AUTHORS STATED THE FOLLOWING: THE STARTING MATERIAL HAD TEICOPLANIN A2-2 THAT CONTAINED TWO ...AUTHORS STATED THE FOLLOWING: THE STARTING MATERIAL HAD TEICOPLANIN A2-2 THAT CONTAINED TWO CHLORINE ATOMS. THE ACTUAL CRYSTALS CONTAINED BOTH CHLORINE ATOMS BEFORE THEY WERE EXPOSED TO X-RAYS. ONE CHLORINE WAS REMOVED FROM TEICOPLANIN BY X-IRRADIATION DAMAGE EARLY IN THE DIFFRACTION EXPERIMENT TEICOPLANIN IS A FAMILY OF TETRACYCLIC GLYCOPEPTIDE ANTIBIOTICS. THE SCAFFOLD IS A HEPTAPEPTIDE FURTHER GLYCOSYLATED BY THREE MONO SACCHARIDES: MANNOSE, N-ACETYLGLUCOSAMINE AND BETA-D-GLUCOSAMINE AND ONLY DIFFER BY THE SIDE CHAIN ATTACHED TO THE LATTER. TEICOPLANIN A2-2 HAS 8-METHYLNONANOIC ACID ATTACHED TO GLUCOSAMINE. HERE, TEICOPLANIN A2-2 WAS UNDER RADIATION DAMAGE, WHICH CAUSES THE LOSS OF ONE CHLORINE ATOM.
配列の詳細
C-TERMINAL FUSED BY LINKER AND MODIFIED CYS-LYS-D-ALA-D-ALA
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 2.3 Å3/Da / 溶媒含有率: 46.43 %
結晶化
温度: 291 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6.5 詳細: 0.2 M zinc acetate, 0.1 M sodium cacodylate 6.5, 16% PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 291K