1K2H

Three-dimensional Solution Structure of apo-S100A1.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	S-100 protein, alpha chain	polymer	93	10439.6	2	UniProt (P35467) Pfam (PF01023) Pfam (PF00036)	Rattus norvegicus (Norway rat)	S100A1

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	20879.2
All*	Total formula weight	20879.2

*Water molecules are not included.