2za0

From Proteopedia

Crystal structure of mouse glyoxalase I complexed with methyl-gerfelin

Structural highlights

2za0 is a 2 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	X-ray diffraction, Resolution 1.7Å
Ligands:	,
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

LGUL_MOUSE Catalyzes the conversion of hemimercaptal, formed from methylglyoxal and glutathione, to S-lactoylglutathione. Involved in the regulation of TNF-induced transcriptional activity of NF-kappa-B (By similarity).

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

Osteoclasts, bone-resorptive multinucleated cells derived from hematopoietic stem cells, are associated with many bone-related diseases, such as osteoporosis. Osteoclast-targeting small-molecule inhibitors are valuable tools for studying osteoclast biology and for developing antiresorptive agents. Here, we have discovered that methyl-gerfelin (M-GFN), the methyl ester of the natural product gerfelin, suppresses osteoclastogenesis. By using M-GFN-immobilized beads, glyoxalase I (GLO1) was identified as an M-GFN-binding protein. GLO1 knockdown and treatment with an established GLO1 inhibitor in osteoclast progenitor cells interfered with osteoclast generation, suggesting that GLO1 activity is required for osteoclastogenesis. In cells, GLO1 plays a critical role in the detoxification of 2-oxoaldehydes, such as methylglyoxal. M-GFN inhibited the enzymatic activity of GLO1 in vitro and in situ. Furthermore, the cocrystal structure of the GLO1/M-GFN complex revealed the binding mode of M-GFN at the active site of GLO1. These results suggest that M-GFN targets GLO1, resulting in the inhibition of osteoclastogenesis.

The identification of an osteoclastogenesis inhibitor through the inhibition of glyoxalase I.,Kawatani M, Okumura H, Honda K, Kanoh N, Muroi M, Dohmae N, Takami M, Kitagawa M, Futamura Y, Imoto M, Osada H Proc Natl Acad Sci U S A. 2008 Aug 19;105(33):11691-6. Epub 2008 Aug 11. PMID:18695250^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Kawatani M, Okumura H, Honda K, Kanoh N, Muroi M, Dohmae N, Takami M, Kitagawa M, Futamura Y, Imoto M, Osada H. The identification of an osteoclastogenesis inhibitor through the inhibition of glyoxalase I. Proc Natl Acad Sci U S A. 2008 Aug 19;105(33):11691-6. Epub 2008 Aug 11. PMID:18695250