AntibioticMech

gamithromycin

CHEBI:195437 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A macrolide antibiotic with formula C40H76N2O12. It is used for the treatment of of bovine respiratory disease caused by Mannheimia haemolytica, Pasteurella multocida, Histophilus somni and Mycoplasma bovis in beef and non-lactating dairy cattle. The compound is also licensed in Europe for the treatment of footrot in sheep caused by Dichelobacter nodosus and Fusobacterium nodosus. — ChEBI

Classification

macrolide antibioticARO:0000000

Strictly broader compounds or drug classes this molecule belongs to.

• CHEBI:25105 CHEBI:25105
• CHEBI:63367 CHEBI:63367
• ARO:0000000 ARO:0000000

Chemical structure

Computed structure properties

Molecular formula	C40H76N2O12
Charge	0
Average mass	777.05 Da
Monoisotopic mass	776.53983 Da
Source	ChEBI
InChIKey	VWAMTBXLZPEDQO-UZSBJOJWSA-N

SMILES

CCCN1C[C@H](C)[C@@H](O)[C@](C)(O)[C@@H](CC)OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@H]1C

InChI

InChI=1S/C40H76N2O12/c1-15-17-42-21-22(3)33(44)40(11,48)29(16-2)52-36(46)26(7)32(53-30-20-39(10,49-14)34(45)27(8)51-30)25(6)35(38(9,47)19-23(42)4)54-37-31(43)28(41(12)13)18-24(5)50-37/h22-35,37,43-45,47-48H,15-21H2,1-14H3/t22-,23+,24+,25-,26+,27-,28-,29+,30-,31+,32-,33+,34-,35+,37-,38+,39+,40+/m0/s1

Also called

• Zactran (BRAND_NAME)— chebi
• gamithromycinum (INN)— chebi
• gamitromicina (INN)— chebi
• (2R,3S,4R,5S,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexamethyl-15-oxo-7-propyl-11-{[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy}-1-oxa-7-azacyclopentadecan-13-yl 2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranoside (EXACT_SYNONYM)— chebi
• (2R,3S,4R,5S,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexamethyl-7-propyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa-7-azacyclopentadecan-15-one (EXACT_SYNONYM)— chebi
• ML 1709460 (EXACT_SYNONYM)— chebi
• ML-1,709,460 (EXACT_SYNONYM)— chebi
• ML-1709460 (EXACT_SYNONYM)— chebi
• ML-460 (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

• ARO:3007761
• cas:145435-72-9
• chemspider:28530824
• drugbank:DB11416
• kegg.drug:D06598
• vsdb:1934
• chembl:CHEMBL2107342
• pubchem.compound:59364992

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
ARO	ARO:3007761	gamithromycin	antibioticmech:aro-f01e55d3f1	2026-08-30
CHEBI	CHEBI:195437	gamithromycin	antibioticmech:chebi-f6ea5129bc	2026-08-30

Mechanism summary

Mode of action

PROTEIN_SYNTHESIS_INHIBITION host shared target — Assigned from ChEBI role CHEBI:48001 (protein synthesis inhibitor). ChEBI asserts the role on the compound. The target it names is one the host has too, so the mechanism is true but is not evidence of selectivity — see mode_of_action_target_scope. Not a curator's mechanistic review.

Curation history

1. SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Seeded from data/raw/ inventories (ARO, CHEBI)

2. RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Re-seeded from updated data/raw/ inventories

3. 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.