1d0k

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{{STRUCTURE_1d0k| PDB=1d0k | SCENE= }}
{{STRUCTURE_1d0k| PDB=1d0k | SCENE= }}
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'''THE ESCHERICHIA COLI LYTIC TRANSGLYCOSYLASE SLT35 IN COMPLEX WITH TWO MURODIPEPTIDES (GLCNAC-MURNAC-L-ALA-D-GLU)'''
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===THE ESCHERICHIA COLI LYTIC TRANSGLYCOSYLASE SLT35 IN COMPLEX WITH TWO MURODIPEPTIDES (GLCNAC-MURNAC-L-ALA-D-GLU)===
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==Overview==
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Lytic transglycosylases catalyze the cleavage of the beta-1, 4-glycosidic bond between N-acetylmuramic acid (MurNAc) and N-acetylglucosamine (GlcNAc) in peptidoglycan with concomitant formation of a 1,6-anhydro bond in the MurNAc residue. To understand the reaction mechanism of Escherichia coli lytic transglycosylase Slt35, three crystal structures have been determined of Slt35 in complex with two different peptidoglycan fragments and with the lytic transglycosylase inhibitor bulgecin A. The complexes define four sugar-binding subsites (-2, -1, +1, and +2) and two peptide-binding sites in a large cleft close to Glu162. The Glu162 side chain is between the -1 and +1 sugar-binding sites, in agreement with a function as catalytic acid/base. The complexes suggest additional contributions to catalysis from Ser216 and Asn339, residues which are conserved among the MltB/Slt35 lytic transglycosylases.
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(as it appears on PubMed at http://www.pubmed.gov), where 10684641 is the PubMed ID number.
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{{ABSTRACT_PUBMED_10684641}}
==About this Structure==
==About this Structure==
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[[Category: Ef-hand]]
[[Category: Ef-hand]]
[[Category: Glycosyltransferase]]
[[Category: Glycosyltransferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 13:18:56 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 21:57:06 2008''

Revision as of 18:57, 30 June 2008

Image:1d0k.png

Template:STRUCTURE 1d0k

THE ESCHERICHIA COLI LYTIC TRANSGLYCOSYLASE SLT35 IN COMPLEX WITH TWO MURODIPEPTIDES (GLCNAC-MURNAC-L-ALA-D-GLU)

Template:ABSTRACT PUBMED 10684641

About this Structure

1D0K is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Crystallographic studies of the interactions of Escherichia coli lytic transglycosylase Slt35 with peptidoglycan., van Asselt EJ, Kalk KH, Dijkstra BW, Biochemistry. 2000 Feb 29;39(8):1924-34. PMID:10684641

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