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Adrenocorticotropic Hormone (ACTH) (18-39), human (Synonyms: CLIP (human))

Cat. No.: HY-P1476
Handling Instructions

Adrenocorticotropic Hormone (ACTH) (18-39), human is a corticotropinlike intermediate lobe peptide, which is produced in the melanotrophs of the intermediate lobe of the pituitary.

For research use only. We do not sell to patients.

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Adrenocorticotropic Hormone (ACTH) (18-39), human Chemical Structure

Adrenocorticotropic Hormone (ACTH) (18-39), human Chemical Structure

CAS No. : 53917-42-3

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Description

Adrenocorticotropic Hormone (ACTH) (18-39), human is a corticotropinlike intermediate lobe peptide, which is produced in the melanotrophs of the intermediate lobe of the pituitary.

In Vitro

The ACTH family of polypeptides consists of ACTH(1-39) (adrenocorticotropin), ACTH (1-13)amide (α-melanotropin;α-MSH); and ACTH (18-39) (corticotropinlike intermediate lobe peptide, CLIP). These polypeptides are derived from a common precursor, proopiomelanocortin. In corticotropic cells of the pars distalis, proopiomelanocortin (POMC) undergoes a series of proteolytic cleavage reactions to yield ACTH (1-39) as a major end product. However, in the melanotropic cells of the pars intermedia, an additional set of proteolytic reactions results in the conversion of ACTH (1-39) to ACTH (1-13) amide and ACTH (18-39). In several species of vertebrates, ACTH (1-13) amide undergoes end product modification to yield mono- and diacetylated forms ofα-MSH as major end products in the pars intermedia[1].

Molecular Weight

2465.67

Formula

C₁₁₂H₁₆₅N₂₇O₃₆

CAS No.

53917-42-3

Sequence

Arg-Pro-Val-Lys-Val-Tyr-Pro-Asn-Gly-Ala-Glu-Asp-Glu-Ser-Ala-Glu-Ala-Phe-Pro-Leu-Glu-Phe

Sequence Shortening

RPVKVYPNGAEDESAEAFPLEF

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Solvent & Solubility
In Vitro: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
References
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  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

Keywords:

Adrenocorticotropic Hormone (ACTH) (18-39), humanCLIP (human)OthersInhibitorinhibitorinhibit

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Adrenocorticotropic Hormone (ACTH) (18-39), human
Cat. No.:
HY-P1476
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