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4XP0

Crystal structure of ERK2 in complex with an inhibitor

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Mitogen-activated protein kinase 1polymer35141077.41UniProt (P63086)
Pfam (PF00069)
Rattus norvegicus (norway Rat)MAPK 1,ERT1,Extracellular signal-regulated kinase 2,ERK-2,MAP kinase isoform p42,p42-MAPK,Mitogen-activated protein kinase 2,MAPK 2
2B
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
3C, D
(A)
DIMETHYL SULFOXIDEnon-polymer78.12Chemie (DMS)
4E
(A)
1H-pyrrolo[2,3-b]pyridine-3-carbonitrilenon-polymer143.11Chemie (42A)
5F
(A)
waterwater18.0356Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight41077.4
Non-Polymers*Number of molecules4
Total formula weight395.5
All*Total formula weight41472.8
*Water molecules are not included.

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PDB entries from 2025-10-08

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