Asaccharospora irregularis	-	347742	
Bos taurus	-	389549	
Canis lupus familiaris	-	389529	
Comamonas testosteroni	-	389524, 389533, 389534, 389536, 389546, 655790, 669389, 674981, 687642, 687870, 695886, 696459, 697268, 697270, 711310, 726505, 740802, 741274, 760866, 760867	
Comamonas testosteroni ATCC 11996	-	740802	
Digitalis lanata	-	389563	
Digitalis lanata	floxglove, NADH-linked 5beta-dihydroprogesterone 3alpha-hydroxysteroid oxidoreductase activity	389562	
Digitalis purpurea	-	389560	
Eggerthella lenta	-	347740, 347743	
Eubacterium sp.	-	347986	
Eubacterium sp. VPI 12708	-	347986	
Gallus gallus	-	389555, 587068	
Homo sapiens	-	389540, 389545, 389550, 389551, 672088, 675595, 676812, 688137, 688983, 689076, 696786, 738928, 740017	
Homo sapiens	1-4 different enzyme isoforms	389541	
Homo sapiens	4 isozyme AKR1C1-AKR1C4	656651	
Homo sapiens	4 isozymes AKR1C1-4	655214	
Homo sapiens	4 isozymes AKR1C1-AKR1C4	656200, 656787, 656838	
Homo sapiens	isozymes AKR1C1, AKR1C2, and AKR1C4	654924	
Homo sapiens	type 2 isoform	389547	
Homo sapiens	type 2 isozyme AKR1C3	655790	
Homo sapiens	type 3 isozyme AKR1C2	655348	
Homo sapiens	type III enzyme	654626	
Ictalurus punctatus	-	656648	
Mus musculus	-	389527, 696786	
Pseudomonas aeruginosa	-	741361	
Pseudomonas putida	-	389522, 389523, 389548	
Pseudomonas sp.	-	389552, 654186, 671112, 674674	
Pseudomonas sp.	srain B-0831	656300	
Pseudomonas sp. B-0831	-	760734	
Rattus norvegicus	-	349245, 389525, 389526, 389528, 389530, 389531, 389532, 389540, 389544, 389554, 389556, 655790, 673349, 685529, 687635, 689169, 741098, 762009, 762014	
Rattus norvegicus	female Wistar rats	684676	
Rattus norvegicus	isozyme AKR1C9	655214, 655215, 656651	
Rattus norvegicus	male rats	656642	
Rattus norvegicus	male sprague-dawley rats	688137	
Rattus norvegicus	NADPH- and NADH-linked 5alpha-dihydroprogesterone 3alpha-hydroxysteroid oxidoreductase activity	389557, 389558, 389559, 389561	
Rattus norvegicus Sprague-Dawley	-	741098