2bu9
From Proteopedia
| Line 1: | Line 1: | ||
| - | [[Image:2bu9.gif|left|200px]]<br /><applet load="2bu9" size=" | + | [[Image:2bu9.gif|left|200px]]<br /><applet load="2bu9" size="350" color="white" frame="true" align="right" spinBox="true" |
caption="2bu9, resolution 1.30Å" /> | caption="2bu9, resolution 1.30Å" /> | ||
'''ISOPENICILLIN N SYNTHASE COMPLEXED WITH L-AMINOADIPOYL-L-CYSTEINYL-L-HEXAFLUOROVALINE'''<br /> | '''ISOPENICILLIN N SYNTHASE COMPLEXED WITH L-AMINOADIPOYL-L-CYSTEINYL-L-HEXAFLUOROVALINE'''<br /> | ||
| Line 7: | Line 7: | ||
==About this Structure== | ==About this Structure== | ||
| - | 2BU9 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Emericella_nidulans Emericella nidulans] with FE, SO4 and HFV as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Isopenicillin-N_synthase Isopenicillin-N synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.21.3.1 1.21.3.1] Known structural/functional Site: <scene name='pdbsite=AC1:So4 Binding Site For Chain A'>AC1</scene>. Full crystallographic information is available from [http:// | + | 2BU9 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Emericella_nidulans Emericella nidulans] with <scene name='pdbligand=FE:'>FE</scene>, <scene name='pdbligand=SO4:'>SO4</scene> and <scene name='pdbligand=HFV:'>HFV</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Isopenicillin-N_synthase Isopenicillin-N synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.21.3.1 1.21.3.1] Known structural/functional Site: <scene name='pdbsite=AC1:So4+Binding+Site+For+Chain+A'>AC1</scene>. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BU9 OCA]. |
==Reference== | ==Reference== | ||
| Line 28: | Line 28: | ||
[[Category: penicillin biosynthesis]] | [[Category: penicillin biosynthesis]] | ||
| - | ''Page seeded by [http:// | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Feb 3 10:27:50 2008'' |
Revision as of 08:27, 3 February 2008
|
ISOPENICILLIN N SYNTHASE COMPLEXED WITH L-AMINOADIPOYL-L-CYSTEINYL-L-HEXAFLUOROVALINE
Overview
Isopenicillin N synthase (IPNS) is a non-haem iron oxidase that catalyses, the formation of isopenicillin N from the tripeptide, delta-(L-alpha-aminoadipoyl)-L-cysteinyl-D-valine. In this report, we, describe the crystal structure of the enzyme with a non-natural, L,L,L-tripeptide substrate, delta-(L-alpha-aminoadipoyl)-L-cysteinyl-L-3,3,3,3',3',3'-hexafluorovaline, . This structure reveals a strong binding interaction of the tripeptide, within the active site and a unique conformation for the non-natural, L,L,L-diastereomer. Taken together, these findings provide a possible, rationale for the previously observed inhibitory effects of, L,L,L-tripeptide substrates on IPNS activity.
About this Structure
2BU9 is a Single protein structure of sequence from Emericella nidulans with , and as ligands. Active as Isopenicillin-N synthase, with EC number 1.21.3.1 Known structural/functional Site: . Full crystallographic information is available from OCA.
Reference
Unique binding of a non-natural L,L,L-substrate by isopenicillin N synthase., Howard-Jones AR, Rutledge PJ, Clifton IJ, Adlington RM, Baldwin JE, Biochem Biophys Res Commun. 2005 Oct 21;336(2):702-8. PMID:16143309
Page seeded by OCA on Sun Feb 3 10:27:50 2008
