DEXTRAN SUCRASE

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H334：흡입 시 알레르기성 반응, 천식 또는 호흡 곤란 등을 일으킬 수 있음

• 예방조치문구

  P261：분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.

  P285：환기가 잘 되지 않는 곳에서는 호흡기 보호구를 착용하시오

  P304+P341：들이마신 경우,호흡이 어려운 경우 환자를 신선한 공기가 있는 곳으로 옮기고 호흡하기 편한 자세로 안정을 취하게 함

  P342+P311：호흡기 증상이 나타나면 의료기관(의사)의 진찰을 받으시오.

  P501：...에 내용물 / 용기를 폐기 하시오.

DEXTRAN SUCRASE 화학적 특성, 용도, 생산

• 용도

  Dextran sucrase from Leuconostoc mesenteroides has been used in a study to investigate the functional and structural characterization of α-(1→2) branching sucrase derived from DSR-E glucansucrase. Dextran sucrase from Leuconostoc mesenteroides has also been used in a study to investigate the bioengineering of Leuconostoc mesenteroides glucansucrases.

• 일반 설명

  Dextran Sucrase from Leuconostoc mesenteroides belongs to glycoside hydrolase family 70 (GH70). It functions through a retaining mechanism and uses two catalytic acidic residues. Dextran sucrase has a dextran binding site in the C-terminal domain.

• Biochem/physiol Actions

  Dextransucrases are glucansucrases that are able to produce dextran, a glucose polymer linked mainly through α1-6 bonds. However, α1-3, α1-6, α1-4 and α1-2 bonds are also found, in both the main chain and the branching linkages. The peptide has approximately 1600 amino acids. The aspartic acid in position 551 is essential for catalytic activity, while glutamic acid 589 and aspartic acid 662 complement the catalytic triad. The activity of dextransucrase is decreased by EDTA, and is restored by the addition of calcium ions. Zinc, cadmium, lead, mercury and copper ions are inhibitory to various degrees.

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