5UTZ

Human IL-2/Fab complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D, G, J (H, B, F, J)	Fab 5111 heavy chain	polymer	224	23764.6	4	UniProt (Q6GMX6) Pfam (PF07686) Pfam (PF07654)	Homo sapiens (Human)
2	B, E, H, K (L, C, G, K)	Fab 5111 light chain	polymer	216	23110.3	4	UniProt (Q6IPQ0) Pfam (PF07686) Pfam (PF07654)	Homo sapiens (Human)
3	C, F, I, L (D, A, E, I)	Interleukin-2	polymer	133	15436.0	4	UniProt (P60568) Pfam (PF00715)	Homo sapiens (Human)	IL-2, T-cell growth factor, TCGF
4	M, N, O, P, Q (L, B, C, G, J)	GLYCEROL	non-polymer		92.1	5	Chemie (GOL)
5	AA, BA, CA, R, S... (J, K, I, H, L...)	water	water		18.0	309	Chemie (HOH)

Sequence modifications

H, B, F, J: 1 - 113 (PDB: 5UTZ)
H, B, F, J: 114 - 224 (UniProt: Q6GMX6)
L, C, G, K: 1 - 98 (PDB: 5UTZ)
L, C, G, K: 99 - 216 (UniProt: Q6IPQ0)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	249243.5
Non-Polymers*	Number of molecules	5
	Total formula weight	460.5
All*	Total formula weight	249704.0

*Water molecules are not included.