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 ALA A 495 GLU B  62 ALA B 297	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 ALA A 304 GLU B  31 ALA B 392	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 ALA A 495 GLU B2062 ALA B2297	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 ALA A 502 GLU B  83 ALA B 318	None	heteromer asymmetric	20129059
4p22	UBIQUITIN-LIKE MODIFIER-ACTIVATING ENZYME 1 Homo sapiens	ThiF	GLU A  86 ALA A 399 GLU B  86 ALA B 399	None	homomer cyclic	25209502