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Merck
CN

230790

Chymostatin

Selective neurokinin-1 (NK1) receptor antagonist, solid,powder

Synonym(s):

Chymostatin, [(S)-1-Carboxy-2-phenylethyl]-carbamoyl-α-[2-amidohexahydro-4(S)-pyrimidyl]-(S)-glycyl-[A = Leu; B = Val; or C = Ile]-phenylalaninal

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77
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Product Name

Chymostatin, Contains chymostatin "A" as a major form.

Quality Level

description

RTECS - GC3047700

form

powder
solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white to slightly yellow

solubility

5% glacial acetic acid: 10 mg/mL
DMSO: 20 mg/mL

shipped in

ambient

storage temp.

2-8°C

SMILES string

N7C(CCNC7=N)[C@H](NC(=O)N[C@@H](Cc9ccccc9)C(=O)O)C(=O)N[C@@H]([C@H](CC)C)C(=O)N[C@@H](Cc8ccccc8)C=O.N4C(CCNC4=N)[C@H](NC(=O)N[C@@H](Cc6ccccc6)C(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](Cc5ccccc5)C=O.N1C(CCNC1=N)[C@H](NC(=O)N[C@@H](Cc3ccccc3)C(=O)O)C(=O)N[C@@

InChI

1S/2C31H41N7O6.C30H39N7O6/c1-19(2)15-24(27(40)34-22(18-39)16-20-9-5-3-6-10-20)35-28(41)26(23-13-14-33-30(32)36-23)38-31(44)37-25(29(42)43)17-21-11-7-4-8-12-21;1-3-19(2)25(27(40)34-22(18-39)16-20-10-6-4-7-11-20)37-28(41)26(23-14-15-33-30(32)35-23)38-31(44)36-24(29(42)43)17-21-12-8-5-9-13-21;1-18(2)24(26(39)33-21(17-38)15-19-9-5-3-6-10-19)36-27(40)25(22-13-14-32-29(31)34-22)37-30(43)35-23(28(41)42)16-20-11-7-4-8-12-20/h3-12,18-19,22-26H,13-17H2,1-2H3,(H,34,40)(H,35,41)(H,42,43)(H3,32,33,36)(H2,37,38,44);4-13,18-19,22-26H,3,14-17H2,1-2H3,(H,34,40)(H,37,41)(H,42,43)(H3,32,33,35)(H2,36,38,44);3-12,17-18,21-25H,13-16H2,1-2H3,(H,33,39)(H,36,40)(H,41,42)(H3,31,32,34)(H2,35,37,43)/t22-,23?,24-,25-,26-;19-,22-,23?,24-,25-,26-;21-,22?,23-,24-,25-/m000/s1

InChI key

QJIJPLFVFWXMGK-KSPFWWQASA-N

General description

Cell permeable: No

Product does not compete with ATP.

Reversible: No

Chymostatin is a naturally occurring inhibitor of serine proteases with chymotryptic-like specificity. This tetrapeptide inhibitor is produced by various species of Streptomyces bacteria. Chymostatin is used as an inhibitor of MC chymase and is also capable of inhibiting several other proteases, including chymotrypsin, papain, chymotrypsin-like serine proteinases, and lysosomal cysteine proteinases such as cathepsins B, H, andL. Itcontains chymostatin "A" as a major form.

Application

Chymostatin has been used as a:

  • cysteine protease inhibitor in thesubstrate to measure the activated FX (FXa) activity
  • protease inhibitor in enzyme purificationlysis buffer
  • protease inhibitor for ISW2 protein complexpurification

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Lisa Marquardt et al.
Autophagy, 19(1), 278-295 (2022-05-17)
The yeast PROPPIN Atg18 folds as a β-propeller with two binding sites for phosphatidylinositol-3-phosphate (PtdIns3P) and PtdIns(3,5)P2 at its circumference. Membrane insertion of an amphipathic loop of Atg18 leads to membrane tubulation and fission. Atg18 has known functions at the

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