1PSB

Solution structure of calcium loaded S100B complexed to a peptide from N-Terminal regulatory domain of NDR kinase.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	S-100 protein, beta chain	polymer	91	10550.8	2	UniProt (P02638) Pfam (PF01023) Pfam (PF00036) In PDB	Bos taurus (cattle)
2	C, D	Ndr Ser/Thr kinase-like protein	polymer	26	3232.9	2	UniProt (Q15208) In PDB

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	27567.3
All*	Total formula weight	27567.3

*Water molecules are not included.