1Z6I:
reference: Structure of the ectodomain of Drosophila peptidoglycan-recognition protein LCa suggests a molecular mechanism for pattern recognition., Chang CI, Ihara K, Chelliah Y, Mengin-Lecreulx D, Wakatsuki S, Deisenhofer J, Proc Natl Acad Sci U S A 2005 Jul 19;102(29):10279-84. Epub 2005 Jul 8. PMID: 16006509

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