1. e.51.1 Urocanase Urocanase 3 domains; d1: alpha+beta [alpha(2)-beta(3); mixed sheet: 213]; d2: alpha/beta of the NAD(P)-binding Rossmann-fold superfamily (scop_sf 51735, most similar to scop_fa 51883 and scop_fa 51736); d3: alpha+beta of the glutamine synthetase/guanido kinase fold (scop_cf 55930); d1 and d3 form a single beta-sheet 1uwk d1uwkb_ B:357-367,369-385,387-401,407-414,414-432 1uwl d1uwla_ A:357-367,369-385,387-401,407-414,414-432 1uwl d1uwlb_ B:357-367,369-385,387-401,407-414,414-432 1x87 d1x87b_ B:353-362,364-380,382-397,402-409,409-427 1w1u d1w1ub_ B:357-367,369-385,387-401,407-414,414-432 1x87 d1x87a_ A:354-362,364-380,382-397,402-408,409-427 2. d.45.1 ClpS-like ClpS-like beta-alpha(2)-beta-alpha-beta; 2 layers, alpha/beta 1rqs d1rqsa_ A:53-62,64-77,79-90,91-97,99-114 2bcw d2bcwb1 B:54-61,64-77,79-90,90-97,99-114 1ctf d1ctfa_ A:54-61,64-77,79-90,90-97,99-114 1mg9 d1mg9a_ A:27-34,39-52,54-69,69-77,77-96 1mbu d1mbuc_ C:27-34,39-52,54-69,69-77,77-96 1mbv d1mbvb_ B:27-34,39-52,54-69,69-77,77-96 1r6q d1r6qc1 C:27-34,39-52,54-69,69-77,77-96 1mbx d1mbxc_ C:27-34,39-52,54-69,69-77,77-96 1lzw d1lzwa_ A:12-19,24-37,39-54,54-62,62-81 1mbu d1mbud_ D:27-34,39-52,54-69,69-77,77-96 1r6o d1r6oc1 C:27-34,39-52,54-69,69-77,77-96 1mbx d1mbxd_ D:27-34,39-52,54-69,69-77,77-96 1r6q d1r6qd1 D:27-34,39-52,54-69,69-77,77-96 1r6o d1r6od1 D:27-34,39-52,54-69,69-77,77-96 2gyc d2gyc52 5:54-62,64-77,79-90,92-97,99-114 2gya d2gya52 5:54-62,64-77,79-90,92-97,99-114 1dd3 d1dd3a2 A:58-67,69-82,84-95,100-107,107-122 1dd4 d1dd4a2 A:58-67,69-82,84-95,100-107,107-122 4. d.94.1 HPr-like HPr-like beta-alpha-beta(2)-alpha-beta-alpha; 2 layers: a/b; antiparallel sheet 1423 1pfh d1pfha_ A:1-9,15-30,46-54,57-66,69-84 1k1c d1k1ca_ A:4-12,15-30,46-56,57-66,69-85 1zvv d1zvvw1 W:1-8,15-30,46-54,59-67,69-83 1zvv d1zvvj1 J:1-8,15-30,46-54,59-67,69-83 1kkl d1kklj_ J:1-10,15-30,46-54,57-67,69-85 1zvv d1zvvp1 P:1-10,15-30,46-54,57-67,69-83 1kkl d1kkli_ I:2-9,15-30,46-54,57-67,69-85 1kkm d1kkmj_ J:2-9,15-30,46-54,58-67,69-85 1kkm d1kkmh_ H:2-9,15-30,46-54,58-67,69-85 2jel d2jelp_ P:1-8,15-30,46-54,59-67,69-84 1rzr d1rzry_ Y:2-8,15-30,46-54,59-67,69-85 1opd d1opda_ A:1-9,15-30,46-54,58-67,69-84 1pch d1pcha_ A:2-9,15-30,46-54,58-67,69-85 2nzu d2nzul1 L:2-8,15-30,46-54,59-67,69-85 1ka5 d1ka5a_ A:1-10,15-30,46-54,57-67,69-85 1kkm d1kkmi_ I:2-10,15-30,46-54,57-67,69-85 1rzr d1rzrs_ S:2-10,15-30,46-54,57-67,69-85 1sph d1sphb_ B:2-9,15-30,46-54,58-67,69-85 1fu0 d1fu0b_ B:101-109,115-130,146-154,158-167,169-185 1hdn d1hdna_ A:1-8,15-30,46-54,59-68,69-84 1j6t d1j6tb_ B:301-309,315-330,346-354,357-367,369-384 1cm3 d1cm3a_ A:1-9,15-30,46-54,58-67,69-84 1kkl d1kklh_ H:3-10,15-30,46-54,57-67,69-85 1fu0 d1fu0a_ A:1-10,15-30,46-54,57-67,69-85 1ptf d1ptfa_ A:1-10,15-30,46-54,57-67,69-85 2nzv d2nzvl1 L:2-10,15-30,46-54,57-67,69-85 1ggr d1ggrb_ B:301-310,315-330,346-354,357-367,369-384 1vrc d1vrcc1 C:201-210,215-230,246-254,257-267,269-284 1vrc d1vrcd1 D:201-210,215-230,246-254,257-267,269-284 1poh d1poha_ A:1-10,15-30,46-54,57-67,69-84 1sph d1spha_ A:2-9,15-29,46-54,58-68,69-85 1cm2 d1cm2a_ A:1-10,15-30,46-54,57-67,69-84 2hpr d2hpra_ A:2-10,15-30,46-54,57-67,69-85 1qr5 d1qr5a_ A:1-10,15-30,47-54,56-67,69-88 1rzr d1rzrt_ T:2-10,15-30,46-54,57-67,69-85 1jem d1jema_ A:2-10,15-30,46-54,57-67,69-85 2hid d2hida_ A:2-10,15-30,46-54,57-67,69-85 7. d.296.1 YktB/PF0168-like YktB/PF0168-like alpha-beta(4)-alpha-beta(2)-alpha-beta-alpha; 2 layers, a/b; antiparallel beta-sheet, order: 1234756; half-barrel shape; topological similarity to the MotA C-terminal domain-like fold (scop_cf 69651) and the Secretion chaperone-like fold (scop_cf 69634) 1yb3 d1yb3a1 A:73-83,87-99,121-132,135-144,146-165 2a8e d2a8ea1 A:101-105,109-121,150-165,167-176,199-211 2a8e d2a8ea1 A:101-105,120-129,150-165,167-176,199-211 15. d.179.1 Substrate-binding domain of HMG-CoA reductase Substrate-binding domain of HMG-CoA reductase unusual fold 1hw9 d1hw9d2 D:703-713,752-765,767-776,789-801,830-859 1dq9 d1dq9a4 A:703-713,752-765,767-776,789-801,830-860 1dq9 d1dq9c4 C:703-713,752-765,767-776,789-801,830-860 1dq9 d1dq9b4 B:703-713,752-765,767-776,789-801,830-860 1dq9 d1dq9d4 D:703-713,752-765,767-776,789-801,830-860 1hw8 d1hw8d2 D:703-713,752-765,767-776,789-801,830-859 1dq8 d1dq8a4 A:703-713,752-765,767-776,789-801,830-860 1dqa d1dqab4 B:703-713,752-765,767-776,789-801,830-860 1hw9 d1hw9c2 C:703-713,752-765,767-776,789-801,830-860 1hwk d1hwkb2 B:703-713,752-765,767-776,789-801,830-860 1dq8 d1dq8c4 C:703-713,752-765,767-776,789-801,830-860 1hwk d1hwkd2 D:703-713,752-765,767-776,789-801,830-860 1hw9 d1hw9a2 A:703-713,752-765,767-776,789-801,830-860 1dq8 d1dq8b4 B:703-713,752-765,767-776,789-801,830-860 1hwk d1hwkc2 C:703-713,752-765,767-776,789-801,830-860 1hw8 d1hw8a2 A:703-713,752-765,767-776,789-801,830-860 1hwj d1hwja2 A:703-713,752-765,767-776,789-801,830-860 1hwi d1hwia2 A:703-713,752-765,767-776,789-801,830-860 1hwl d1hwlb2 B:703-713,752-765,767-776,789-801,830-860 1hwi d1hwib2 B:703-713,752-765,767-776,789-801,830-860 1hwl d1hwld2 D:703-713,752-765,767-776,789-801,830-860 1hwl d1hwlc2 C:703-713,752-765,767-776,789-801,830-860 1hw9 d1hw9b2 B:703-713,752-765,767-776,789-801,830-860 1dq8 d1dq8d4 D:703-713,752-765,767-776,789-801,830-860 1hwj d1hwjc2 C:703-713,752-765,767-776,789-801,830-860 1hwi d1hwic2 C:703-713,752-765,767-776,789-801,830-860 1hw8 d1hw8b2 B:703-713,752-765,767-776,789-801,830-860 1hwj d1hwjb2 B:703-713,752-765,767-776,789-801,830-860 1dqa d1dqac4 C:703-713,752-765,767-776,789-801,830-860 1hwj d1hwjd2 D:703-713,752-765,767-776,789-801,830-860 1hw8 d1hw8c2 C:703-713,752-765,767-776,789-801,830-860 1hwl d1hwla2 A:703-713,752-765,767-776,789-801,830-860 1dqa d1dqaa4 A:703-713,752-765,767-776,789-801,830-860 1dqa d1dqad4 D:703-713,752-765,767-776,789-801,830-860 1hwi d1hwid2 D:703-713,752-765,767-776,789-801,830-860 1hwk d1hwka2 A:703-713,752-765,767-776,789-801,830-861 1t02 d1t02a2 A:221-230,258-271,283-297,313-323,349-374 1r7i d1r7ia2 A:221-230,258-271,283-297,313-323,349-374 1r31 d1r31a2 A:221-230,258-271,283-297,313-323,349-376 1qax d1qaxa2 A:221-230,258-271,283-299,313-323,349-375 1qay d1qaya2 A:221-230,258-271,283-297,313-323,349-375 1t02 d1t02b2 B:221-230,258-271,283-297,313-323,349-375 1qax d1qaxb2 B:721-730,758-771,783-799,813-823,849-875 1r31 d1r31b2 B:721-730,758-771,783-797,813-823,849-875 1r7i d1r7ib2 B:721-730,758-771,783-799,813-823,849-875 1qay d1qayb2 B:721-730,758-771,783-797,813-823,849-876