#!/usr/bin/perl -w
use strict;
use List::MoreUtils qw(indexes);
use Data::Dumper;

my %family_data;
my @dataNames = qw( lacM    taba    mori    glyB    gly4);

<DATA>;   #skip the header line
while (<DATA>)
{
     my ($family, @colData) = split;
     push @{$family_data{$family}}, 
               map{$dataNames[$_]}indexes{/^1$/}@colData;
}

print Dumper(\%family_data);

=prints
$VAR1 = {
          'OG_2' => [
                      'taba',
                      'glyB'
                    ],
          'OG_1' => [
                      'lacM',
                      'mori'
                    ]
        };
=cut        


__DATA__
Family  lacM    taba    mori    glyB    gly4
OG_1    1   0   1   0   0
OG_2    0   1   0   1   0