Words similar to glycines
Example sentences for: glycines
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In addition, families of these proteins tend to have GxxxG and GxxxxxxG instead of related motifs that have one or both glycines changed to alanine or serine.
Apparently, other amino acids with small side chains can replace the glycines while maintaining the β-hairpin conformation of the phosphate-binding loop and avoiding steric interference with ATP binding.
Included are 32,735 sequences from Meloidogyne species ( M. incognita 12,752, M. hapla 11,049, M. javanica 5,600, M. arenaria 3,334), as well as ESTs from cyst nematode species ( G. rostochiensis 5,934, H. glycines 4,327, G. pallida 1,832), and the lesion nematode ( P. penetrans 2,048).
Following isolation from G. rostochiensis and H. glycines [ 5 ] , cellulases have been identified in M. incognita [ 6 ] , G. tabacum [ 68 ] , H. schachtii [ 69 ] , and P. penetrans [ 70 ] . Additional prokaryotic-like sequences identified in plant parasitic nematodes include other cell-wall-degrading enzymes such as xylanase [ 7 ] , pectate lyase [ 8 71 ] and polygalacturonase [ 72 ] , and evidence is accumulating that these sequences have been acquired by horizontal gene transfer [ 11 ] . The known Meloidogyne cellulase (MI00483.cl), potentially novel cellulases (MI00537.cl, MI01196.cl, MI01381.cl, MI01842.cl), and pectate lyase (MI00592.cl, MI00520.cl) were represented in the M. incognita EST clusters.
The pectate lyase gene (MI00592) was identified in G. rostochiensis and H. glycines [ 17 ] and the exo-polygalacturonase (MI00252) was identified in our M. incognita data [ 21 22 ] . Because of the obvious role of nematode genes that allow endogenous production of cell-wall degrading enzymes in attacking a plant host, it has been hypothesized that their acquisition by HGT may have been key steps in the evolution of plant-parasitic nematodes from ancestral free-living forms [ 3 ] . In that model, an intermediate, symbiotic association of a soil-dwelling (but free-living) nematode with a soil bacterium possessing these enzymes is postulated before the HGT event.
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