4S31

Crystal structure of mitogen-activated protein kinase 1 wtERK2 at 1.45A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Mitogen-activated protein kinase 1	polymer	358	41330.6	1	UniProt (P63086) Pfam (PF00069) In PDB	Rattus norvegicus (brown rat rat rats)	MAP kinase 1, MAPK 1, ERT1, Extracellular signal-regulated kinase 2, ERK-2, MAP kinase isoform p42, p42-MAPK, Mitogen-activated protein kinase 2, MAP kinase 2, MAPK 2
2		water	water		18.0	210	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	41330.6
All*	Total formula weight	41330.6

*Water molecules are not included.