6CWZ

Crystal structure of apo SUMO E1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C	SUMO-activating enzyme subunit 1	polymer	346	38499.8	1	UniProt (Q9UBE0) Pfam (PF00899) In PDB	Homo sapiens (Human)	Ubiquitin-like 1-activating enzyme E1A
2	D	SUMO-activating enzyme subunit 2	polymer	660	73485.9	1	UniProt (Q9UBT2) Pfam (PF00899) Pfam (PF14732) Pfam (PF16195) In PDB	Homo sapiens (Human)	Anthracycline-associated resistance ARX,Ubiquitin-like 1-activating enzyme E1B,Ubiquitin-like modifier-activating enzyme 2
3	D	ZINC ION	non-polymer		65.4	1	Chemie (ZN)

Sequence modifications

D: 1 - 640 (UniProt: Q9UBT2)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	111985.7
Non-Polymers*	Number of molecules	1
	Total formula weight	65.4
All*	Total formula weight	112051.1

*Water molecules are not included.