7OX5

hIL-9:hIL-9Ra complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I...	Interleukin-9 receptor	polymer	226	25430.6	8	UniProt (Q01113) In PDB	Homo sapiens (Human)	IL-9 receptor,IL-9R
2	B, D, F, H, J...	Interleukin-9	polymer	130	14551.0	8	UniProt (P15248) In PDB	Homo sapiens (Human)	IL-9,Cytokine P40,T-cell growth factor P40
3	A, B, D, F, G...	SULFATE ION	non-polymer		96.1	10	Chemie (SO4)
4		water	water		18.0	6	Chemie (HOH)

Sequence modifications

A, C, E, G, I, K, M, O: 40 - 261 (UniProt: Q01113)

PDB	External Database	Details
Gly 36	-	expression tag
Ser 37	-	expression tag
His 38	-	expression tag
Met 39	-	expression tag

B, D, F, H, J, L, N, P: 19 - 144 (UniProt: P15248)

PDB	External Database	Details
Gly 15	-	expression tag
Ser 16	-	expression tag
His 17	-	expression tag
Met 18	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	319852.8
Non-Polymers*	Number of molecules	10
	Total formula weight	960.6
All*	Total formula weight	320813.4

*Water molecules are not included.