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2PK2

Cyclin box structure of the P-TEFb subunit Cyclin T1 derived from a fusion complex with EIAV Tat

Functional Information from GO Data
ChainGOidnamespacecontents
A0006357biological_processregulation of transcription by RNA polymerase II
A0016538molecular_functioncyclin-dependent protein serine/threonine kinase regulator activity
B0006357biological_processregulation of transcription by RNA polymerase II
B0016538molecular_functioncyclin-dependent protein serine/threonine kinase regulator activity
C0006357biological_processregulation of transcription by RNA polymerase II
C0016538molecular_functioncyclin-dependent protein serine/threonine kinase regulator activity
D0006357biological_processregulation of transcription by RNA polymerase II
D0016538molecular_functioncyclin-dependent protein serine/threonine kinase regulator activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsSite: {"description":"Essential for interacting with HIV-1 Tat"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19369195","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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