PMID:6458037 - Revision history

imported>Wikientrybot: change PMID template to TableEdit version

2013-09-15T04:49:34Z

change PMID template to TableEdit version

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	'''~~No author listed~~''' (1981) The product of the lon (capR) gene in Escherichia coli is the ATP-dependent protease, protease La. ''Proc. Natl. Acad. Sci. U.S.A.'' '''78''':4931-5		'''Chung, CH and Goldberg, AL''' (1981) The product of the lon (capR) gene in Escherichia coli is the ATP-dependent protease, protease La. ''Proc. Natl. Acad. Sci. U.S.A.'' '''78''':4931-5
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	!align=left \|Abstract		!align=left \|Abstract

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 ==Annotations {{HelpIcon|Help:Literature}}==
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+<protect><annotationlinks/></protect>
 ==EcoliWiki Links {{HelpIcon|Help:Literature}} ==

imported>Wikientrybot: change PMID template to TableEdit version

2013-09-01T19:33:11Z

change PMID template to TableEdit version

← Older revision		Revision as of 19:33, 1 September 2013
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	~~<span style~~ = '~~font-size: large~~'> '~~''Chung, CH and Goldberg, AL~~''' (1981) The product of the lon (capR) gene in Escherichia coli is the ATP-dependent protease, protease La.''Proc. Natl. Acad. Sci. U.S.A.'' '''78''':4931-5</~~span>~~		\|-
			!align=left \|Citation
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			'''No author listed''' (1981) The product of the lon (capR) gene in Escherichia coli is the ATP-dependent protease, protease La. ''Proc. Natl. Acad. Sci. U.S.A.'' '''78''':4931-5
			\|-
			!align=left \|Abstract
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			In Escherichia coli, degradation of abnormal proteins is an energy-requiring process; it is decreased in mutants in the lon (capR or deg) gene. We find that the protein encoded by the lon gene is an ATP-dependent protease and is identical to protease La, recently described in E. coli. Both proteins are serine proteases that hydrolyze casein and globin, but not insulin, in the presence of ATP and Mg2+. Both respond to ATP, less well to other nucleoside triphosphates, and not to nonhydrolyzable ATP analogs. The purified lon protein has an apparent Mr of 450,000 and appears to be composed of four identical subunits. Its size, chromatographic behavior, and sensitivity to various inhibitors and heat are indistinguishable from those of protease La. Moreover, in a strain that carries additional copies of the lon+ allele on a plasmid, the content of protease La, but not of other proteases, is 2- to 10-fold greater than in the lon+ parent strain. Strains carrying the nonsense mutations capR9 and capR- also contain this ATP-dependent proteolytic activity, but it is present in substantially lower amounts and is inactivated by phosphocellulose chromatography, unlike the wild-type enzyme. Degradation of abnormal proteins in these lon- strains, which is slower than in the wild type, still requires ATP. Alterations in the ATP-dependent protease in the lon- mutants can account for the defect in intracellular proteolysis and perhaps also for the other phenotypic effects of this pleiotropic gene.
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			[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=6458037 PubMed] [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC320299 PMC320299]

	~~{\|{{Prettytable}} align = 'center' width= '70%'~~
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	\|~~{{TableHeadingColor}}~~ \|~~'''Abstract'''~~ \|~~\| <protect>In~~ Escherichia coli~~, degradation of abnormal proteins is an energy-requiring process~~; ~~it is decreased in mutants in the lon (capR or deg) gene. We find that the protein encoded by the lon gene is an ATP-dependent protease and is identical to protease La, recently described in E.~~ coli~~. Both proteins are serine proteases that hydrolyze casein and globin~~, but not insulin, in the presence of ATP and Mg2+. Both respond to ATP, less well to other nucleoside triphosphates, and not to nonhydrolyzable ATP analogs. The purified lon protein has an apparent Mr of 450,000 and appears to be composed of four identical subunits. Its size, chromatographic behavior, and sensitivity to various inhibitors and heat are indistinguishable from those of protease La. Moreover, in a strain that carries additional copies of the lon+ allele on a plasmid, the content of protease La, but not of other proteases, is 2- to 10-fold greater than in the lon+ parent strain. Strains carrying the nonsense mutations capR9 and capR- also contain this ATP-dependent proteolytic activity, but it is present in substantially lower amounts and is inactivated by phosphocellulose chromatography, unlike the wild-type enzyme. Degradation of abnormal proteins in these lon- strains, which is slower than in the wild type, still requires ATP. Alterations in the ATP-dependent protease in the lon- mutants can account for the defect in intracellular proteolysis and perhaps also for the other phenotypic effects of this pleiotropic gene.</~~protect>~~		!align=left \|Keywords
	\|-		\|\|
	\|{{~~TableHeadingColor~~}} ~~nowrap \|'''Links''' \|\| [http~~:~~//www~~.~~ncbi~~.~~nlm.nih.gov/entrez/query.fcgi?cmd~~=~~Retrieve~~&db=~~pubmed~~&~~dopt~~=~~Abstract~~&~~list_uids~~=~~6458037 PubMed~~]<br/>		Adenosine Triphosphatases/genetics; Adenosine Triphosphate/metabolism; Bacterial Proteins/genetics; Caseins/metabolism; Energy Metabolism; Escherichia coli/enzymology; Escherichia coli/genetics; Genes, Bacterial; Mutation; Peptide Hydrolases/genetics
	~~[http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=6458037 Full text]~~
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			<!--box uid=d41d8cd98f00b204e9800998ecf8427e.134532.C52239677b9562-->
	==Significance {{HelpIcon\|Help:Literature}} ==		==Significance {{HelpIcon\|Help:Literature}} ==
	{{LitSignificance}}		{{LitSignificance}}

127.0.0.1: /Volumes/r3/t3/ul/working/touchTables/touch_all_tables.php

2010-06-17T21:01:49Z

/Volumes/r3/t3/ul/working/touchTables/touch_all_tables.php

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	!\|Gene product!!Qualifier!!GO ID!!GO term name!!Evidence Code!!with/from!!Aspect!!Notes!!Status		!\|Gene product!!Qualifier!!GO ID!!GO term name!!Evidence Code!!with/from!!Aspect!!Notes!!Status
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127.0.0.1: Update TableEdit tables.

