1c1u

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[[Image:1c1u.gif|left|200px]]
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{{Seed}}
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[[Image:1c1u.png|left|200px]]
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{{STRUCTURE_1c1u| PDB=1c1u | SCENE= }}
{{STRUCTURE_1c1u| PDB=1c1u | SCENE= }}
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'''RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES'''
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===RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES===
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==Overview==
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Many serine proteases are targets for therapeutic intervention because they often play key roles in disease. Small molecule inhibitors of serine proteases with high affinity are especially interesting as they could be used as scaffolds from which to develop drugs selective for protease targets. One such inhibitor is bis(5-amidino-2-benzimidazolyl)methane (BABIM), standing out as the best inhibitor of trypsin (by a factor of over 100) in a series of over 60 relatively closely related analogues. By probing the structural basis of inhibition, we discovered, using crystallographic methods, a new mode of high-affinity binding in which a Zn2+ ion is tetrahedrally coordinated between two chelating nitrogens of BABIM and two active site residues, His57 and Ser 195. Zn2+, at subphysiological levels, enhances inhibition by over 10(3)-fold. The distinct Zn2+ coordination geometry implies a strong dependence of affinity on substituents. This unique structural paradigm has enabled development of potent, highly selective, Zn2+-dependent inhibitors of several therapeutically important serine proteases, using a physiologically ubiquitous metal ion.
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The line below this paragraph, {{ABSTRACT_PUBMED_9468142}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 9468142 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9468142}}
==About this Structure==
==About this Structure==
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[[Category: Ph dependence]]
[[Category: Ph dependence]]
[[Category: Serine protease/inhibitor]]
[[Category: Serine protease/inhibitor]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 12:13:57 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 20:05:34 2008''

Revision as of 17:05, 30 June 2008

Image:1c1u.png

Template:STRUCTURE 1c1u

RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES

Template:ABSTRACT PUBMED 9468142

About this Structure

1C1U is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Design of potent selective zinc-mediated serine protease inhibitors., Katz BA, Clark JM, Finer-Moore JS, Jenkins TE, Johnson CR, Ross MJ, Luong C, Moore WR, Stroud RM, Nature. 1998 Feb 5;391(6667):608-12. PMID:9468142

Page seeded by OCA on Mon Jun 30 20:05:34 2008

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