Entry Database : PDB / ID : 4imy Structure visualization Downloads & linksTitle The AFF4 scaffold binds human P-TEFb adjacent to HIV Tat ComponentsAF4/FMR2 family member 4 Cyclin-T1 Cyclin-dependent kinase 9 DetailsKeywords TRANSFERASE / Transcriptional CDK9-CycT1 complex / phosphorylated / intrinsically disordered AFF4 / regulation of transcription elongation / Ser/Thr kinase / phosphorylation of PolII-CTD / DSIF / and NELF / HIV-1 Tat / Host-virus interaction / phosphoprotein / nucleusFunction / homology Function and homology informationFunction Domain/homology Component
super elongation complex / P-TEFb complex / Interactions of Tat with host cellular proteins / nucleus localization / 7SK snRNA binding / cyclin/CDK positive transcription elongation factor complex / regulation of muscle cell differentiation / positive regulation of protein localization to chromatin / regulation of mRNA 3'-end processing / RNA polymerase II CTD heptapeptide repeat Y1 kinase activity ... super elongation complex / P-TEFb complex / Interactions of Tat with host cellular proteins / nucleus localization / 7SK snRNA binding / cyclin/CDK positive transcription elongation factor complex / regulation of muscle cell differentiation / positive regulation of protein localization to chromatin / regulation of mRNA 3'-end processing / RNA polymerase II CTD heptapeptide repeat Y1 kinase activity / RNA polymerase II CTD heptapeptide repeat S2 kinase activity / RNA polymerase II CTD heptapeptide repeat T4 kinase activity / RNA polymerase II CTD heptapeptide repeat S5 kinase activity / RNA polymerase II CTD heptapeptide repeat S7 kinase activity / transcription elongation factor activity / cyclin-dependent protein serine/threonine kinase activator activity / positive regulation by host of viral transcription / positive regulation of DNA-templated transcription, elongation / RNA polymerase binding / [RNA-polymerase]-subunit kinase / negative regulation of protein localization to chromatin / regulation of cyclin-dependent protein serine/threonine kinase activity / transcription elongation-coupled chromatin remodeling / cellular response to cytokine stimulus / spermatid development / replication fork processing / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / RNA polymerase II transcribes snRNA genes / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / cyclin-dependent kinase / Tat-mediated elongation of the HIV-1 transcript / cyclin-dependent protein serine/threonine kinase activity / Formation of HIV-1 elongation complex containing HIV-1 Tat / regulation of DNA repair / Formation of HIV elongation complex in the absence of HIV Tat / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / RNA Polymerase II Pre-transcription Events / RNA polymerase II CTD heptapeptide repeat kinase activity / response to endoplasmic reticulum stress / transcription elongation factor complex / positive regulation of transcription elongation by RNA polymerase II / transcription initiation at RNA polymerase II promoter / TP53 Regulates Transcription of DNA Repair Genes / transcription elongation by RNA polymerase II / SMAD2/SMAD3:SMAD4 heterotrimer regulates transcription / molecular condensate scaffold activity / euchromatin / transcription coactivator binding / PML body / cytoplasmic ribonucleoprotein granule / fibrillar center / kinase activity / regulation of gene expression / DNA-binding transcription factor binding / Estrogen-dependent gene expression / transcription by RNA polymerase II / cell population proliferation / protein kinase activity / transcription cis-regulatory region binding / regulation of cell cycle / nuclear body / protein phosphorylation / RNA polymerase II cis-regulatory region sequence-specific DNA binding / response to xenobiotic stimulus / cell division / protein serine kinase activity / DNA repair / protein serine/threonine kinase activity / chromatin binding / protein kinase binding / positive regulation of transcription by RNA polymerase II / DNA binding / nucleoplasm / ATP binding / nucleus / membrane / cytosol Similarity search - Function Single alpha-helices involved in coiled-coils or other helix-helix interfaces - #2670 / AF4/FMR2 family / AF4 interaction motif / AF4/FMR2, C-terminal homology domain / AF-4 proto-oncoprotein N-terminal region / AF4 interaction motif / AFF4, C-terminal homology domain / : / Cyclin-T2-like, C-terminal domain / Cyclin/Cyclin-like subunit Ssn8 ... Single alpha-helices involved in coiled-coils or other helix-helix interfaces - #2670 / AF4/FMR2 family / AF4 interaction motif / AF4/FMR2, C-terminal homology domain / AF-4 proto-oncoprotein N-terminal region / AF4 interaction motif / AFF4, C-terminal homology domain / : / Cyclin-T2-like, C-terminal domain / Cyclin/Cyclin-like subunit Ssn8 / Cyclin-like / Cyclin A; domain 1 / Cyclin, N-terminal / Cyclin, N-terminal domain / Single alpha-helices involved in coiled-coils or other helix-helix interfaces / Cyclin-like / domain present in cyclins, TFIIB and Retinoblastoma / Cyclin-like superfamily / : / Helix non-globular / Special / Phosphorylase Kinase; domain 1 / Phosphorylase Kinase; domain 1 / Transferase(Phosphotransferase) domain 1 / Transferase(Phosphotransferase); domain 1 / Serine/threonine-protein kinase, active site / Serine/Threonine protein kinases active-site signature. / Protein kinase domain / Serine/Threonine protein kinases, catalytic domain / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / 2-Layer Sandwich / Orthogonal Bundle / Mainly Alpha / Alpha Beta Similarity search - Domain/homologyBiological species Homo sapiens (human)Method X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution : 2.94 Å DetailsAuthors Alber, T. / Schulze-Gahmen, U. CitationJournal : Elife / Year : 2013Title : The AFF4 scaffold binds human P-TEFb adjacent to HIV Tat.Authors : Schulze-Gahmen, U. / Upton, H. / Birnberg, A. / Bao, K. / Chou, S. / Krogan, N.J. / Zhou, Q. / Alber, T. History Deposition Jan 3, 2013 Deposition site : RCSB / Processing site : RCSBRevision 1.0 Mar 13, 2013 Provider : repository / Type : Initial releaseRevision 1.1 Apr 3, 2013 Group : Database referencesRevision 1.2 Sep 20, 2023 Group : Data collection / Database references ... Data collection / Database references / Derived calculations / Refinement description Category : chem_comp_atom / chem_comp_bond ... chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn / struct_ref_seq_dif / struct_site Item : _database_2.pdbx_DOI / _database_2.pdbx_database_accession ... _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id Revision 1.3 Nov 20, 2024 Group : Structure summary / Category : pdbx_entry_details / pdbx_modification_feature
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