1kpe

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==Overview==
==Overview==
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The histidine triad (HIT) protein family is among the most ubiquitous and, highly conserved in nature, but a biological activity has not yet been, identified for any member of the HIT family. Fragile histidine triad, protein (FHIT) and protein kinase C interacting protein (PKCI) were used, in a structure-based approach to elucidate characteristics of in vivo, ligands and reactions. Crystallographic structures of apo, substrate, analog, pentacovalent transition-state analog, and product states of both, enzymes reveal a catalytic mechanism and define substrate characteristics, required for catalysis, thus unifying the HIT family as nucleotidyl, hydrolases, transferases, or both. The approach described here may be, useful in identifying structure-function relations between protein, families ... [[http://ispc.weizmann.ac.il/pmbin/getpm?9323207 (full description)]]
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The histidine triad (HIT) protein family is among the most ubiquitous and, highly conserved in nature, but a biological activity has not yet been, identified for any member of the HIT family. Fragile histidine triad, protein (FHIT) and protein kinase C interacting protein (PKCI) were used, in a structure-based approach to elucidate characteristics of in vivo, ligands and reactions. Crystallographic structures of apo, substrate, analog, pentacovalent transition-state analog, and product states of both, enzymes reveal a catalytic mechanism and define substrate characteristics, required for catalysis, thus unifying the HIT family as nucleotidyl, hydrolases, transferases, or both. The approach described here may be, useful in identifying structure-function relations between protein, families identified through genomics.
==About this Structure==
==About this Structure==
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1KPE is a [[http://en.wikipedia.org/wiki/Single_protein Single protein]] structure of sequence from [[http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]] with ADW as [[http://en.wikipedia.org/wiki/ligand ligand]]. Structure known Active Sites: AVA, AVB, HNA and HNB. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1KPE OCA]].
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1KPE is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with ADW as [http://en.wikipedia.org/wiki/ligand ligand]. Structure known Active Sites: AVA, AVB, HNA and HNB. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1KPE OCA].
==Reference==
==Reference==
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[[Category: protein kinase inhibitor]]
[[Category: protein kinase inhibitor]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 15:41:33 2007''
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Nov 5 13:07:14 2007''

Revision as of 11:01, 5 November 2007


1kpe, resolution 1.8Å

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PKCI-TRANSITION STATE ANALOG

Overview

The histidine triad (HIT) protein family is among the most ubiquitous and, highly conserved in nature, but a biological activity has not yet been, identified for any member of the HIT family. Fragile histidine triad, protein (FHIT) and protein kinase C interacting protein (PKCI) were used, in a structure-based approach to elucidate characteristics of in vivo, ligands and reactions. Crystallographic structures of apo, substrate, analog, pentacovalent transition-state analog, and product states of both, enzymes reveal a catalytic mechanism and define substrate characteristics, required for catalysis, thus unifying the HIT family as nucleotidyl, hydrolases, transferases, or both. The approach described here may be, useful in identifying structure-function relations between protein, families identified through genomics.

About this Structure

1KPE is a Single protein structure of sequence from Homo sapiens with ADW as ligand. Structure known Active Sites: AVA, AVB, HNA and HNB. Full crystallographic information is available from OCA.

Reference

Structure-based analysis of catalysis and substrate definition in the HIT protein family., Lima CD, Klein MG, Hendrickson WA, Science. 1997 Oct 10;278(5336):286-90. PMID:9323207

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