2f2l

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Template:STRUCTURE 2f2l

Contents 1 Crystal structure of tracheal cytotoxin (TCT) bound to the ectodomain complex of peptidoglycan recognition proteins LCa (PGRP-LCa) and LCx (PGRP-LCx) 2 Function 3 About this Structure 4 Reference

Crystal structure of tracheal cytotoxin (TCT) bound to the ectodomain complex of peptidoglycan recognition proteins LCa (PGRP-LCa) and LCx (PGRP-LCx)

Template:ABSTRACT PUBMED 16556841

Function

[PGPLC_DROME] Major activator of the imd/Relish pathway and is likely to encode a pattern recognition molecule for the humoral immune response. Required for Relish processing and nuclear translocation following proteolytic cleavage. Involved in the response to lipopolysaccharide (LPS) and peptidoglycan of Gram-negative bacteria. The different isoforms probably display different recognition capabilities to various microbial patterns. Isoform a and isoform x mediate the induction by LPS and Gram-negative bacteria, while isoform x mediates the induction by peptidoglycan.^{[1] [2] [3]}

About this Structure

2f2l is a 2 chain structure with sequence from Drosophila melanogaster. Full crystallographic information is available from OCA.

Reference

• Chang CI, Chelliah Y, Borek D, Mengin-Lecreulx D, Deisenhofer J. Structure of tracheal cytotoxin in complex with a heterodimeric pattern-recognition receptor. Science. 2006 Mar 24;311(5768):1761-4. PMID:16556841 doi:311/5768/1761

1. ↑ Choe KM, Werner T, Stoven S, Hultmark D, Anderson KV. Requirement for a peptidoglycan recognition protein (PGRP) in Relish activation and antibacterial immune responses in Drosophila. Science. 2002 Apr 12;296(5566):359-62. Epub 2002 Feb 28. PMID:11872802 doi:http://dx.doi.org/10.1126/science.1070216
2. ↑ Werner T, Borge-Renberg K, Mellroth P, Steiner H, Hultmark D. Functional diversity of the Drosophila PGRP-LC gene cluster in the response to lipopolysaccharide and peptidoglycan. J Biol Chem. 2003 Jul 18;278(29):26319-22. Epub 2003 May 30. PMID:12777387 doi:http://dx.doi.org/10.1074/jbc.C300184200
3. ↑ Chang CI, Ihara K, Chelliah Y, Mengin-Lecreulx D, Wakatsuki S, Deisenhofer J. Structure of the ectodomain of Drosophila peptidoglycan-recognition protein LCa suggests a molecular mechanism for pattern recognition. Proc Natl Acad Sci U S A. 2005 Jul 19;102(29):10279-84. Epub 2005 Jul 8. PMID:16006509