links
Trials: 2026-11-12
Gene search: 2026-11-11
Pipelines: 2026-09-18

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ClinicalTrials.govNo license stated
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iCiteCC BY 4.0
NCBI GenePublic domain (US government)
NIH RePORTER's grant and paper linksPublic domain
Open TargetsCC0 1.0
PMC's ID filePublic domain (US government)
PubMedNLM's terms
PubTator 3Public domain
UniProtCC BY 4.0

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ChEMBL, through Open TargetsCC BY-SA 3.0, for the parts from ChEMBL. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence
ClinicalTrials.govnone stated
HGNCCC0: https://www.genenames.org/about/license/
iCiteCC BY 4.0
NCBI GeneNone named for the file. NCBI says information created by or for the US government on its site is in the public domain, and asks that NLM be acknowledged: https://www.ncbi.nlm.nih.gov/home/about/policies/
NIH RePORTER's grant and paper linksPublic domain (NIH RePORTER)
Open TargetsCC0 1.0. Open Targets asks that users cite its latest paper: Buniello et al. 2025, Open Targets Platform: facilitating therapeutic hypotheses building in drug discovery, Nucleic Acids Research 53(D1):D1467, PMID 39657122. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence
PMC's ID fileNone named for the file. NCBI says information created by or for the US government on its site is in the public domain, and asks that NLM be acknowledged: https://www.ncbi.nlm.nih.gov/home/about/policies/
PubMedNLM's terms
PubTator 3Public domain
UniProtCC BY 4.0. UniProt's licence file: "All databases and documents in the UniProt FTP directory may be copied and redistributed freely, without advance permission, provided that this copyright statement is reproduced with each copy." UniProt asks that users cite its latest paper: The UniProt Consortium, UniProt: the Universal Protein Knowledgebase in 2025, Nucleic Acids Research 53:D609-D617, https://doi.org/10.1093/nar/gkae1010. Read on 9 Nov 2026 at https://www.uniprot.org/help/license

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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