Izvorni kod stranice Laktaza

{{Infobox Enzim
| Name = Laktaza
| EC_number = 3.2.1.108
| CAS_number = 2604851
| IUBMB_EC_number = 3/2/1/108
| GO_code = 
| image = 1jyn.jpg
| width = 270
| caption = Tetramer laktaze (''E. coli'')
}}
'''Laktaza''' ({{EC broj|3.2.1.108}}, ''laktaza-florizinska hidrolaza'') je [[enzim]] sa sistematskim imenom ''laktoza galaktohidrolaza''.<ref>{{cite journal | title = A second enzyme defect in acquired lactase deficiency: lack of small-intestinal phlorizin-hydrolase |author = Lorenz-Meyer, H., Blum, A.L., Haemmerli, H.P. and Semenza, G. |journal = Eur. J. Clin. Invest. |date = 1972 |volume = 2 |pages = 326-331 |pmid = 5082068}}</ref><ref>{{cite journal | title = Lactase-phlorizin hydrolase complex from monkey small intestine. Purification, properties and evidence for two catalytic sites |author = Ramaswamay, S. and Radhakrishnan, A.N. |journal = Biochim. Biophys. Acta |date = 1975 |volume = 403 |pages = 446-455 |pmid = 810166}}</ref><ref>{{cite journal | title = The preparation of lactase and glucoamylase of rat small intestine |author = Schlegel-Haueter, S., Hore, P., Kerry, K.R. and Semenza, G. |journal = Biochim. Biophys. Acta |date = 1972 |volume = 258 |pages = 506-519 |pmid = 5010299}}</ref><ref>{{cite journal | title = Further characterization of intestinal lactase/phlorizin hydrolase |author = Skovbjerg, H., Nor&eacute;n, O., Sj&ouml;str&ouml;m, H., Danielsen, E.M. and Enevoldsen, B.S. |journal = Biochim. Biophys. Acta |date = 1982 |volume = 707 |pages = 89-97 |pmid = 6814489}}</ref><ref>{{cite journal | title = Purification and characterization of amphiphilic lactase-phlorizin hydrolase from human small-intestine |author = Skovbjerg, H., Sj&ouml;str&ouml;m, H. and Nor&eacute;n, O. |journal = Eur. J. Biochem. |date = 1981 |volume = 114 |pages = 653-661 |pmid = 6786877}}</ref><ref>{{cite journal | title = Human small-intestinal &beta;-galactosidases. Separation and characterization of one lactase and one hetero &beta;-galactosidase | url = https://archive.org/details/sim_biochemical-journal_1969-09_114_2/page/351 |author = Asp, N.G., Dahlqvist, A. and Koldovsk&yacute;, O. |journal = Biochem. J. |date = 1969 |volume = 114 |pages = 351-359 |pmid = 5822067}}</ref> Ovaj enzim [[Kataliza|katalizuje]] sledeću [[hemijska reakcija|hemijsku reakciju]]

: [[laktoza]] + H<sub>2</sub>O <math>\rightleftharpoons</math> D-[[galaktoza]] + D-[[glukoza]]

Enzim iz intestinalne sluznice je izolovan kao kompleks koji takođe katalizuje reakciju enzima [[EC 3.2.1.62]], glikozilkeramidaza.

== Reference ==
{{reflist}}

== Literatura ==
{{refbegin|2}}
* {{PriceEnzymology3rd}}
* {{TooneAdvancesInEnzymology}}
* {{Branden ProteinStructure2nd}}
* {{SegelEnzymeKinetics}}
* {{CopelandEvaluationOfEnzymeInhibitors2nd}}
* {{MichalBiochemicalPathways}}
{{refend}}

== Spoljašnje veze ==
* {{MeshName|Lactase}}

{{Enzimi}}

[[Kategorija:EC 3.2.1]]