(1)Titanium Polysacchari: Peptide Polysaccharid is composed of network molecules formed by the short peptides that one Passing another .It is the own element of Polysaccharid chain cellular wall,and it constructs the hard framework of the cellular wall. 短肽交联
(1)Titanium Polysacchari: Peptide Polysaccharid is composed of network molecules formed by the short peptides that one Passing another .It is the own element of cellular wall ,and it constructs the hard framework of the cellular wall. 短肽交联 Polysaccharid chain
NH-CO-CHg NH-CO-CH CH5一CH-C=0M) (G) 应 H-C-CH L-Al8 双糖单位 0 M HO NH D-Glu (CH2)2 四胀尾 C=0 NH H-C-(CHz)-NHz L-LYs 肽桥 c-0 nh CHg-C-H D-Ala 回N-乙酰胞壁酸 ©N-乙酰葡糖胺 COOH the monomer illustrate of Gram bacteria(+)cellular wall peptide Polysaccharide left:the connection among simplified monomer molecules;Right:the constuctionof simplified monomer arrowhead stands for the pot of bacteriolysis enzyme hydrolyze
（M） （G） n the monomer illustrate of Gram bacteria (+) cellular wall peptide Polysaccharide left: the connection among simplified monomer molecules；Right：the constuctionof simplified monomer arrowhead stands for the pot of bacteriolysis enzyme hydrolyze
The main 4 types of peptide bridge in peptide Polysaccharid molecules type the connecting point of the end of A peptide peptide bridge the connecting point of B peptide eg. 4th amino acid -CO-NH-connected directly 3th amino acid E.coli(G) 4th amino acid -(Gly)s 3th amino acid S.aureus(G*) 4th amino acid -(the end of pepitide)2-3th amino acid M.luteus (G) 4th amino acid -D-Lys- 2 th amino acid C.poinsettiae(G+)
The main 4 types of peptide bridge in peptide Polysaccharid molecules type the connecting point of the end of A peptide peptide bridge the connecting point of B peptide eg. I 4th amino acid -CO.NH-connected directly 3th amino acid E. coli (G- ) II 4th amino acid -(Gly)5 3th amino acid S. aureus (G+) III 4th amino acid -(the end of pepitide)1~2- 3th amino acid M. luteus (G+ ) IV 4th amino acid -D-Lys- 2 th amino acid C. poinsettiae(G+)
(2)Teichoic acid teichoic acid is a kind of acid polysaccharide ,which combines with bacteria cellular wall of Gram bacteria (+).It's one of the Gram bacteria (+)bacterias own elements -OH Ala 雨-c-H NHz H-C-0 -C- 领模部冬 H 甘 A1 The structure pattern of glycerin teichoic acid (left)and monomer(right)
（2）Teichoic acid teichoic acid is a kind of acid polysaccharide ,which combines with bacteria cellular wall of Gram bacteria (+).It’s one of the Gram bacteria (+) bacterias own elements. The structure pattern of glycerin teichoic acid （left）and monomer (right)
The type of teichoic acid: Acrording to the elements of Polysaccharid: glycerin teichoic acid ribose methyl teichoic acid Acrording to the type of conbining molecules with the wall and the distribution: Wall teichoic acid Lipoteichoic acid
The type of teichoic acid： Acrording to the elements of Polysaccharid： glycerin teichoic acid ribose methyl teichoic acid Acrording to the type of conbining molecules with the wall and the distribution: Wall teichoic acid Lipoteichoic acid