4QP6

Crystal Structure of ERK2 in complex with 5H-pyrrolo[2,3-b]pyrazine

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)	Mitogen-activated protein kinase 1	polymer	369	42627.8	2	UniProt (P28482) Pfam (PF00069)	Homo sapiens (human)	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	C, E (A, B)	5H-pyrrolo[2,3-b]pyrazine	non-polymer		119.1	2	Chemie (36N)
3	D (A)	IMIDAZOLE	non-polymer		69.1	1	Chemie (IMD)

Sequence modifications

A, B: 1 - 360 (UniProt: P28482)

PDB	External Database	Details
Met -8	-	expression tag
Gly -7	-	expression tag
Ser -6	-	expression tag
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	2
	Total formula weight	85255.7
Non-Polymers*	Number of molecules	3
	Total formula weight	307.3
All*	Total formula weight	85563.0

*Water molecules are not included.