diff --git a/python-biopython.spec b/python-biopython.spec
index 5373cdb..85ea3f4 100644
--- a/python-biopython.spec
+++ b/python-biopython.spec
@@ -31,13 +31,13 @@ Obsoletes: python2-%{module}
 
 Name:             python-biopython
 Version:          1.73
-Release:          3%{?dist}
+Release:          4%{?dist}
 Summary:          Python tools for computational molecular biology
 Source0:          https://files.pythonhosted.org/packages/source/b/%{module}/%{module}-%{version}.tar.gz
 
 # Starting from biopython-1.69, BioPython is released under the
 # "Biopython License Agreement"; it looks like a MIT variant
-# bz#1440337
+# rhbz #1440337
 License:          MIT and BSD
 URL:              http://www.biopython.org/
 BuildRequires:    gcc
@@ -63,9 +63,11 @@ BuildRequires:    %{py2_prefix}-psycopg2
 BuildRequires:    %{py2_prefix}-rdflib
 BuildRequires:    wise2
 %if 0%{?rhel}
+BuildRequires:    MySQL-%{py2_prefix}
 BuildRequires:    numpy
 %else
 BuildRequires:    %{py2_prefix}-numpy
+BuildRequires:    %{py2_prefix}-mysql
 %endif
 
 # Required packages
@@ -75,22 +77,16 @@ Requires:         %{py2_prefix}-psycopg2
 Requires:         wise2
 Requires:         %{py2_prefix}-rdflib
 %if 0%{?rhel}
+Requires:         MySQL-%{py2_prefix}
 Requires:         numpy
-Requires:         mysql-connector-python
-Requires:         graphviz-python
+Requires:         mysql-connector-%{py2_prefix}
+Requires:         graphviz-%{py2_prefix}
 %else
 Requires:         %{py2_prefix}-numpy
 Requires:         %{py2_prefix}-pygraphviz
-%endif
-
-%if 0%{?fedora}
-BuildRequires:    python2-mysql
-Requires:         python2-mysql
-%else
-BuildRequires:    MySQL-python
-Requires:         MySQL-python
-%endif
 Requires:         %{py2_prefix}-mysql-connector
+Requires:         %{py2_prefix}-mysql
+%endif
 
 %description -n python2-%{module}
 A set of freely available Python tools for computational molecular
@@ -306,6 +302,9 @@ popd
 %license %{module}-%{version}/LICENSE.rst
 
 %changelog
+* Fri Jun 14 2019 Antonio Trande <sagitter@fedoraproject.org> - 1.73-4
+- Reorganize Requires packages for EPEL7
+
 * Thu Jun 13 2019 Antonio Trande <sagitter@fedoraproject.org> - 1.73-3
 - Rebuild for python-reportlab-3.5.23