An acyldepsipeptide antibiotic
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A-54556B

Item No. 17090

Technical Information
Formal Name
N-[(2E,4E,6E)-1-oxo-2,4,6-octatrien-1-yl]-L-phenylalanyl-L-seryl-L-prolyl-N-methyl-L-alanyl-L-alanyl-L-proline, (6→2)-lactone
CAS Number
1629166-56-8
Synonyms
  • A-54556 Factor B
Molecular Formula
C37H48N6O8
Formula Weight
Purity
≥95%
A powder
DMF: SolubleDMSO: SolubleEthanol: SolubleMethanol: Soluble
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
InChi Code
InChI=1S/C37H48N6O8/c1-5-6-7-8-12-19-31(44)39-27(22-26-15-10-9-11-16-26)33(46)40-28-23-51-37(50)30-18-14-21-43(30)34(47)24(2)38-32(45)25(3)41(4)36(49)29-17-13-20-42(29)35(28)48/h5-12,15-16,19,24-25,27-30H,13-14,17-18,20-23H2,1-4H3,(H,38,45)(H,39,44)(
InChi Key
UMDXSUFDIAGURI-YTFXDNJKSA-N
Origin
Bacterium/Streptomyces sp.
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    A-54556B is a natural acyldepsipeptide (ADEP) antibiotic isolated from the fermentation broth of S. hawaiiensis.1 Like the closely related ADEP, A-54556A (Item No. 15305), A-54556B is effective against Gram-positive bacteria, including penicillin-resistant S. aureus.1 A-54556B is also effective against many strains of anaerobic bacteria.1

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Michel, K.H., and Kastner, R.E. A54556 antibiotics and process for production thereof. 423,948, 1-19 (1985).