Kirromycin

Modify Date: 2025-08-24 21:42:25

Kirromycin Structure
Kirromycin structure
Common Name Kirromycin
CAS Number 50935-71-2 Molecular Weight 796.94300
Density 1.279g/cm3 Boiling Point 936ºC at 760 mmHg
Molecular Formula C43H60N2O12 Melting Point N/A
MSDS Chinese USA Flash Point 519.9ºC

 Use of Kirromycin


Kirromycin (Mocimycin) is an antibiotic produced by Streptomyces ramocissimus. Kirromycin is a bacterial protein synthesis inhibitor that immobilizes elongation factor Tu (EF-Tu) on the elongating ribosome[1][2].

 Names

Name Kirromycin
Synonym More Synonyms

 Kirromycin Biological Activity

Description Kirromycin (Mocimycin) is an antibiotic produced by Streptomyces ramocissimus. Kirromycin is a bacterial protein synthesis inhibitor that immobilizes elongation factor Tu (EF-Tu) on the elongating ribosome[1][2].
Related Catalog
References

[1]. H Wolf, et al. Kirromycin, an inhibitor of protein biosynthesis that acts on elongation factor Tu. Proc Natl Acad Sci U S A. 1974 Dec;71(12):4910-4.

[2]. Lian N Olsthoorn-Tieleman, et al. Elongation factor Tu3 (EF-Tu3) from the kirromycin producer Streptomyces ramocissimus Is resistant to three classes of EF-Tu-specific inhibitors. J Bacteriol. 2007 May;189(9):3581-90.

 Chemical & Physical Properties

Density 1.279g/cm3
Boiling Point 936ºC at 760 mmHg
Molecular Formula C43H60N2O12
Molecular Weight 796.94300
Flash Point 519.9ºC
Exact Mass 796.41500
PSA 228.10000
LogP 3.46570
Index of Refraction 1.621
InChIKey HMSYAPGFKGSXAJ-UHFFFAOYSA-N
SMILES CC=CC=CC1OC(O)(C(CC)C(=O)NCC=CC=C(C)C(OC)C(C)C2OC(C=CC=CC=C(C)C(=O)c3c(O)cc[nH]c3=O)C(O)C2O)C(O)C(O)C1(C)C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QA2805000
CHEMICAL NAME :
Mocimycin
CAS REGISTRY NUMBER :
50935-71-2
LAST UPDATED :
199103
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C43-H60-N2-O12
MOLECULAR WEIGHT :
797.05

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 5,109,1981

 Safety Information

RIDADR NONH for all modes of transport

 Articles25

More Articles
A signal relay between ribosomal protein S12 and elongation factor EF-Tu during decoding of mRNA.

RNA 15(2) , 208-14, (2009)

Codon recognition by aminoacyl-tRNA on the ribosome triggers a process leading to GTP hydrolysis by elongation factor Tu (EF-Tu) and release of aminoacyl-tRNA into the A site of the ribosome. The natu...

The phosphopantetheinyl transferase KirP activates the ACP and PCP domains of the kirromycin NRPS/PKS of Streptomyces collinus Tü 365.

FEMS Microbiol. Lett. 319(1) , 26-33, (2011)

The main steps in the biosynthesis of complex secondary metabolites such as the antibiotic kirromycin are catalyzed by modular polyketide synthases (PKS) and/or nonribosomal peptide synthetases (NRPS)...

Thermodynamic properties of nucleotide-free EF-Tu from Thermus thermophilus in the presence of low-molecular weight effectors of its GTPase activity.

Biochim. Biophys. Acta 1597(1) , 22-7, (2002)

The thermal transition of elongation factor EF-Tu from Thermus thermophilus in the presence of low-molecular weight effectors was studied by differential scanning calorimetry. The effectors of GTPase ...

 KirromycinBioassay

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Name: USP8 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 8
External Id: USP8 FAST DUB HTS Primary
Name: USP17 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 17 like family member 5
External Id: USP17 FAST DUB HTS Primary
Name: USP7 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 7
External Id: USP7 FAST DUB HTS Primary
Name: USP28 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 28
External Id: USP28 FAST DUB HTS Primary
Name: USP10 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 10
External Id: USP10 FAST DUB HTS Primary
Name: UCHL1 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin C-terminal hydrolase L1
External Id: UCHL1 FAST DUB HTS Primary
Name: OTUD3 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: OTU deubiquitinase 3
External Id: OTUD3 FAST DUB HTS Primary
Name: USP30 deubiquitinase inhibition: Primary qHTS
Source: 24642
Target: ubiquitin specific peptidase 30
External Id: USP30 FAST DUB HTS Primary
Total 8, Current Page 1 of 1
1

 Synonyms

antibiotic myc-8003
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