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Isopenicillin N synthase

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<StructureSection load='1blz' size='400' side='right' scene='52/525170/Cv/1' caption='Isopenicilln N synthase complex with ACV and NO, [[1blz]]'>
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<StructureSection load='1blz' size='350' side='right' scene='52/525170/Cv/1' caption='Isopenicilln N synthase complex with ACV and NO, [[1blz]]'>
== Function ==
== Function ==
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== Structural highlights ==
== Structural highlights ==
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IPNS <scene name='52/525170/Cv/5'>active site contains Fe+2 and the substrate ACV</scene>. The <scene name='52/525170/Cv/6'>Fe+2 ion is hexacoordinated to 3 IPNS side chains, one water molecule, the ACV thiolate moiety and NO</scene><ref>PMID:9194566</ref>. Water molecules shown as red spheres.
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IPNS <scene name='52/525170/Cv/7'>active site contains Fe+2 and the substrate ACV</scene>. The <scene name='52/525170/Cv/8'>Fe+2 ion is hexacoordinated to 3 IPNS side chains, one water molecule, the ACV thiolate moiety and NO</scene><ref>PMID:9194566</ref>. Water molecules shown as red spheres.
</StructureSection>
</StructureSection>
==3D structures of isopenicillin N synthase==
==3D structures of isopenicillin N synthase==
Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
{{#tree:id=OrganizedByTopic|openlevels=0|
{{#tree:id=OrganizedByTopic|openlevels=0|
 +
 +
*IPNS
 +
 +
**[[8bbb]] - AnIPNS + ACV – ''Aspergillus nidulans''<br />
 +
**[[6jyv]] – IPNS – ''Pseudomonas aeruginosa''<br />
*Fe containing IPNS
*Fe containing IPNS
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**[[1bk0]] - AnIPNS + ACV – ''Aspergillus nidulans''<br />
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**[[1bk0]], [[6y0o]], [[6zae]], [[6zaf]], [[6zag]], [[6zah]], [[6zam]] - AnIPNS + ACV + Fe <br />
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**[[2bjs]] - AnIPNS (mutant) + ACV<br />
+
**[[2bjs]], [[7zoe]], [[8alj]], [[8bb9]], [[8bba]], [[8bbd]], [[8bsv]], [[8bsy]], [[8p47]], [[8ptv]] - AnIPNS (mutant) + ACV + Fe<br />
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**[[1qiq]], [[1qjf]], [[1hb1]], [[1hb2]], [[1hb3]], [[1hb4]], [[1odm]], [[1odn]], [[1oc1]], [[1uzw]], [[1w03]], [[1w05]], [[2bu9]], [[1w3v]], [[1w3x]], [[2ivi]], [[2ivj]], [[2vau]], [[2vbb]], [[2vbd]], [[2vbp]], [[2vcm]], [[2ve1]], [[2wo7]], [[2y6f]], [[2y60]], [[2y86]], [[4bb3]] - AnIPNS + ACV derivative<br />
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**[[1hb1]], [[1hb2]], [[1hb3]], [[1hb4]], [[1oc1]], [[1odm]], [[1odn]], [[1qiq]], [[1qjf]], [[1uzw]], [[1w03]], [[1w05]], [[1w3v]], [[1w3x]], [[2bu9]], [[2ivi]], [[2ivj]], [[2vau]], [[2vbb]], [[2vbd]], [[2vbp]], [[2vcm]], [[2ve1]], [[2wo7]], [[2y60]], [[2y6f]], [[4bb3]], [[8p7p]], [[8py5]] - AnIPNS + ACV derivative + Fe<br />
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**[[2jb4]] - AnIPNS + cyclobutanone analog<br />
+
**[[8py8]], [[8py9]] - AnIPNS + ACV derivative + Fe + O2<br />
 +
**[[2jb4]] - AnIPNS + cyclobutanone analog + Fe<br />
 +
**[[6y0p]], [[6zao]], [[6zaq]], [[8py6]] - AnIPNS + IPN + Fe<br />
 +
**[[8p7o]] - AnIPNS + inhibitor + Fe<br />
 +
**[[7p3l]] - AnIPNS + substate analog + Fe<br />
 +
**[[8p46]] - AnIPNS (mutant) + IPN + Fe<br />
**[[1qje]] - AnIPNS + IPN + ACV<br />
**[[1qje]] - AnIPNS + IPN + ACV<br />
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**[[1blz]] - AnIPNS + NO + ACV<br />
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**[[6zai]], [[6zaj]], [[6zal]], [[6zap]] - AnIPNS + O2 + ACV<br />
 +
**[[7poy]] - AnIPNS (mutant) + NO + ACV<br />
 +
**[[8py7]], [[8pya]] - AnIPNS (mutant) + Fe + O2 + ACV<br />
 +
**[[7psw]], [[8ali]], [[8bbc]], [[8bsw]], [[8bsx]], [[8p48]], [[8rdb]] - AnIPNS (mutant) + Fe + ACV<br />
 +
**[[1blz]], [[6zan]] - AnIPNS + NO + ACV<br />
**[[1obn]], [[1w04]], [[1w06]] - AnIPNS + hydroxylamine + ACV derivative<br />
**[[1obn]], [[1w04]], [[1w06]] - AnIPNS + hydroxylamine + ACV derivative<br />
**[[3zku]], [[3zky]], [[3zoi]], [[4bb3]] - IPNS + ACV derivative – ''Emericella nidulans''<br />
**[[3zku]], [[3zky]], [[3zoi]], [[4bb3]] - IPNS + ACV derivative – ''Emericella nidulans''<br />
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*Mn containing IPNS
+
*Other metal containing IPNS
 +
 
 +
**[[1ips]] – AnIPNS + Mn<br />
 +
**[[6zw8]] - AnIPNS + ACV + Cd<br />
 +
**[[8a4g]] - AnIPNS (mutant) + ACV + Cd<br />
 +
**[[6zAK]] - AnIPNS + ACV + VO2<br />
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**[[1ips]] – AnIPNS
 
}}
}}
== References ==
== References ==
<references/>
<references/>
[[Category: Topic Page]]
[[Category: Topic Page]]

Current revision

Isopenicilln N synthase complex with ACV and NO, 1blz

Drag the structure with the mouse to rotate

3D structures of isopenicillin N synthase

Updated on 08-October-2025

References

  1. ↑ Burzlaff NI, Rutledge PJ, Clifton IJ, Hensgens CM, Pickford M, Adlington RM, Roach PL, Baldwin JE. The reaction cycle of isopenicillin N synthase observed by X-ray diffraction. Nature. 1999 Oct 14;401(6754):721-4. PMID:10537113 doi:10.1038/44400
  2. ↑ Roach PL, Clifton IJ, Hensgens CM, Shibata N, Schofield CJ, Hajdu J, Baldwin JE. Structure of isopenicillin N synthase complexed with substrate and the mechanism of penicillin formation. Nature. 1997 Jun 19;387(6635):827-30. PMID:9194566 doi:http://dx.doi.org/10.1038/42990

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky

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