1g9p

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[[Image:1g9p.jpg|left|200px]]
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{{Seed}}
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[[Image:1g9p.png|left|200px]]
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{{STRUCTURE_1g9p| PDB=1g9p | SCENE= }}
{{STRUCTURE_1g9p| PDB=1g9p | SCENE= }}
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'''SOLUTION STRUCTURE OF THE INSECTICIDAL CALCIUM CHANNEL BLOCKER OMEGA-ATRACOTOXIN-HV2A'''
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===SOLUTION STRUCTURE OF THE INSECTICIDAL CALCIUM CHANNEL BLOCKER OMEGA-ATRACOTOXIN-HV2A===
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==Overview==
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We have isolated a novel family of insect-selective neurotoxins that appear to be the most potent blockers of insect voltage-gated calcium channels reported to date. These toxins display exceptional phylogenetic specificity, with at least a 10,000-fold preference for insect versus vertebrate calcium channels. The structure of one of the toxins reveals a highly structured, disulfide-rich core and a structurally disordered C-terminal extension that is essential for channel blocking activity. Weak structural/functional homology with omega-agatoxin-IVA/B, the prototypic inhibitor of vertebrate P-type calcium channels, suggests that these two toxin families might share a similar mechanism of action despite their vastly different phylogenetic specificities.
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(as it appears on PubMed at http://www.pubmed.gov), where 11522785 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11522785}}
==About this Structure==
==About this Structure==
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1G9P is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Hadronyche_versuta Hadronyche versuta]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1G9P OCA].
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1G9P is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Hadronyche_versuta Hadronyche versuta]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1G9P OCA].
==Reference==
==Reference==
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[[Category: Wang, X H.]]
[[Category: Wang, X H.]]
[[Category: Cystine knot]]
[[Category: Cystine knot]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 04:57:25 2008''

Revision as of 01:57, 1 July 2008

Image:1g9p.png

Template:STRUCTURE 1g9p

SOLUTION STRUCTURE OF THE INSECTICIDAL CALCIUM CHANNEL BLOCKER OMEGA-ATRACOTOXIN-HV2A

Template:ABSTRACT PUBMED 11522785

About this Structure

1G9P is a Single protein structure of sequence from Hadronyche versuta. Full experimental information is available from OCA.

Reference

Discovery and structure of a potent and highly specific blocker of insect calcium channels., Wang XH, Connor M, Wilson D, Wilson HI, Nicholson GM, Smith R, Shaw D, Mackay JP, Alewood PF, Christie MJ, King GF, J Biol Chem. 2001 Oct 26;276(43):40306-12. Epub 2001 Aug 24. PMID:11522785

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