malacidin A

CHEBI:140173 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A homodetic cyclic peptide containing a 28-membered ring and consisting of 3-methyl-N-[(2E,4Z)-8-methylnona-2,4-dienoyl]-L-α-aspartyl, (2S)-2,3-diaminobutanoyl, D-valyl, L-lysyl, 3-hydroxy-L-α-aspartyl, L-α-aspartyl, glycyl, 3-methyl-D-α-aspartyl, L-valyl, and (4R)-methyl-L-proline joined in sequence and cyclised by condensation of the β-amino group of the 2,3-diaminobutanoyl residue with the carboxy group of the 4-methylproline residue. — 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

nonribosomal peptide antibioticsARO:3009657

Strictly broader compounds or drug classes this molecule belongs to.

Label unavailable CHEBI:24613
Label unavailable CHEBI:46895
nonribosomal peptide antibiotics ARO:3009657

Chemical structure

Computed structure properties
Molecular formula	C56H88N12O20
Charge	0
Average mass	1249.384 Da
Monoisotopic mass	1248.62378 Da
Source	ChEBI
InChIKey	USNOUEMKNKRWQT-ORRWAHHJSA-N

SMILES

CC(C)CC/C=C\C=C\C(=O)N[C@H](C(=O)N[C@@H]1C(=O)N[C@H](C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(O)C(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)NCC(=O)N[C@H](C(C)C(=O)O)C(=O)N[C@@H](C(C)C)C(=O)N2C[C@H](C)C[C@H]2C(=O)NC1C)C(C)C(=O)O

InChI

InChI=1S/C56H88N12O20/c1-25(2)17-13-11-12-14-19-35(69)62-40(29(8)54(83)84)50(79)66-42-31(10)59-47(76)34-21-28(7)24-68(34)53(82)39(27(5)6)65-49(78)41(30(9)55(85)86)63-36(70)23-58-45(74)33(22-37(71)72)61-52(81)43(44(73)56(87)88)67-46(75)32(18-15-16-20-57)60-48(77)38(26(3)4)64-51(42)80/h11-12,14,19,25-34,38-44,73H,13,15-18,20-24,57H2,1-10H3,(H,58,74)(H,59,76)(H,60,77)(H,61,81)(H,62,69)(H,63,70)(H,64,80)(H,65,78)(H,66,79)(H,67,75)(H,71,72)(H,83,84)(H,85,86)(H,87,88)/b12-11-,19-14+/t28-,29?,30?,31?,32+,33+,34+,38-,39+,40+,41-,42+,43+,44?/m1/s1

Also called

N-[(4S,7R,10S,13S,16S,22R,25S,29R,30aS)-10-(4-aminobutyl)-22-(1-carboxyethyl)-13-[carboxy(hydroxy)methyl]-16-(carboxymethyl)-7,25-diisopropyl-3,29-dimethyl-1,5,8,11,14,17,20,23,26-nonaoxotriacontahydropyrrolo[2,1-c][1,4,7,10,13,16,19,22,25]nonaazacyclooctacosin-4-yl]-3-methyl-N2-[(2E,4Z)-8-methylnona-2,4-dienoyl]-L-α-asparagine (EXACT_SYNONYM)— chebi

Cross-references

Identifiers for this same structure in other resources. An accession that lands on two different structures in this corpus is withheld from both rather than shown here, since it names at most one of them.

malacidin AARO:3004374
pubchem.compound:132274667

Patents and articles

Documents about this compound. A patent covers a class and an article covers a topic; neither identifies a structure.

wikipedia.en:Malacidin

Activity roles

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

calcium-dependent antibiotics CHEBI:140190
antibacterial agent CHEBI:33282

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
ARO	`ARO:3004374`	malacidin A	`antibioticmech:aro-920fad44eb`	2026-08-30
CHEBI	`CHEBI:140173`	malacidin A	`antibioticmech:chebi-d3231f650c`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (ARO, 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
RESEEDED_FROM_SOURCES 2026-09-10 · 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 (YAML).

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