1y6h

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[[Image:1y6h.gif|left|200px]]
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{{Seed}}
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{{STRUCTURE_1y6h| PDB=1y6h | SCENE= }}
{{STRUCTURE_1y6h| PDB=1y6h | SCENE= }}
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'''Crystal structure of LIPDF'''
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===Crystal structure of LIPDF===
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==Overview==
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Peptide deformylase (PDF), which is essential for normal growth of bacteria but not for higher organisms, is explored as an attractive target for developing novel antibiotics. Here, we present the crystal structure of Leptospira interrogans PDF (LiPDF) at 2.2A resolution. To our knowledge, this is the first crystal structure of PDF associating in a stable dimer. The key loop (named the CD-loop: amino acid residues 66-76) near the active-site pocket adopts "closed" or "open" conformations in the two monomers forming the dimer. In the closed subunit, the CD-loop and residue Arg109 block the entry of the substrate-binding pocket, while the active-site pocket of the open subunit is occupied by the C-terminal tail from the neighbouring molecule. Moreover, a formate group, as one product of deformylisation, is observed bound with the active-site zinc ion. LiPDF displays significant structural differences in the C-terminal region compared to both type-I and type-II PDFs, suggesting a new family of PDFs.
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(as it appears on PubMed at http://www.pubmed.gov), where 15123432 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15123432}}
==About this Structure==
==About this Structure==
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[[Category: Open and close conformation]]
[[Category: Open and close conformation]]
[[Category: Pdf]]
[[Category: Pdf]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 15:55:45 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:57:33 2008''

Revision as of 06:57, 28 July 2008

Image:1y6h.png

Template:STRUCTURE 1y6h

Crystal structure of LIPDF

Template:ABSTRACT PUBMED 15123432

About this Structure

1Y6H is a Single protein structure of sequence from Leptospira interrogans. This structure supersedes the now removed PDB entry 1rn5. Full crystallographic information is available from OCA.

Reference

Unique structural characteristics of peptide deformylase from pathogenic bacterium Leptospira interrogans., Zhou Z, Song X, Li Y, Gong W, J Mol Biol. 2004 May 21;339(1):207-15. PMID:15123432

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