This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.

Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.

5ezk

From Proteopedia

(Difference between revisions)

Jump to: navigation, search

Revision as of 07:52, 29 April 2020

RNA polymerase model placed by Molecular replacement into X-ray diffraction map of DNA-bound RNA Polymerase-Sigma 54 holoenzyme complex.

Structural highlights

5ezk is a 5 chain structure with sequence from "bacillus_coli"_migula_1895 "bacillus coli" migula 1895. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Gene:	rpoA, Z4665, ECs4160 ("Bacillus coli" Migula 1895), rpoB, Z5560, ECs4910 ("Bacillus coli" Migula 1895), rpoC, Z5561, ECs4911 ("Bacillus coli" Migula 1895), rpoZ, b3649, JW3624 ("Bacillus coli" Migula 1895)
Activity:	DNA-directed RNA polymerase, with EC number 2.7.7.6
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[RPOZ_ECOLI] Promotes RNA polymerase assembly. Latches the N- and C-terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits.[HAMAP-Rule:MF_00366] [RPOA_ECO57] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. [RPOC_ECO57] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. [RPOB_ECO57] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.

Publication Abstract from PubMed

Transcription by RNA polymerase (RNAP) in bacteria requires specific promoter recognition by sigma factors. The major variant sigma factor (sigma(54)) initially forms a transcriptionally silent complex requiring specialized adenosine triphosphate-dependent activators for initiation. Our crystal structure of the 450-kilodalton RNAP-sigma(54) holoenzyme at 3.8 angstroms reveals molecular details of sigma(54) and its interactions with RNAP. The structure explains how sigma(54) targets different regions in RNAP to exert its inhibitory function. Although sigma(54) and the major sigma factor, sigma(70), have similar functional domains and contact similar regions of RNAP, unanticipated differences are observed in their domain arrangement and interactions with RNAP, explaining their distinct properties. Furthermore, we observe evolutionarily conserved regulatory hotspots in RNAPs that can be targeted by a diverse range of mechanisms to fine tune transcription.

TRANSCRIPTION. Structures of the RNA polymerase-sigma54 reveal new and conserved regulatory strategies.,Yang Y, Darbari VC, Zhang N, Lu D, Glyde R, Wang YP, Winkelman JT, Gourse RL, Murakami KS, Buck M, Zhang X Science. 2015 Aug 21;349(6250):882-5. doi: 10.1126/science.aab1478. PMID:26293966^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Yang Y, Darbari VC, Zhang N, Lu D, Glyde R, Wang YP, Winkelman JT, Gourse RL, Murakami KS, Buck M, Zhang X. TRANSCRIPTION. Structures of the RNA polymerase-sigma54 reveal new and conserved regulatory strategies. Science. 2015 Aug 21;349(6250):882-5. doi: 10.1126/science.aab1478. PMID:26293966 doi:http://dx.doi.org/10.1126/science.aab1478

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/5ezk"

@@ Line 1: / Line 1: @@
 ==RNA polymerase model placed by Molecular replacement into X-ray diffraction map of DNA-bound RNA Polymerase-Sigma 54 holoenzyme complex.==
-<StructureSection load='5ezk' size='340' side='right' caption='[[5ezk]], [[Resolution|resolution]] 8.50&Aring;' scene=''>
+<StructureSection load='5ezk' size='340' side='right'caption='[[5ezk]], [[Resolution|resolution]] 8.50&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[5ezk]] is a 5 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5EZK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5EZK FirstGlance]. <br>
+<table><tr><td colspan='2'>[[5ezk]] is a 5 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5EZK OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5EZK FirstGlance]. <br>
-</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA-directed_RNA_polymerase DNA-directed RNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.6 2.7.7.6] </span></td></tr>
+</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">rpoA, Z4665, ECs4160 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895]), rpoB, Z5560, ECs4910 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895]), rpoC, Z5561, ECs4911 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895]), rpoZ, b3649, JW3624 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</td></tr>
-<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5ezk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ezk OCA], [http://pdbe.org/5ezk PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5ezk RCSB], [http://www.ebi.ac.uk/pdbsum/5ezk PDBsum]</span></td></tr>
+<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA-directed_RNA_polymerase DNA-directed RNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.6 2.7.7.6] </span></td></tr>
+<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5ezk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ezk OCA], [http://pdbe.org/5ezk PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5ezk RCSB], [http://www.ebi.ac.uk/pdbsum/5ezk PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5ezk ProSAT]</span></td></tr>
 </table>
 == Function ==
@@ Line 21: / Line 23: @@
 __TOC__
 </StructureSection>
+[[Category: Bacillus coli migula 1895]]
 [[Category: DNA-directed RNA polymerase]]
+[[Category: Large Structures]]
 [[Category: Buck, M]]
 [[Category: Darbari, V C]]

5ezk

From Proteopedia

Revision as of 07:52, 29 April 2020

RNA polymerase model placed by Molecular replacement into X-ray diffraction map of DNA-bound RNA Polymerase-Sigma 54 holoenzyme complex.

Structural highlights

Function

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

Personal tools

Navigation

Search

Toolbox