surfactin B

CHEBI:71977 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A cyclodepsipeptide that is N-[(3R)-3-hydroxy-12-methyltridecanoyl]-L-α-glutamyl-L-leucyl-D-leucyl-L-valyl-L-α-aspartyl-D-leucyl-L-leucine in which the C-terminal carboxy group has been lactonised by condensation with the alcoholic hydroxy group. — 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:25061 CHEBI:25061
CHEBI:35213 CHEBI:35213
CHEBI:63944 CHEBI:63944

Chemical structure

Computed structure properties
Molecular formula	C52H91N7O13
Charge	0
Average mass	1022.336 Da
Monoisotopic mass	1021.66749 Da
Source	ChEBI
InChIKey	DDULCZLFAKVKJB-JIXKVBNCSA-N

SMILES

[H][C@@]1(CCCCCCCCC(C)C)CC(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)O1

InChI

InChI=1S/C52H91N7O13/c1-29(2)19-17-15-13-14-16-18-20-35-27-42(60)53-36(21-22-43(61)62)46(65)54-37(23-30(3)4)47(66)56-39(25-32(7)8)50(69)59-45(34(11)12)51(70)57-40(28-44(63)64)49(68)55-38(24-31(5)6)48(67)58-41(26-33(9)10)52(71)72-35/h29-41,45H,13-28H2,1-12H3,(H,53,60)(H,54,65)(H,55,68)(H,56,66)(H,57,70)(H,58,67)(H,59,69)(H,61,62)(H,63,64)/t35-,36+,37+,38-,39-,40+,41+,45+/m1/s1

Also called

3-[(3S,6R,9S,12S,15R,18S,21S,25R)-9-(carboxymethyl)-3,6,15,18-tetraisobutyl-12-isopropyl-25-(9-methyldecyl)-2,5,8,11,14,17,20,23-octaoxo-1-oxa-4,7,10,13,16,19,22-heptaazacyclopentacosan-21-yl]propanoic acid (EXACT_SYNONYM)— chebi

Activity roles

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

CHEBI:22587 CHEBI:22587
CHEBI:33281 CHEBI:33281
CHEBI:33282 CHEBI:33282
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:71977`	surfactin B	`antibioticmech:chebi-3e0bc2a19d`	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.