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3QHR

Structure of a pCDK2/CyclinA transition-state mimic

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Cell division protein kinase 2polymer29833981.32UniProt (P24941)
Pfam (PF00069)
Homo sapiens (human)p33 protein kinase
2B, D
(B, D)
Cyclin-A2polymer26129836.42UniProt (P51943)
Pfam (PF00134)
Pfam (PF02984)
Mus musculus (mouse)Cyclin-A
3E, F, G, H
(J, K, L, M)
CDK2 substrate peptide: PKTPKKAKKLpolymer101143.54
4I, W
(A, C)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.22Chemie (ADP)
5J, K, X, Y
(A, C)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
6L, Z
(A, C)
TRIFLUOROMAGNESATEnon-polymer81.32Chemie (MGF)
7AA, M
(C, A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
8BA, CA, DA, EA, FA...
(C, D, K, A, B)
GLYCEROLnon-polymer92.117Chemie (GOL)
9JA, KA, LA, MA, NA...
(A, B, C, D, J...)
waterwater18.0601Chemie (HOH)
Sequence modifications
A, C: 1 - 296 (UniProt: P24941)
PDBExternal DatabaseDetails
Gly -1-expression tag
His 0-expression tag
B, D: 173 - 432 (UniProt: P51943)
PDBExternal DatabaseDetails
Ser 172-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight132209.3
Non-Polymers*Number of molecules27
Total formula weight2750.7
All*Total formula weight134960.0
*Water molecules are not included.

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PDB entries from 2025-06-11

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