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全球最大CRISPR工具平台(蛋白/mRNA)
The World's Largest Precision Gene/Base/Prime Editing Arsenal
-80℃储存,低温运输。
产品编号 | 产品名称 | 包装 |
N1256 | TtCsm6 mRNA (1mg/ml) | 100/1000μg |
名称别名:CRISPR-associated ribonuclease TtCsm6
种属来源:嗜热菌(Thermus thermophilus)
单体约110 kDa
活性与特性:
激活机制:被环四腺苷酸(cA₄)激活,诱导构象变化:
CARF域闭合 → HTH域二聚化 → HEPN域R-X₄-₆-H基序重组(活性态)
自灭活:CARF域切割cA₄为A₂>P,恢复非活性构象
CDS (1845nt):
atgggcagcagccatcatcatcatcatcacagcagcggcctggtgccgcgcggcagccatatggctagctggagccatccgcagtttgaaaaaggtggtggtagcggtggtggttcaggtggtagtgcatggtcacaccctcagtttg
agaaaatgtcggactcagaagtcaatcaagaagctaagccagaggtcaagccagaagtcaagcctgagactcacatcaatttaaaggtgtccgatggatcttcagagatcttcttcaagatcaaaaagaccactcctttaagaaggctga
tggaagcgttcgctaaaagacagggtaaggaaatggactccttaagattcttgtacgacggtattagaatccaagctgatcagacccctgaagatttggacatggaggataacgatattattgaggctcacagagaacagattggtggat
ctatggaggaccttgatgcgttgtgggagcgctatcgtgaagctgttcgcgcgggtgggaatccccaggctctgtaccaggagatggtatggccggcgttgttagcactgtggcgcgagaaacctcgcgtttaccccttccctcaagca
tttgcggtgtcagtgcatacccttggaacgagcccggaggcaactgctcttgcgatcttaggtgcaggcgccgagcgcgtttatgtgttacacactccggagtcagcgcgcttcttgccgcgcttacgtcaagacaccggaaaggacttg
tacccagttgagattggaaagagtgacgtagaggcgatctatcgtgaagtgaagcgcttattggaaaagcaccccgaagtccctgtcgcattggacctgacttcggggaccaaggcaatgtcggcagggttggccgccgcaggattttt
tttccaacgtttttatcccaaagtccgtgtggtgtatgtagataacgaagactatgacccagaattgcgccgcccgcgcgccgggacggagaaacttcgcattttgcccaatccacacgaggctttggctgaagtcgacgcattgtttgcca
aagagctttatggcaaaggagaatttgggcaggcggcggcttactttcgcggaatggttggtcgcactggtaatca……….
Du, L., Zhu, Q. & Lin, Z. Molecular mechanism of allosteric activation of the CRISPR ribonuclease Csm6 by cyclic tetra-adenylate. EMBO J. 43, 304–315 (2024).
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