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4EC8

Structure of full length CDK9 in complex with cyclinT and DRB

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Cyclin-dependent kinase 9polymer37342940.41UniProt (P50750)
Pfam (PF00069)
Homo sapiens (human)C-2K, Cell division cycle 2-like protein kinase 4, Cell division protein kinase 9, Serine/threonine-protein kinase PITALRE, Tat-associated kinase complex catalytic subunit
2B
(B)
Cyclin-T1polymer26030119.41UniProt (O60563)
Pfam (PF00134)
Pfam (PF21797)
Homo sapiens (human)CycT1, Cyclin-T
Sequence modifications
A: 2 - 372 (UniProt: P50750)
PDBExternal DatabaseDetails
Gly 0-expression tag
Pro 1-expression tag
B: 2 - 259 (UniProt: O60563)
PDBExternal DatabaseDetails
Gly 0-expression tag
Pro 1-expression tag
Arg 77Gln 77engineered mutation
Gly 96Glu 96engineered mutation
Leu 241Phe 241engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight73059.9
All*Total formula weight73059.9
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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