1znm

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[[Image:1znm.gif|left|200px]]
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{{Seed}}
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[[Image:1znm.png|left|200px]]
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{{STRUCTURE_1znm| PDB=1znm | SCENE= }}
{{STRUCTURE_1znm| PDB=1znm | SCENE= }}
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'''A ZINC FINGER WITH AN ARTIFICIAL BETA-TURN, ORIGINAL SEQUENCE TAKEN FROM THE THIRD ZINC FINGER DOMAIN OF THE HUMAN TRANSCRIPTIONAL REPRESSOR PROTEIN YY1 (YING AND YANG 1, A DELTA TRANSCRIPTION FACTOR), NMR, 34 STRUCTURES'''
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===A ZINC FINGER WITH AN ARTIFICIAL BETA-TURN, ORIGINAL SEQUENCE TAKEN FROM THE THIRD ZINC FINGER DOMAIN OF THE HUMAN TRANSCRIPTIONAL REPRESSOR PROTEIN YY1 (YING AND YANG 1, A DELTA TRANSCRIPTION FACTOR), NMR, 34 STRUCTURES===
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==Overview==
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We have incorporated a bicyclic beta-turn mimetic (BTD; beta-turn dipeptide) into a zinc finger, creating a zinc finger with an artificial beta-turn. The designed peptide chelates zinc and has the same fold as the unmodified native zinc finger (finger 3 of the human YY1 protein). A combination of 1H NMR and structure calculations reveals that, in solution, this zinc finger has a fold similar to the known wild-type crystal structure and to other zinc fingers containing the consensus sequence X3-Cys-X4-Cys-X12-His-X3-His-X. The peptide was designed with BTD between the chelating cysteine residues, with BTD forming a type II' beta-turn linking the two strands of a distorted anti-parallel beta-sheet. The C-terminal portion of the peptide forms a helix with zinc co-ordinating histidine residues on successive turns of the helix. This work represents a step towards developing methods by which parts of a target protein may be replaced by peptide mimetics.
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(as it appears on PubMed at http://www.pubmed.gov), where 9642075 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9642075}}
==About this Structure==
==About this Structure==
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1ZNM is a [[Single protein]] structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZNM OCA].
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1ZNM is a [[Single protein]] structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZNM OCA].
==Reference==
==Reference==
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[[Category: Transcription regulation]]
[[Category: Transcription regulation]]
[[Category: Zinc finger]]
[[Category: Zinc finger]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 17:50:58 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 13:35:22 2008''

Revision as of 10:35, 29 July 2008

Image:1znm.png

Template:STRUCTURE 1znm

A ZINC FINGER WITH AN ARTIFICIAL BETA-TURN, ORIGINAL SEQUENCE TAKEN FROM THE THIRD ZINC FINGER DOMAIN OF THE HUMAN TRANSCRIPTIONAL REPRESSOR PROTEIN YY1 (YING AND YANG 1, A DELTA TRANSCRIPTION FACTOR), NMR, 34 STRUCTURES

Template:ABSTRACT PUBMED 9642075

About this Structure

1ZNM is a Single protein structure. Full experimental information is available from OCA.

Reference

Design, synthesis and structure of a zinc finger with an artificial beta-turn., Viles JH, Patel SU, Mitchell JB, Moody CM, Justice DE, Uppenbrink J, Doyle PM, Harris CJ, Sadler PJ, Thornton JM, J Mol Biol. 1998 Jun 19;279(4):973-86. PMID:9642075

Page seeded by OCA on Tue Jul 29 13:35:22 2008

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