产品详情
简单介绍：
Pepsinogen I (PGI, PGA)
详情介绍：
| Product Name | Pepsinogen I |
| Source | Human Gastric Mucosa |
| Catalogue Number | 440-50 |
| Purity | > 90% (SDS-PAGE) |
| Purity Note | May contain minor cleavage products |
| Form | Lyophilized |
| Protein | Reported mg protein/vial (A280nm, E0.1%=1.48) |
| Specific Activity | > 500 U/mg protein (After activation) |
| Unit Definition | One unit will produce a change in A280 of 0.001 per minute at pH 2.0 and 37°C, measured as TCA-soluble products from hemoglobin. |
| Identity | Confirmed by Western Blot |
| Appearance | White lyophilisate |
| Formulation | Lyophilized from tris chloride, pH 8.5. |
| Solubility | Clear, colorless liquid (1 mg/mL saline) |
| Reconstitution | After reconstitution maintain at or above pH 8.0 to avoid activation. |
| Related Products | 440-52 - Pepsinogen II |
| Recertification | 3 years |
| Storage | -20°C |
| Molecular Weight | 40,300 |
| Synonyms | Pepsinogen A, PG I, PGA, Pepsinogen 1 |
| E.C. Number | 3.4.23.1 |
| Gene | PGA3, PGA4, PGA5 |
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