The Complete Amino Acid Sequence of the β-Subunit of Protocatechuate 3, 4-Dioxygenase from Pseudomonas aeruginosa1
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説明
The complete amono aicd sequence of the beta-subunit of protocatechuate 3,4-dioxygenase is presented. The beta-subunit contained 237 amino acid residues, 4 of which were methionines. Accordingly, cyanogen bromide cleavage of the S-carboxymethylated beta-subunit produced five peptides. The sequences of these peptides were determined by analyses of the peptides obtained by tryptic, staphyloccal protease and thermolysin digestions. The alignment of the cyanogen bromide peptides was deduced by the use of overlapping peptides containing methionine which were obtained by tryptic digestion of the S-carboxymethylated beta-subunit. The calculated molecular weight was 26,588, which is close to the value estimated by acrylamide gel electrophoresis in the presence of sodium dodecyl sulfate.
収録刊行物
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- The Journal of Biochemistry
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The Journal of Biochemistry 86 1159-1162, 1979-10-01
Oxford University Press (OUP)