2PSM

Crystal structure of Interleukin 15 in complex with Interleukin 15 receptor alpha

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, B)	Interleukin-15	polymer	121	13781.4	2	UniProt (P48346) Pfam (PF02372)	Mus musculus (house mouse)	IL-15
2	B, D (F, C)	Interleukin-15 receptor alpha chain	polymer	78	8378.4	2	UniProt (Q60819) Pfam (PF00084)	Mus musculus (house mouse)	IL-15R-alpha, IL- 15RA
3	E (B)	BENZAMIDINE	non-polymer		120.2	1	Chemie (BEN)
4	F, G, H, I (A, F, B, C)	water	water		18.0	91	Chemie (HOH)

Sequence modifications

A, B: 1 - 114 (UniProt: P48346)

PDB	External Database	Details
Gly -6	-	expression tag
Ser -5	-	expression tag
Ser -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Ser -1	-	expression tag
Gly 0	-	expression tag

F, C: 1 - 71 (UniProt: Q60819)

PDB	External Database	Details
Gly -6	-	expression tag
Ser -5	-	expression tag
Ser -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Ser -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	44319.8
Non-Polymers*	Number of molecules	1
	Total formula weight	120.2
All*	Total formula weight	44439.9

*Water molecules are not included.