3MI9	Protein Binding	date	Apr 09, 2010
title	Crystal Structure Of Hiv-1 Tat Complexed With Human P-Tefb
authors	T.H.Tahirov, N.D.Babayeva, K.Varzavand, J.J.Cooper, S.C.Sedore, D
compound		source
Molecule: Cell Division Protein Kinase 9 Chain: A Fragment: Unp Residues 1-345, Protein Kinase Domain Synonym: Cyclin-Dependent Kinase 9, Serinethreonine-Protei Pitalre, Cell Division Cycle 2-Like Protein Kinase 4, C-2k; Ec: 2.7.11.22, 2.7.11.23 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cdc2l4, Cdk9 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_strain: Sf9 Expression_system_cell_line: Bl21 Insect Cells Expression_system_vector_type: Baculo Virus Expression_system_plasmid: Pentrsdd-Topo Vector (Invitrog K2420);
Molecule: Cyclin-T1 Chain: B Fragment: Unp Residues 1-266 Synonym: Cyclin-T, Cyct1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ccnt1, Cyclin T1 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_strain: Sf9 Expression_system_cell_line: Bl21 Insect Cells Expression_system_vector_type: Baculo Virus Expression_system_plasmid: Pentrsdd-Topo Vector (Invitrog K2420);
Molecule: Protein Tat Chain: C Synonym: Transactivating Regulatory Protein Engineered: Yes		Organism_scientific: Human Immunodeficiency Virus Type 1 Organism_common: Hiv-1 Organism_taxid: 11706 Strain: Isolate Hxb2 Group M Subtype B Gene: Tat Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_strain: Sf9 Expression_system_cell_line: Bl21 Insect Cells Expression_system_vector_type: Baculo Virus Expression_system_plasmid: Pentrsdd-Topo Vector (Invitrog
symmetry	Space Group: P 32 2 1	R_factor 0.219 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 132.306 132.306 95.358 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	TPO, ZN	enzyme	Transferase E.C.2.7.11.22 BRENDA
note	3MI9 is a representative structure
Gene Ontology	Chain Function Process Component A B C positive regulation of viral...
Primary reference	Crystal structure of HIV-1 Tat complexed with human P-TEFb., Tahirov TH, Babayeva ND, Varzavand K, Cooper JJ, Sedore SC, Price DH, Nature. 2010 Jun 10;465(7299):747-51. PMID:20535204

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (113 Kb) [Save to disk] Biological Unit Coordinates (3mi9.pdb1.gz) 107 Kb LPC: Ligand-Protein Contacts for 3MI9 CSU: Contacts of Structural Units for 3MI9 Structure Factors (654 Kb) Retrieve 3MI9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3MI9 from S2C, [Save to disk] Re-refined 3mi9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3MI9 in 3D

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Visual 3D analysis of 3MI9

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3MI9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3mi9_A] [3mi9_B] [3mi9] [3mi9_C] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3MI9: [CYCLIN] [S_TKc ] by SMART

Other resources with information on 3MI9

Community annotation for 3MI9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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