Complete amino acid sequence of hog pepsin
نویسندگان
چکیده
منابع مشابه
Amino-acid sequence of porcine pepsin.
As the culmination of several years of experiments, we propose a complete amino-acid sequence for porcine pepsin, an enzyme containing 327 amino-acid residues in a single polypeptide chain. In the sequence determination, the enzyme was treated with cyanogen bromide. Five resulting fragments were purified. The amino-acid sequence of four of the fragments accounted for 290 residues. Because the s...
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Cyanogen bromide treatment of reduced, S-carboxymethylated phosphoglycerate kinase yielded 14 major peptides, CNBr-1 (20 residues), CNBr-2 (8 residues), CNBr-3 (33 residues), CNBr-4 (11 residues), CNBr-5 (104 residues), CNBr-6 (14 residues), CNBr-7 (37 residues), CNBr-8 (7 residues), CNBr-9 (6 residues), CNBr-10 (11 residues), CNBr-11 (19 residues), CNBr-12 (42 residues), CNBr-13 (44 residues),...
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Attempts to apply the technique of Edman (l), for the stepwise degradation of peptides with the formation of phenylthiohydantoins (PTH), to the study of the N-terminal amino acid sequence of pepsin have resulted in only qualified success. One of the principal drawbacks of this technique arises from the fact that the reactions entailed are usually not complete. Thus, residual amounts of terminal...
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The active cysteine of papain was labeled with W-iodoacetate and the cystine residues were reduced and coupled with unlabeled iodoacetate. The heptacarboxymethyl papain was then maleylated and hydrolyzed with trypsin. Key peptides were isolated from this hydrolysate which have permitted completion of the amino acid sequence of the protein. Thus, an earlier tentative and incomplete version of th...
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In a previous paper data were presented that permitted the linear arrangement of five fragments produced by cleavage of an extracellular nuclease of Staphylococcus aureus with cyanogen bromide (1). The amino acid sequences of the tryptic peptides prepared from these fragments, together with the partial sequences of chymotryptic peptides isolated from digests of the intact nuclease, have also be...
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ژورنال
عنوان ژورنال: FEBS Letters
سال: 1974
ISSN: 0014-5793
DOI: 10.1016/0014-5793(74)81001-x