IUBMB Enzyme Nomenclature

EC 3.5.3.20

Accepted name: diguanidinobutanase

Reaction: 1,4-diguanidinobutane + H2O = agmatine + urea

Glossary: agmatine = (4-aminobutyl)guanidine

Systematic name: 1,4-diguanidinobutane amidinohydrolase

Comments: Other diguanidinoalkanes with 3 to 10 methylene groups can also act, but more slowly.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 125268-65-7

References:

1. Yorifuji, T., Kaneoke, M., Shimizu, E., Shiota, K. and Matsuo, R. Degradation of α,ω-diguanidinoalkanes and a novel enzyme, diguanidinobutane amidohydrolase, in Pseudomonas putida. Agric. Biol. Chem. 53 (1989) 3003-3009.

[EC 3.5.3.20 created 1992]


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