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5AX3

Crystal structure of ERK2 complexed with allosteric and ATP-competitive inhibitors.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Mitogen-activated protein kinase 1polymer36842231.41UniProt (P28482)
Pfam (PF00069)
Homo sapiens (Human)MAPK 1,ERT1,Extracellular signal-regulated kinase 2,ERK-2,MAP kinase isoform p42,p42-MAPK,Mitogen-activated protein kinase 2,MAPK 2
2B
(B)
allosteric and ATP-competitive inhibitorpolymer121491.81UniProt (by SIFTS) (P40763)Homo sapiens
3C
(A)
(2R,3R,4S,5R)-2-(4-AMINO-5-IODO-7H-PYRROLO[2,3-D]PYRIMIDIN-7-YL)-5-(HYDROXYMETHYL)TETRAHYDROFURAN-3,4-DIOLnon-polymer392.11Chemie (5ID)
PubChem (16760523)
PubChem (1830)
PubChem (97297)
PubChem (23919584)
PubChem (25880707)
PubChem (26248662)
PubChem (35028380)
PubChem (46875276)
PubChem (51386958)
PubChem (51537014)
PubChem (45039587)
PubChem (59583554)
PubChem (59583625)
PubChem (6419781)
PubChem (9886793)
PubChem (14221929)
PubChem (134695308)
Sequence modifications
A: -8 - 350 (UniProt: P28482)
PDBExternal DatabaseDetails
Gly -16-expression tag
Asp -15-expression tag
Leu -14-expression tag
Gly -13-expression tag
Ser -12-expression tag
Asp -11-expression tag
Glu -10-expression tag
Leu -9-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight43723.3
Non-Polymers*Number of molecules1
Total formula weight392.1
All*Total formula weight44115.4
*Water molecules are not included.

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PDB entries from 2026-04-01

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