関連ワード:  t7 rna polymerase    t7 rna polymerase neb    t7 rna polymerase promoter    t7 rna polymerase sequence    t7 rna polymerase molecular weight    t7 rna polymerase mechanism    t7 rna polymerase promoter sequence    t7 rna polymerase gene    t7 rna polymerase size    t7 rna polymerase structure