Purine Analogs as Feedback Inhibitors.
Summary Accumulation of ribotide of 5-amino-4-imidazole carboxamide (AICAR), excreted in the riboside form by a purine-requiring mutant of Escherichia coli, was inhibited by a number of structural analogs of purines. The most potent inhibitors were 6-thioguanine, 6-mercaptopurine, and 2,6-diaminopur...
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Veröffentlicht in: | Experimental biology and medicine (Maywood, N.J.) N.J.), 1959-08, Vol.101 (4), p.641-643 |
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container_title | Experimental biology and medicine (Maywood, N.J.) |
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creator | Gots, Joseph S. Gollub, Edith G. |
description | Summary
Accumulation of ribotide of 5-amino-4-imidazole carboxamide (AICAR), excreted in the riboside form by a purine-requiring mutant of Escherichia coli, was inhibited by a number of structural analogs of purines. The most potent inhibitors were 6-thioguanine, 6-mercaptopurine, and 2,6-diaminopurine. The type of inhibition obtained suggests that the antimetabolites sufficiently resemble natural purines in structure to act as feedback inhibitors in biosynthetic control. |
doi_str_mv | 10.3181/00379727-101-25045 |
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Accumulation of ribotide of 5-amino-4-imidazole carboxamide (AICAR), excreted in the riboside form by a purine-requiring mutant of Escherichia coli, was inhibited by a number of structural analogs of purines. The most potent inhibitors were 6-thioguanine, 6-mercaptopurine, and 2,6-diaminopurine. The type of inhibition obtained suggests that the antimetabolites sufficiently resemble natural purines in structure to act as feedback inhibitors in biosynthetic control.</description><identifier>ISSN: 0037-9727</identifier><identifier>ISSN: 1535-3702</identifier><identifier>EISSN: 1535-3699</identifier><identifier>DOI: 10.3181/00379727-101-25045</identifier><identifier>PMID: 13851426</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Antimetabolites ; Humans ; Purines - antagonists & inhibitors</subject><ispartof>Experimental biology and medicine (Maywood, N.J.), 1959-08, Vol.101 (4), p.641-643</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c339t-c1cc3f9538ac5311fc7e5d4753922415a6801ad177c41da2eb684d56debcf8a3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/13851426$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gots, Joseph S.</creatorcontrib><creatorcontrib>Gollub, Edith G.</creatorcontrib><title>Purine Analogs as Feedback Inhibitors.</title><title>Experimental biology and medicine (Maywood, N.J.)</title><addtitle>Proc Soc Exp Biol Med</addtitle><description>Summary
Accumulation of ribotide of 5-amino-4-imidazole carboxamide (AICAR), excreted in the riboside form by a purine-requiring mutant of Escherichia coli, was inhibited by a number of structural analogs of purines. The most potent inhibitors were 6-thioguanine, 6-mercaptopurine, and 2,6-diaminopurine. The type of inhibition obtained suggests that the antimetabolites sufficiently resemble natural purines in structure to act as feedback inhibitors in biosynthetic control.</description><subject>Antimetabolites</subject><subject>Humans</subject><subject>Purines - antagonists & inhibitors</subject><issn>0037-9727</issn><issn>1535-3702</issn><issn>1535-3699</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1959</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9j71OwzAURi0EoqXwAgwoE5tbX_9nrCoKlSrB0N1ybKektEllNwNvT9IUsTFd6eqcTzoIPQKZMtAwI4SpXFGFgQCmgnBxhcYgmMBM5vk1GvcA7okRuktpRwgIReUtGgHTAjiVY_T80caqDtm8tvtmmzKbsmUIvrDuK1vVn1VRnZqYpvfoprT7FB4ud4I2y5fN4g2v319Xi_kaO8byE3bgHCtzwbR1ggGUTgXhuRIsp5SDsFITsB6Uchy8paGQmnshfShcqS2bIDrMutikFENpjrE62PhtgJi-2fw2dw8w5-ZOehqkY1scgv9TLpEdMBuAZLfB7Jo2drHpv8kfix1dpQ</recordid><startdate>195908</startdate><enddate>195908</enddate><creator>Gots, Joseph S.</creator><creator>Gollub, Edith G.</creator><general>SAGE Publications</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>195908</creationdate><title>Purine Analogs as Feedback Inhibitors.</title><author>Gots, Joseph S. ; Gollub, Edith G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c339t-c1cc3f9538ac5311fc7e5d4753922415a6801ad177c41da2eb684d56debcf8a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1959</creationdate><topic>Antimetabolites</topic><topic>Humans</topic><topic>Purines - antagonists & inhibitors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gots, Joseph S.</creatorcontrib><creatorcontrib>Gollub, Edith G.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>Experimental biology and medicine (Maywood, N.J.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gots, Joseph S.</au><au>Gollub, Edith G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Purine Analogs as Feedback Inhibitors.</atitle><jtitle>Experimental biology and medicine (Maywood, N.J.)</jtitle><addtitle>Proc Soc Exp Biol Med</addtitle><date>1959-08</date><risdate>1959</risdate><volume>101</volume><issue>4</issue><spage>641</spage><epage>643</epage><pages>641-643</pages><issn>0037-9727</issn><issn>1535-3702</issn><eissn>1535-3699</eissn><abstract>Summary
Accumulation of ribotide of 5-amino-4-imidazole carboxamide (AICAR), excreted in the riboside form by a purine-requiring mutant of Escherichia coli, was inhibited by a number of structural analogs of purines. The most potent inhibitors were 6-thioguanine, 6-mercaptopurine, and 2,6-diaminopurine. The type of inhibition obtained suggests that the antimetabolites sufficiently resemble natural purines in structure to act as feedback inhibitors in biosynthetic control.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>13851426</pmid><doi>10.3181/00379727-101-25045</doi><tpages>3</tpages></addata></record> |
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ispartof | Experimental biology and medicine (Maywood, N.J.), 1959-08, Vol.101 (4), p.641-643 |
issn | 0037-9727 1535-3702 1535-3699 |
language | eng |
recordid | cdi_pubmed_primary_13851426 |
source | MEDLINE; Alma/SFX Local Collection |
subjects | Antimetabolites Humans Purines - antagonists & inhibitors |
title | Purine Analogs as Feedback Inhibitors. |
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