| 摘要 |
A new species of carboxypeptidase A gamma and a process for preparation thereof are disclosed. The new substance has an amino-terminal sequence with the primary structural formula of: Asn-Tyr-Ala-Thr-Tyr-His-Thr-Leu-Glu-Glu-Ile-Tyr-Asp-Phe-Met-Asp-Ile-Le u-Val-Ala-Glu-His-Pro-Gln-Leu-, and has the following physiocochemical and enzymochemical properties: (a) state: needle crystals, (b) molecular weight: 38,900 (according to gel permeation method), (c) constituent amino acids: As listed in Table 1, (d) metal contained: One Zn atom per molecule, (e) coefficient of sedimentation: 3.3, (f) isoelectric point: 4.3 (at an ionic strength of 0.
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