PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
1tt5	AMYLOID PROTEIN-BINDING PROTEIN 1 UBIQUITIN-ACTIVATING ENZYME E1C ISOFORM 1 Homo sapiens	E2_bind ThiF ThiF	GLU A  44 LYS A  47 GLU B  62 LYS B  65	None	heteromer asymmetric	15361859
1y8q	UBIQUITIN-LIKE 1 ACTIVATING ENZYME E1A UBIQUITIN-LIKE 2 ACTIVATING ENZYME E1B Homo sapiens	ThiF ThiF UAE_UbL UBA2_C	GLU A  50 LYS A  53 GLU B  31 LYS B  34	None	heteromer asymmetric	15660128
2nvu	MALTOSE BINDING PROTEIN/NEDD8-ACTIVATING ENZYME E1 CATALYTIC SUBUNIT CHIMERA NEDD8-ACTIVATING ENZYME E1 REGULATORY SUBUNIT Homo sapiens	E2_bind SBP_bac_8 ThiF ThiF	GLU A  44 LYS A  47 GLU B2062 LYS B2065	None	heteromer asymmetric	17220875
3gzn	NEDD8-ACTIVATING ENZYME E1 CATALYTIC SUBUNIT NEDD8-ACTIVATING ENZYME E1 REGULATORY SUBUNIT Homo sapiens	E2_bind ThiF ThiF	GLU A  51 LYS A  54 GLU B  83 LYS B  86	None	heteromer asymmetric	20129059
4p22	UBIQUITIN-LIKE MODIFIER-ACTIVATING ENZYME 1 Homo sapiens	ThiF	GLU A  86 LYS A  89 GLU B  86 LYS B  89	None	homomer cyclic	25209502
5buv	PUTATIVE EPIMERASE Yersinia enterocolitica	dTDP_sugar_isom	GLU A  49 LYS A 134 GLU C  49 LYS C 134	None	homomer cyclic	26174084