4ZF7

Crystal structure of ferret interleukin-2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Interleukin 2	polymer	138	16077.4	2	UniProt (A3FBE6) Pfam (PF00715) In PDB	Mustela putorius furo (European domestic ferret)	Uncharacterized protein
2	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	A	TETRAETHYLENE GLYCOL	non-polymer		194.2	2	Chemie (PG4)
4	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
5	B	PENTAETHYLENE GLYCOL	non-polymer		238.3	1	Chemie (1PE)
6		water	water		18.0	252	Chemie (HOH)

Sequence modifications

A, B: 1 - 132 (UniProt: A3FBE6)

PDB	External Database	Details
His 133	-	expression tag
His 134	-	expression tag
His 135	-	expression tag
His 136	-	expression tag
His 137	-	expression tag
His 138	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	32154.9
Non-Polymers*	Number of molecules	6
	Total formula weight	925.0
All*	Total formula weight	33079.8

*Water molecules are not included.