2G4N

Anomalous substructure of alpha-lactalbumin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	Alpha-lactalbumin	polymer	123	14202.0	6	UniProt (P00711) Pfam (PF00062)	Bos taurus (cattle)	Lactose synthase B protein, Allergen Bos d 4
2	G, I, K, L, M... (A, B, C, D, E...)	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
3	H, J (A, B)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
4	O, P, Q, R, S... (A, B, C, D, E...)	water	water		18.0	74	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	85212.3
Non-Polymers*	Number of molecules	8
	Total formula weight	318.7
All*	Total formula weight	85531.0

*Water molecules are not included.