tolybyssidin B

CHEBI:66250 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

A homodetic cyclic peptide isolated from the culture medium of the cyanobacterium Tolypothrix byssoidea. — 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:24613 CHEBI:24613

Chemical structure

Computed structure properties
Molecular formula	C72H114N16O16S
Charge	0
Average mass	1491.867 Da
Monoisotopic mass	1490.83194 Da
Source	ChEBI
InChIKey	QONBOMKYCJJCSL-WPQAJTLNSA-N

SMILES

C/C=C1/NC(=O)[C@H](C(C)C)NC(=O)[C@H](Cc2ccccc2)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C(C)C)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](C(C)C)NC(=O)[C@H](CCSC)NC(=O)[C@H](Cc2ccc(O)cc2)NC(=O)[C@H](CCCNC(=N)N)NC1=O

InChI

InChI=1S/C72H114N16O16S/c1-17-40(13)56-69(102)88-57(41(14)89)70(103)85-55(39(11)12)67(100)84-54(38(9)10)66(99)83-52(36(5)6)65(98)80-50(33-43-23-20-19-21-24-43)63(96)82-51(35(3)4)64(97)76-46(18-2)59(92)77-47(25-22-31-75-72(73)74)60(93)79-49(34-44-26-28-45(91)29-27-44)62(95)78-48(30-32-105-16)61(94)81-53(37(7)8)68(101)87-58(42(15)90)71(104)86-56/h18-21,23-24,26-29,35-42,47-58,89-91H,17,22,25,30-34H2,1-16H3,(H,76,97)(H,77,92)(H,78,95)(H,79,93)(H,80,98)(H,81,94)(H,82,96)(H,83,99)(H,84,100)(H,85,103)(H,86,104)(H,87,101)(H,88,102)(H4,73,74,75)/b46-18+/t40-,41+,42+,47-,48-,49-,50-,51-,52-,53-,54-,55-,56-,57-,58-/m0/s1

Also called

1-{3-[(2S,5S,8S,11S,14S,17S,20S,23S,26S,29S,32S,35S,38E)-32-benzyl-17-[(2S)-butan-2-yl]-38-ethylidene-5-(4-hydroxybenzyl)-14,20-bis[(1R)-1-hydroxyethyl]-8-[2-(methylsulfanyl)ethyl]-3,6,9,12,15,18,21,24,27,30,33,36,39-tridecaoxo-11,23,26,29,35-penta(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31,34,37-tridecaazacyclononatriacontan-2-yl]propyl}guanidine (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:8828543

Activity roles

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

CHEBI:35718 CHEBI:35718

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:66250`	tolybyssidin B	`antibioticmech:chebi-24adab93a5`	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.