4GSB

Monoclinic crystal form of the apo-ERK2

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	364	42251.5	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	A	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	A	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
5		water	water		18.0	271	Chemie (HOH)

Sequence modifications

A: 1 - 358 (UniProt: P63086)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	42251.5
Non-Polymers*	Number of molecules	8
	Total formula weight	798.8
All*	Total formula weight	43050.3

*Water molecules are not included.