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Merck
CN

21026

Sigma-Aldrich

Caerulein

≥97.0% (HPLC)

Synonym(s):

Caerulein Sulfated, Cerulein, Ceruletide, [Tyr(SO3H)4]Caerulein, pGlu-Gln-Asp-Tyr(SO3H)-Thr-Gly-Trp-Met-Asp-Phe-NH2

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About This Item

Empirical Formula (Hill Notation):
C58H73N13O21S2
CAS Number:
17650-98-5
Molecular Weight:
1352.40
Beilstein:
5422487
MDL number:
MFCD00076478
UNSPSC Code:
12352200

Key Documents

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Assay

≥80% peptide basis
≥97.0% (HPLC)

solubility

0.05 M ammonium hydroxide: 1 mg/mL, clear, colorless

storage temp.

−20°C

SMILES string

CSCC[C@H](NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)CNC(=O)C(NC(=O)[C@H](Cc3ccc(OS(O)(=O)=O)cc3)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H]4CCC(=O)N4)[C@@H](C)O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](Cc5ccccc5)C(N)=O

InChI

1S/C58H73N13O21S2/c1-29(72)49(71-57(87)40(23-31-12-14-33(15-13-31)92-94(89,90)91)68-56(86)43(26-48(78)79)69-52(82)37(16-18-44(59)73)65-51(81)36-17-19-45(74)63-36)58(88)62-28-46(75)64-41(24-32-27-61-35-11-7-6-10-34(32)35)54(84)66-38(20-21-93-2)53(83)70-42(25-47(76)77)55(85)67-39(50(60)80)22-30-8-4-3-5-9-30/h3-15,27,29,36-43,49,61,72H,16-26,28H2,1-2H3,(H2,59,73)(H2,60,80)(H,62,88)(H,63,74)(H,64,75)(H,65,81)(H,66,84)(H,67,85)(H,68,86)(H,69,82)(H,70,83)(H,71,87)(H,76,77)(H,78,79)(H,89,90,91)/t29-,36+,37+,38+,39+,40+,41+,42+,43+,49?/m1/s1

InChI key

YRALAIOMGQZKOW-HJMGKOKZSA-N

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Amino Acid Sequence

Glp-Gln-Asp-Tyr(SO3H)-Thr-Gly-Trp-Met-Asp-Phe-NH2

Biochem/physiol Actions

Effects on perception of pain are conflicting. It prevents gall bladder pain, renal colic, and the pain of intermittent claudication; however, in general, it is seen as an antagonist of endogenous opioids.

Other Notes

A cholecystokinin analog. Review; In studies on protease zymogens

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Active polypeptides of nonmammalian origin.
G Bertaccini
Pharmacological reviews, 28(2), 127-177 (1976-06-01)
Dinesh Srinivasan et al.
Biochimie, 95(2), 429-435 (2012-11-13)
Peptidomic analysis of norepinephrine-stimulated skin secretions of the tetraploid clawed frog Xenopus laevis (Pipidae) led to the identification of 10 peptides with the ability to stimulate the release of insulin from the rat BRIN-BD11 clonal β cell line. These peptides
Christoph B Westphalen et al.
Methods in molecular biology (Clifton, N.J.), 980, 291-300 (2013-01-30)
Pancreatic cancer is a uniformly lethal disease characterized by a strong stromal reaction called desmoplasia. Organ fibrosis is also a feature of chronic pancreatitis a known risk factor for pancreatic cancer. Here we describe a transplantation approach to investigate bone
W Steinhilber et al.
Proceedings of the National Academy of Sciences of the United States of America, 85(18), 6597-6601 (1988-09-01)
Infusion of rats with optimal doses of caerulein for up to 24 hr resulted in divergent changes in protein synthesis in the exocrine pancreas: a 3-fold increase in synthesis of anionic trypsinogen and a 75% decrease in synthesis of amylase.
Xuxia Gao et al.
American journal of physiology. Gastrointestinal and liver physiology, 304(9), G804-G813 (2013-02-23)
Activation of pancreatic stellate cells (PSCs) by transforming growth factor (TGF)-β is the key step in the development of pancreatic fibrosis, a common pathological feature of chronic pancreatitis (CP). Bone morphogenetic proteins (BMPs), members of the TGF-β superfamily, have anti-fibrogenic
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