3-methylarginine

CHEBI:171656 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A non-proteinogenic α-amino acid that is arginine carrying a methyl group at position 3. It is a rare amino acid produced by Pseudomonas syringae syringae, with a strong toxicity against Pseudomonas syringae glycinea, two soybean pathogens. — 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:24436 CHEBI:24436
CHEBI:26167 CHEBI:26167
CHEBI:83925 CHEBI:83925

Chemical structure

Computed structure properties
Molecular formula	C7H16N4O2
Charge	0
Average mass	188.231 Da
Monoisotopic mass	188.12733 Da
Source	ChEBI
InChIKey	VRWSVIUPXSFVFZ-UHFFFAOYSA-N

SMILES

CC(CCNC(=N)N)C(N)C(=O)O

InChI

InChI=1S/C7H16N4O2/c1-4(5(8)6(12)13)2-3-11-7(9)10/h4-5H,2-3,8H2,1H3,(H,12,13)(H4,9,10,11)

Also called

5-carbamimidamidoisoleucine (EXACT_SYNONYM)— chebi
2-amino-5-(diaminomethylideneamino)-3-methylpentanoic acid (EXACT_SYNONYM)— chebi
2-amino-5-carbamimidamido-3-methylpentanoic acid (EXACT_SYNONYM)— chebi
3-MeArg (EXACT_SYNONYM)— chebi
3-methyl-Arg (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

metacyc.compound:CPD-12429

Activity roles

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

CHEBI:33282 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
CHEBI	`CHEBI:171656`	3-methylarginine	`antibioticmech:chebi-26c59b6385`	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.