1. d.3.1 Cysteine proteinases the constitute families differ by insertion into and circular permutation of the common catalytic core made of one alpha-helix and 3-strands of beta-sheet !
Cysteine proteinases consists of one alpha-helix and 4 strands of antiparallel beta-sheet and contains the catalytic triad Cys-His-Asn
1xd3 d1xd3c_ C:12-24,48-58,93-108,141-155,222-230
1xd3 d1xd3a_ A:12-24,48-58,93-108,141-155,222-229
2etl d2etlb1 B:9-21,45-55,89-103,136-151,214-221
2etl d2etla1 A:9-21,45-55,89-103,136-151,214-222
1cmx d1cmxa_ A:14-26,52-61,89-103,131-146,226-234
1cmx d1cmxc_ C:414-426,452-460,489-503,531-546,626-634
2. c.66.1 S-adenosyl-L-methionine-dependent methyltransferases
S-adenosyl-L-methionine-dependent methyltransferases core: 3 layers, a/b/a; mixed beta-sheet of 7 strands, order 3214576; strand 7 is antiparallel to the rest
1rjg d1rjga_ A:71-97,279-285,285-295,295-307,321-330
List of motif hits that are not present in SCOP but are found in PDB for pattern ID: 1055 (enumeration index: query533) of S5
3i2m X:19-27,164-169,169-184,248-261,264-272
3kvf A:9-21,45-55,89-103,136-151,214-222
3sqa A:14-26,48-57,84-101,133-145,217-226
3sqa B:14-26,48-57,84-101,133-145,217-226
3rii B:14-26,48-57,84-100,133-144,217-226
3rii A:14-26,48-57,84-100,133-144,217-226
3ris C:14-26,48-57,84-101,133-150,217-226
3ris A:14-26,48-57,87-100,133-151,217-226
3ris B:14-26,48-57,87-100,133-151,217-226
3ris D:14-26,48-57,84-101,133-151,217-226
3ifw A:9-21,45-55,89-103,136-151,214-222
3irt B:9-21,45-55,89-103,136-150,214-222
3irt A:9-21,45-55,89-103,136-150,214-222
2we6 A:13-25,49-58,88-105,138-149,218-226
2we6 B:13-25,49-58,91-105,138-149,218-226
3kw5 A:9-21,45-55,89-103,136-151,214-222
3ihr A:14-26,48-58,87-100,133-144,218-226
3g5t A:158-171,230-235,235-246,263-277,284-299
3a7s A:14-26,48-57,84-100,133-145,217-226
2wdt C:13-25,49-58,91-105,138-149,218-226
2wdt A:13-25,49-58,88-105,138-150,218-226