2010-01-09T04:49:58Z

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	!\|Gene product!!Qualifier!!GO ID!!GO term name!!Evidence Code!!with/from!!Aspect!!Notes!!Status		!\|Gene product!!Qualifier!!GO ID!!GO term name!!Evidence Code!!with/from!!Aspect!!Notes!!Status
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	complete		complete

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imported>Wikientrybot: Fix links due to TableEditLinks.php changes.

2009-02-20T05:49:27Z

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	~~[[Category:GO:0000287_!_magnesium_ion_binding]][http://gowiki.tamu.edu/wiki/index.php/Category:GO:0000287_!_magnesium_ion_binding~~ GO:0000287]		GO:0000287
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	magnesium ion binding		magnesium ion binding

Bmcintosh: Table edited by Bmcintosh via TableEdit

2009-02-03T16:55:51Z

Table edited by Bmcintosh via TableEdit

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	{\|class = 'sortable' ~~{{Prettytable}} id~~=~~'242142'~~		{\|class = 'sortable' border="2" cellpadding="4" cellspacing="0" style="margin: 1em 1em 1em 0; border: 1px #aaa solid; border-collapse: collapse;"
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	!Gene product!!Qualifier!!GO ID!!GO term name!!Evidence Code!!with/from!!Aspect!!Notes!!Status		!\|Gene product!!Qualifier!!GO ID!!GO term name!!Evidence Code!!with/from!!Aspect!!Notes!!Status
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			[[lon:Gene_Product(s)]]
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			[[Category:GO:0000287_!_magnesium_ion_binding]][http://gowiki.tamu.edu/wiki/index.php/Category:GO:0000287_!_magnesium_ion_binding GO:0000287]
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			magnesium ion binding
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			IDA: Inferred from Direct Assay
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			F
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			Proteolytic activity of Lon was assayed in the presence and absence of Mg2+ and ATP and was shown to only have activity in the presence of both (data not shown).
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			complete

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Joseph at 02:50, 23 May 2008

2008-05-23T02:50:35Z

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	\|{{TableHeadingColor}} nowrap \|'''Links''' \|\| [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=6458037 PubMed]<br/>		\|{{TableHeadingColor}} nowrap \|'''Links''' \|\| [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=6458037 PubMed]<br/>
			[http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=6458037 Full text]
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Joseph: New PMID: Page!

2008-05-23T02:49:58Z

New PMID: Page!

New page

{{RightTOC}}

<span style = 'font-size: large'> '''Chung, CH and Goldberg, AL''' (1981) The product of the lon (capR) gene in Escherichia coli is the ATP-dependent protease, protease La.''Proc. Natl. Acad. Sci. U.S.A.'' '''78''':4931-5</span>

{|{{Prettytable}} align = 'center' width= '70%'
|-
|{{TableHeadingColor}} |'''Abstract''' || <protect>In Escherichia coli, degradation of abnormal proteins is an energy-requiring process; it is decreased in mutants in the lon (capR or deg) gene. We find that the protein encoded by the lon gene is an ATP-dependent protease and is identical to protease La, recently described in E. coli. Both proteins are serine proteases that hydrolyze casein and globin, but not insulin, in the presence of ATP and Mg2+. Both respond to ATP, less well to other nucleoside triphosphates, and not to nonhydrolyzable ATP analogs. The purified lon protein has an apparent Mr of 450,000 and appears to be composed of four identical subunits. Its size, chromatographic behavior, and sensitivity to various inhibitors and heat are indistinguishable from those of protease La. Moreover, in a strain that carries additional copies of the lon+ allele on a plasmid, the content of protease La, but not of other proteases, is 2- to 10-fold greater than in the lon+ parent strain. Strains carrying the nonsense mutations capR9 and capR- also contain this ATP-dependent proteolytic activity, but it is present in substantially lower amounts and is inactivated by phosphocellulose chromatography, unlike the wild-type enzyme. Degradation of abnormal proteins in these lon- strains, which is slower than in the wild type, still requires ATP. Alterations in the ATP-dependent protease in the lon- mutants can account for the defect in intracellular proteolysis and perhaps also for the other phenotypic effects of this pleiotropic gene.</protect>
|-
|{{TableHeadingColor}} nowrap |'''Links''' || [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=6458037 PubMed]<br/>
|}

==Significance {{HelpIcon|Help:Literature}} ==
{{LitSignificance}}

== Useful Materials and Methods {{HelpIcon|Help:Literature}}==
{{LitMaterials}}

==Annotations {{HelpIcon|Help:Literature}}==
<protect>

{|class = 'sortable' {{Prettytable}} id='242142'
|- {{table heading style}}
!Gene product!!Qualifier!!GO ID!!GO term name!!Evidence Code!!with/from!!Aspect!!Notes!!Status
|-class='sortbottom'
|[{{SERVER}}{{SCRIPTPATH}}/index.php?title=Special:TableEdit&id=63ce1649aab8b3180235b0af7618f667.0.E483630d453d0f&page=0&pagename={{FULLPAGENAMEE}} edit table] || || || || || || || ||
|}
</protect>

==EcoliWiki Links {{HelpIcon|Help:Literature}} ==
{{LitLinks}}

==See also==

==References==
{{RefHelp}}
<references/>