4. b.40.5 Inorganic pyrophosphatase OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key 1qez d1qezf_ F:6012-6022,6049-6055,6066-6071,6078-6083,6096-6107 1qez d1qezc_ C:3012-3022,3049-3055,3066-3071,3078-3083,3096-3107 1qez d1qezd_ D:4012-4022,4049-4055,4066-4071,4078-4083,4096-4107 1qez d1qeze_ E:5012-5022,5049-5055,5066-5071,5078-5083,5096-5107 1qez d1qezb_ B:2012-2022,2049-2055,2066-2071,2078-2083,2096-2107 2au8 d2au8a1 A:14-24,52-58,69-74,81-86,100-110 1qez d1qeza_ A:1012-1022,1049-1055,1066-1071,1078-1083,1096-1107 2auu d2auua1 A:14-24,52-58,69-74,81-86,100-110 2au6 d2au6a1 A:14-24,52-58,69-74,81-86,100-110 1obw d1obwa_ A:14-24,52-58,69-74,81-86,100-110 2au9 d2au9a1 A:14-24,52-58,69-74,81-86,100-110 1igp d1igpa_ A:14-24,52-58,69-74,81-86,100-110 1mjz d1mjza_ A:14-24,52-58,69-74,81-86,100-110 1ino d1inoa_ A:14-24,52-58,69-74,81-86,100-110 1obw d1obwc_ C:14-24,52-58,69-74,81-86,99-110 1i6t d1i6ta_ A:14-24,52-58,69-74,81-86,100-110 1ipw d1ipwb_ B:14-24,52-58,69-74,81-86,99-110 1jfd d1jfda_ A:14-24,52-58,69-74,81-86,99-110 2eip d2eipa_ A:14-24,52-58,69-74,81-86,100-110 1mjy d1mjya_ A:14-24,52-58,69-74,81-86,99-110 1ipw d1ipwa_ A:14-23,53-58,69-74,82-86,101-110 1jfd d1jfdb_ B:14-24,52-58,69-74,81-86,99-110 1mjy d1mjyb_ B:14-24,52-58,69-74,81-86,99-110 1mjw d1mjwb_ B:14-24,52-58,69-74,81-86,99-110 1mjx d1mjxb_ B:14-24,52-58,69-74,81-86,99-110 1mjw d1mjwa_ A:14-24,52-58,69-74,81-86,99-110 1mjx d1mjxa_ A:14-24,52-58,69-74,81-86,99-110 1obw d1obwb_ B:14-23,53-58,69-74,82-86,100-110 1ude d1udec_ C:16-26,53-59,70-75,82-87,100-111 1ude d1udea_ A:16-26,53-59,70-75,81-87,100-111 1faj d1faja_ A:13-24,52-58,69-74,81-86,100-110 1ude d1udeb_ B:15-26,53-60,70-75,82-87,100-111 1twl d1twla_ A:16-26,53-59,70-75,82-87,100-111 1huj d1huja_ A:40-51,91-96,119-124,132-136,149-160 2eip d2eipb_ B:13-24,52-58,69-74,81-86,99-110 1huk d1huka_ A:40-51,91-96,119-124,132-136,149-160 1e6a d1e6aa_ A:40-51,91-96,119-125,132-136,149-160 1ypp d1yppa_ A:40-51,91-96,119-124,131-136,149-160 1pyp d1pypa_ A:41-52,89-95,118-124,130-134,148-159 1pyp d1pypb_ B:41-52,89-95,118-124,130-134,148-159 1e6a d1e6ab_ B:1040-1051,1091-1096,1119-1124,1132-1136,1149-1160 1i40 d1i40a_ A:14-22,53-58,69-74,81-86,99-110 1m38 d1m38a_ A:40-51,91-96,119-124,132-136,149-160 1wgj d1wgjb_ B:40-51,91-96,119-124,132-136,149-160 1e9g d1e9gb_ B:40-51,91-96,119-124,132-136,149-160 2ihp d2ihpb1 B:40-51,91-96,119-124,132-136,149-160 1e9g d1e9ga_ A:40-51,91-96,119-124,132-136,149-160 1huk d1hukb_ B:40-51,91-96,119-124,132-136,149-160 1ypp d1yppb_ B:40-51,91-96,119-125,132-136,149-160 2ihp d2ihpa1 A:40-51,91-96,119-124,132-136,149-160 1wgi d1wgib_ B:40-51,91-96,119-124,131-136,149-160 1huj d1hujb_ B:40-51,91-96,119-124,132-136,149-160 2ik4 d2ik4a1 A:40-51,91-96,119-124,132-136,149-160 8prk d8prkb_ B:1040-1050,1091-1096,1119-1124,1130-1136,1149-1160 8prk d8prka_ A:40-50,91-96,119-124,130-136,149-160 117e d117eb_ B:1040-1050,1091-1096,1119-1125,1130-1136,1149-1160 117e d117ea_ A:40-52,88-96,119-125,131-136,149-160 1wgj d1wgja_ A:40-52,88-96,119-124,131-136,149-160 2ik4 d2ik4b1 B:40-52,88-96,119-124,131-136,149-160 1m38 d1m38b_ B:40-52,88-96,119-124,131-136,149-160 1wgi d1wgia_ A:40-52,88-96,119-124,131-136,149-160 2prd d2prda_ A:14-21,52-58,69-75,81-86,99-110 5. b.40.16 HIN-2000 domain-like duplication: tandem repeat of two OB-fold domains OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key 2oq0 d2oq0c1 C:132-142,143-152,153-161,173-179,187-193 2oq0 d2oq0a1 A:132-142,143-152,153-161,173-179,187-193 2oq0 d2oq0b1 B:132-142,143-152,153-161,171-179,187-193 2oq0 d2oq0a2 A:17-33,37-49,50-59,71-76,82-88 2oq0 d2oq0d2 D:17-34,36-49,50-59,71-76,82-88 2oq0 d2oq0c2 C:17-34,36-49,50-59,70-76,82-88 2oq0 d2oq0d1 D:134-142,143-152,153-161,171-179,187-193 2oq0 d2oq0b2 B:16-34,36-49,50-59,68-76,82-88 6. b.40.11 TM0957-like extra N-terminal region and large insertion after strand 3 together form an alpha-helical subdomain ! OB-fold barrel, closed or partly opened n=5, S=10 or S=8; greek-key 2f4i d2f4ic1 C:101-106,108-113,122-127,182-187,203-209 2f4i d2f4ia1 A:101-106,108-113,122-127,182-187,203-209 2f4i d2f4id1 D:101-106,108-113,122-127,182-187,203-209 2f4i d2f4ib1 B:101-106,108-113,122-127,182-187,203-209