ENZYME entry: EC 2.1.1.179

Accepted Name
16S rRNA (guanine(1405)-N(7))-methyltransferase.
Alternative Name(s)
Sisomicin-gentamicin methyltransferase.
Reaction catalysed
S-adenosyl-L-methionine + guanine(1405) in 16S rRNA <=> S-adenosyl-L-homocysteine + N(7)-methylguanine(1405) in 16S rRNA
Comment(s)
The enzyme from the antibiotic-producing bacterium Micromonospora zionensis specifically methylates guanine(1405) at N(7) in 16S rRNA, thereby rendering the ribosome resistant to 4,6-disubstituted deoxystreptamine aminoglycosides, which include gentamicins and kanamycins.
Cross-references
BRENDA2.1.1.179
EC2PDB2.1.1.179
ExplorEnz2.1.1.179
PRIAM enzyme-specific profiles2.1.1.179
KEGG Ligand Database for Enzyme Nomenclature2.1.1.179
IUBMB Enzyme Nomenclature2.1.1.179
IntEnz2.1.1.179
MEDLINEFind literature relating to 2.1.1.179
MetaCyc2.1.1.179
UniProtKB/Swiss-Prot
Q08325, FMRO_MICOL;  P24618, GRM_MICEC;  P24619, GRM_MICRO;  
Q2J7L5, KRM_FRASC;  Q76G15, RMTB_SERMA;  Q33DX5, RMTC_PROMI;  
Q7M0R2, SGM_MICZI;  

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