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4XP2

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 1polymer35140925.11UniProt (P63086)
Pfam (PF00069)
Rattus norvegicus (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)
1-phenyl-1H-1,2,4-triazole-3,5-diaminenon-polymer175.21Chemie (TT4)
3C, D
(A)
DIMETHYL SULFOXIDEnon-polymer78.12Chemie (DMS)
4E, F
(A)
SULFATE IONnon-polymer96.12Chemie (SO4)
5G
(A)
waterwater18.0273Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight40925.1
Non-Polymers*Number of molecules5
Total formula weight523.6
All*Total formula weight41448.7
*Water molecules are not included.

244693

PDB entries from 2025-11-12

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