1VYO

Crystal structure of avidin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	AVIDIN	polymer	128	14361.1	2	UniProt (P02701) Pfam (PF01382) In PDB	GALLUS GALLUS (CHICKEN)
2	A, B	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
3		water	water		18.0	149	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28722.3
Non-Polymers*	Number of molecules	6
	Total formula weight	552.6
All*	Total formula weight	29274.9

*Water molecules are not included.