     WHERE b.is_ref = 1 AND a.gene_id = b.gene_id AND a.group_id = b.alt_allele_id;
 
 # Clean up remains
-DROP TABLE aa_back;
+DROP TABLE aa_bak;
 
 
 # Patch identifier
 INSERT INTO meta (species_id, meta_key, meta_value)
-  VALUES (NULL, 'patch', 'patch_70_71_b.sql|alt_allele_type');
+  VALUES (NULL, 'patch', 'patch_72_73_b.sql|alt_allele_type');

#              integrate old data into the new tables

# Relocate existing data out of the way
CREATE TABLE aa_bak LIKE alt_allele
INSERT INTO aa_bak SELECT * FROM alt_allele;

DROP TABLE alt_allele;

                         alt_allele_group_id INT UNSIGNED NOT NULL, 
                         gene_id INT UNSIGNED NOT NULL,
                         PRIMARY KEY (alt_allele_id),
                         KEY (gene_id,alt_allele_group_id)
                         ) COLLATE=latin1_swedish_ci ENGINE=MyISAM;

CREATE TABLE alt_allele_attrib (alt_allele_id INT UNSIGNED,
                                attrib ENUM('IS_REPRESENTATIVE',
