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EC 3.2.2.26 Details
EC number
3.2.2.26
Accepted name
futalosine hydrolase
Reaction
futalosine + H2O = dehypoxanthine futalosine + hypoxanthine
Other name(s)
futalosine nucleosidase, MqnB (ambiguous)
Systematic name
futalosine ribohydrolase
Comment
This enzyme, which is specific for futalosine, catalyses the second step of a novel menaquinone biosynthetic pathway that is found in some prokaryotes.
History
created 2008
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EC Tree
1 Oxidoreductases
2 Transferases
3 Hydrolases
3.1 Acting on ester bonds
3.2 Glycosylases
3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
3.2.2 Hydrolysing N-glycosyl compounds
3.2.2.1 purine nucleosidase
3.2.2.2 inosine nucleosidase
3.2.2.3 uridine nucleosidase
3.2.2.4 AMP nucleosidase
3.2.2.5 NAD+ glycohydrolase
3.2.2.6 ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase
3.2.2.7 adenosine nucleosidase
3.2.2.8 ribosylpyrimidine nucleosidase
3.2.2.9 adenosylhomocysteine nucleosidase
3.2.2.10 pyrimidine-5′-nucleotide nucleosidase
3.2.2.11 β-aspartyl-N-acetylglucosaminidase
3.2.2.12 inosinate nucleosidase
3.2.2.13 1-methyladenosine nucleosidase
3.2.2.14 NMN nucleosidase
3.2.2.15 DNA-deoxyinosine glycosylase
3.2.2.16 methylthioadenosine nucleosidase
3.2.2.17 deoxyribodipyrimidine endonucleosidase
3.2.2.18 created 1984, deleted 1989
3.2.2.19 [protein ADP-ribosylarginine] hydrolase
3.2.2.20 DNA-3-methyladenine glycosylase I
3.2.2.21 DNA-3-methyladenine glycosylase II
3.2.2.22 rRNA N-glycosylase
3.2.2.23 DNA-formamidopyrimidine glycosylase
3.2.2.24 ADP-ribosyl-[dinitrogen reductase] hydrolase
3.2.2.25 N-methyl nucleosidase
3.2.2.26 futalosine hydrolase
3.2.2.27 uracil-DNA glycosylase
3.2.2.28 double-stranded uracil-DNA glycosylase
3.2.2.29 thymine-DNA glycosylase
3.2.2.30 aminodeoxyfutalosine nucleosidase
3.2.2.31 adenine glycosylase
3.2.3 Hydrolysing S-glycosyl compounds (deleted sub-subclass)
3.3 Acting on ether bonds
3.4 Acting on peptide bonds (peptidases)
3.4.1 α-Amino-acyl-peptide hydrolases (deleted sub-subclass)
3.4.2 Peptidyl-amino-acid hydrolases (deleted sub-subclass)
3.4.3 Dipeptide hydrolases (deleted sub-subclass)
3.4.4 Peptidyl peptide hydrolases (deleted sub-subclass)
3.4.11 Aminopeptidases
3.4.12 Peptidylamino-acid hydrolases or acylamino-acid hydrolases (deleted sub-subclass)
3.4.13 Dipeptidases
3.4.14 Dipeptidyl-peptidases and tripeptidyl-peptidases
3.4.15 Peptidyl-dipeptidases
3.4.16 Serine-type carboxypeptidases
3.4.17 Metallocarboxypeptidases
3.4.18 Cysteine-type carboxypeptidases
3.4.19 Omega peptidases
3.4.21 Serine endopeptidases
3.4.22 Cysteine endopeptidases
3.4.23 Aspartic endopeptidases
3.4.24 Metalloendopeptidases
3.4.25 Threonine endopeptidases
3.4.99 Endopeptidases of unknown catalytic mechanism (sub-subclass is currently empty)
3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
3.6 Acting on acid anhydrides
3.7 Acting on carbon-carbon bonds
3.8 Acting on halide bonds
3.9 Acting on phosphorus-nitrogen bonds
3.10 Acting on sulfur-nitrogen bonds
3.11 Acting on carbon-phosphorus bonds
3.12 Acting on sulfur-sulfur bonds
3.13 Acting on carbon-sulfur bonds
4 Lyases
5 Isomerases
6 Ligases
7 Translocases