Hi Yomara,

These sources might be helpful to you.

Human Histone-modifying enzymes database and article:

http://www.actrec.gov.in/histome/index.php

Article HIstome - A relational knowledgebase of human histone protei...

List of histone-modifying enzymes from Human and other species (Cell):

Article New Nomenclature for Chromatin-Modifying Enzymes

List of Human DNA Repair Enzymes (Science):

Article Human DNA repair genes

Best Wishes.

You can use this:

http://www.actrec.gov.in/histome/

Not really updated

I really appreciate all your help.

Thank you very much