| Bioactivity | Aprotinin is a bovine pancreatic trypsin inhibitor (BPTI) inhibitor which inhibits trypsin and chymotrypsin with Kis of 0.06 pM and 9 nM, respectively. | ||||||
| Invitro | Aprotinin, a serine protease inhibitor isolated from bovine lung, is a complex protease inhibitor that is an antifibrinolytic, inhibits contact activation, and decreases the inflammatory response to cardiopulmonary bypass[2]. Aprotinin inhibits trypsin (bovine, Ki= 0.06 pM), chymotrypsin (bovine, Ki= 9 nM), plasmin (human, 0.23 nM)[1]. Aprotinin is also a competitive protein inhibitor of NOS activity. It inhibits NOS-I and NOS-II with Ki values of 50 μM and 78 μM, respectively[3]. Aprotinin significantly inhibits fibrinolysis with an IC50 of 0.16±0.05 μM[4]. | ||||||
| Name | Aprotinin | ||||||
| CAS | 9087-70-1 | ||||||
| Sequence | Arg-Pro-Asp-Phe-Cys-Leu-Glu-Pro-Pro-Tyr-Thr-Gly-Pro-Cys-Lys-Ala-Arg-Ile-Ile-Arg-Tyr-Phe-Tyr-Asn-Ala-Lys-Ala-Gly-Leu-Cys-Gln-Thr-Phe-Val-Tyr-Gly-Gly-Cys-Arg-Ala-Lys-Arg-Asn-Asn-Phe-Lys-Ser-Ala-Glu-Asp-Cys-Met-Arg-Thr-Cys-Gly-Gly-Ala(Disulfide bridge: Cys5-Cys55,Cys14-Cys38,Cys30-Cys51) | ||||||
| Shortening | RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA(Disulfide bridge: Cys5-Cys55,Cys14-Cys38,Cys30-Cys51) | ||||||
| Formula | C284H432N84O79S7 | ||||||
| Molar Mass | 6511.44 | ||||||
| Transport | Room temperature in continental US; may vary elsewhere. | ||||||
| Storage | Sealed storage, away from moisture
*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |
Aprotinin
CAS: 9087-70-1 F: C284H432N84O79S7 W: 6511.44
Aprotinin is a bovine pancreatic trypsin inhibitor (BPTI) inhibitor which inhibits trypsin and chymotrypsin with Kis of
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