A-54556B is a natural acyldepsipeptide (ADEP) antibiotic isolated from the fermentation broth of S. hawaiiensis. Like the closely related ADEP, A-54556A , A-54556B is effective against Gram-positive bacteria, including penicillin-resistant S. aureus. A-54556B is also effective against many strains of anaerobic bacteria.
A-54556B
Catalog No.: GC42661Purity:>95.00%Synonyms: A-54556 Factor B
A-54556B is a natural acyldepsipeptide (ADEP) antibiotic isolated from the fermentation broth of S.
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 1629166-56-8
500μgIn Stock
$445.00
1
2.5mgIn Stock
$1,891.00
1
| Pack Size | Price | Availability | Quantity | Action |
|---|---|---|---|---|
| 500μg | $445.00 | In Stock | 1 | |
| 2.5mg | $1,891.00 | In Stock | 1 |
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Citations
No citations are currently available for this product. Below are selected publications citing GlpBio products.
Nature641, 529–536 (2025)
Nature628, 630–638 (2024)
Nature632, 686–694 (2024)
Nature618, 1017–1023 (2023)
Nature610, 366–372 (2022)
Cell187(9):2288-2304 (2024)
Cell183(7):1867-1883 (2020)
Science388(6745) (2025)
Science387(6739) (2025)
Science387(6734) (2025)
Cell Research35, 97–116 (2025)
Cell Research34, 683–706 (2024)
Cell Research33, 273–287 (2023)
Cell Research33, 546–561 (2023)
Cell Research33, 904–922 (2023)
Cell Research31, 1291–1307 (2021)
Description
Product Documents
Purity:>95.00%Appearance:A Powder
Chemical Properties
CAS No.
1629166-56-8
Synonyms
A-54556 Factor B
SMILES
O=C([C@@H](NC(/C=C/C=C/C=C/C)=O)CC1=CC=CC=C1)N[C@@H](COC2=O)C(N3[C@H](C(N([C@@H](C)C(N[C@H](C(N4[C@H]2CCC4)=O)C)=O)C)=O)CCC3)=O
Molecular Formula
C37H48N6O8
Molecular Weight
704.8
Solubility
DMF: Soluble,DMSO: Soluble,Ethanol: Soluble,Methanol: Soluble
Storage
Store at -20°C
General tips
Select a suitable solvent according to the product solubility data. Once prepared, aliquot the stock solution to avoid repeated freeze-thaw cycles.
Use stock solutions within 6 months when stored at -80°C or within 1 month when stored at -20°C.
To improve solubility, warm the tube to 37°C and sonicate it for an appropriate period.
Use stock solutions within 6 months when stored at -80°C or within 1 month when stored at -20°C.
To improve solubility, warm the tube to 37°C and sonicate it for an appropriate period.
Shipping Condition
Evaluation samples are shipped with blue ice. Other available sizes are shipped at room temperature or with blue ice upon request.
CalculatorsMolarity / Dilution / Molecular Weight / Unit Conversion / In Vivo Formulation / Solubility
g/mol
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