2D4I

Monoclinic hen egg-white lysozyme crystallized at pH4.5 form heavy water solution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Lysozyme C	polymer	129	14331.2	2	UniProt (P00698) Pfam (PF00062) In PDB	Gallus gallus (chicken)	1,4-beta-N-acetylmuramidase C, Allergen Gal d 4, Gal d IV
2	A, B	NITRATE ION	non-polymer		62.0	5	Chemie (NO3)
3	B	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4		water	water		18.0	234	Chemie (DOD)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28662.3
Non-Polymers*	Number of molecules	6
	Total formula weight	333.0
All*	Total formula weight	28995.3

*Water molecules are not included.