spiramycin II

CHEBI:31168 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A macrolide antibiotic produced by various Streptomyces species. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

CHEBI:17478 CHEBI:17478
CHEBI:25106 CHEBI:25106
CHEBI:25698 CHEBI:25698
CHEBI:47622 CHEBI:47622
CHEBI:50996 CHEBI:50996
CHEBI:63353 CHEBI:63353

Chemical structure

Computed structure properties
Molecular formula	C45H76N2O15
Charge	0
Average mass	885.102 Da
Monoisotopic mass	884.52457 Da
Source	ChEBI
InChIKey	ZPCCSZFPOXBNDL-RSMXASMKSA-N

SMILES

CO[C@@H]1[C@@H](O[C@@H]2O[C@H](C)[C@@H](O[C@H]3C[C@@](C)(O)[C@@H](O)[C@H](C)O3)[C@H](N(C)C)[C@H]2O)[C@@H](CC=O)C[C@@H](C)[C@@H](O[C@H]2CC[C@H](N(C)C)[C@H](C)O2)/C=C/C=C/C[C@@H](C)OC(=O)C[C@H]1OC(C)=O

InChI

InChI=1S/C45H76N2O15/c1-25-22-31(20-21-48)41(62-44-39(51)38(47(10)11)40(28(4)58-44)61-37-24-45(7,53)43(52)29(5)57-37)42(54-12)34(59-30(6)49)23-35(50)55-26(2)16-14-13-15-17-33(25)60-36-19-18-32(46(8)9)27(3)56-36/h13-15,17,21,25-29,31-34,36-44,51-53H,16,18-20,22-24H2,1-12H3/b14-13+,17-15+/t25-,26-,27+,28-,29+,31+,32+,33+,34-,36+,37+,38-,39-,40-,41+,42+,43+,44+,45-/m1/s1

Also called

(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-{[(2S,3R,4R,5S,6R)-5-{[(2S,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy}-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy}-10-{[(2R,5S,6S)-5-(dimethylamino)-6-methyloxan-2-yl]oxy}-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-4-yl acetate (EXACT_SYNONYM)— chebi
Acetylspiramycin (EXACT_SYNONYM)— chebi
Acetylspiramycinum (EXACT_SYNONYM)— chebi
Foromacidin B (EXACT_SYNONYM)— chebi
Foromacidine B (EXACT_SYNONYM)— chebi
Spiramycin 2 (EXACT_SYNONYM)— chebi
Spiramycin B (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:24916-51-6
kegg.compound:C12891
kegg.drug:D02420
lipidmaps:LMPK05000002
patent:WO2011147316
reaxys:25081792

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

CHEBI:33281 CHEBI:33281
CHEBI:36047 CHEBI:36047

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:31168`	spiramycin II	`antibioticmech:chebi-40f3e1da12`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.