Streptothricin hydrolase

Identifiers
EC number| 3.5.2.19
Databases
IntEnz| IntEnz view
BRENDA| BRENDA entry
ExPASy| NiceZyme view
KEGG| KEGG entry
MetaCyc| metabolic pathway
PRIAM| profile
PDB structures| RCSB PDB PDBe PDBsum
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PMC| articles
PubMed| articles
NCBI| proteins

Streptothricin hydrolase (EC 3.5.2.19, sttH (gene)) is an enzyme with systematic name streptothricin-F hydrolase.[1][2] This enzyme catalyses the following chemical reaction

streptothricin-F + H2O ⇌ streptothricin-F acid

The enzyme also catalyses the hydrolysis of streptothricin-D to streptothricin-D acid.

## References

1. ↑ "The biological function of the bacterial isochorismatase-like hydrolase SttH". Bioscience, Biotechnology, and Biochemistry 73 (11): 2494–500. November 2009. doi:10.1271/bbb.90499. PMID 19897889.
2. ↑ "A novel enzyme conferring streptothricin resistance alters the toxicity of streptothricin D from broad-spectrum to bacteria-specific". The Journal of Biological Chemistry 281 (25): 16842–8. June 2006. doi:10.1074/jbc.m602294200. PMID 16641084.

## External links

* Streptothricin at the US National Library of Medicine Medical Subject Headings (MeSH)

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Hydrolases: carbon-nitrogen non-peptide (EC 3.5)

3.5.1: Linear amides /
Amidohydrolases|

* Asparaginase
* Glutaminase
* Urease
* Biotinidase
* Aspartoacylase
* Ceramidase
* Aspartylglucosaminidase
* Fatty acid amide hydrolase
* Histone deacetylase
* Sirtuin

3.5.2: Cyclic amides/
Amidohydrolases|

* Barbiturase
* Beta-lactamase
* Dihydroorotase

3.5.3: Linear amidines/
Ureohydrolases|

* Arginase
* Agmatinase
* Protein-arginine deiminase

3.5.4: Cyclic amidines/
Aminohydrolases|

* Guanine deaminase
* Adenosine deaminase
* AMP deaminase
* Inosine monophosphate synthase
* DCMP deaminase
* GTP cyclohydrolase I
* Cytidine deaminase
* AICDA
* Activation-induced cytidine deaminase

3.5.5: Nitriles/
Aminohydrolases|

* Nitrilase

3.5.99: Other|

* Riboflavinase
* Thiaminase II

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Enzymes

Activity|

* Active site
* Binding site
* Catalytic triad
* Oxyanion hole
* Enzyme promiscuity
* Catalytically perfect enzyme
* Coenzyme
* Cofactor
* Enzyme catalysis

Regulation|

* Allosteric regulation
* Cooperativity
* Enzyme inhibitor
* Enzyme activator

Classification|

* EC number
* Enzyme superfamily
* Enzyme family
* List of enzymes

Kinetics|

* Enzyme kinetics
* Eadie–Hofstee diagram
* Hanes–Woolf plot
* Lineweaver–Burk plot
* Michaelis–Menten kinetics

Types|

* EC1 Oxidoreductases (list)
* EC2 Transferases (list)
* EC3 Hydrolases (list)
* EC4 Lyases (list)
* EC5 Isomerases (list)
* EC6 Ligases (list)
* EC7 Translocases (list)

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