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A 54556A is an unusual depsipeptide isolated from Streptomyces hawaiiensis by researchers at Eli Lilly in 1985, featuring a trienone side chain. A 54556A is potently active against Gram positive and Gram negative bacteria, including MRSA. A 54556A was the original lead structure of the recently re-discovered acyldepsipeptide (ADEP) antibiotics that act by activating and disregulating Clp-family proteins. ADEPs are considered important leads in the development of new generations of antibiotics against resistant bacteria.

Additional Information

Product #	A-2575
CAS #	95398-45-1
Chemical Name	N-ALPHA-[(2E,4E,6E)-2,4,6-OCTATRIENOYL]-N-[(2R,6S,9S,11AS,17S,20AS)-2,6,9,10-TETRAMETHYL-5,8,11,16,20-PENTAOXOHEXADECAHYDRO-1H,5H,16H-DIPYRROLO[2,1-C,2',1'-L][1,4,7,10,13]OXATETRAAZACYCLOHEXADECIN-17-Y L]-L-PHENYLALANINAMIDE
Formula	C38H50N6O8
MW	718.8
Appearance	Light tan
Purity	>95% by HPLC
Storage Temp	-20° C
Therapeutic Area	Infectious Diseases
Use	A potent antibiotic that is active against gram positive and gram negative bacteria

Additional Information

InChI	InChI=1S/C38H50N6O8/c1-6-7-8-9-13-18-32(45)40-28(21-27-15-11-10-12-16-27)34(47)41-29-23-52-38(51)31-20-24(2)22-44(31)35(48)25(3)39-33(46)26(4)42(5)37(50)30-17-14-19-43(30)36(29)49/h6-13,15-16,18,24-26,28-31H,14,17,19-23H2,1-5H3,(H,39,46)(H,40,45)(H,41,47)/b7-6+,9-8+,18-13+/t24-,25+,26+,28+,29+,30+,31+/m1/s1
SMILES	C/C=C/C=C/C=C/C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@H]2COC(=O)[C@@H]3C[C@H](CN3C(=O)[C@@H](NC(=O)[C@@H](N(C(=O)[C@@H]4CCCN4C2=O)C)C)C)C