2B4J	Viral Protein, Recombination	date	Sep 24, 2005
title	Structural Basis For The Recognition Between Hiv-1 Integrase Ledgfp75
authors	P.Cherepanov, A.L.Ambrosio, S.Rahman, T.Ellenberger, A.Engelman
compound		source
Molecule: Integrase (In) Chain: A, B Fragment: Hiv-1 Integrase Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Gene: Pol Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
Molecule: Pc4 And Sfrs1 Interacting Protein Chain: C, D Fragment: Ledgf Synonym: Lens Epithelium-Derived Growth Factor, Transcripti Coactivator P75p52, Dense Fine Speckles 70 Kda Protein, Df Associated Antigen Kw-7; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Psip1, Ledgf Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcpgst75-81
symmetry	Space Group: C 1 2 1	R_factor 0.181 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 122.421 60.593 71.126 90.00 109.06 90.00
method	X-Ray Diffraction	resolution	2.02 Å
ligand	GOL, PO4	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis for the recognition between HIV-1 integrase and transcriptional coactivator p75., Cherepanov P, Ambrosio AL, Rahman S, Ellenberger T, Engelman A, Proc Natl Acad Sci U S A. 2005 Nov 29;102(48):17308-13. Epub 2005 Oct 31. PMID:16260736

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk] Biological Unit Coordinates (2b4j.pdb1.gz) 74 Kb Biological Unit Coordinates (2b4j.pdb2.gz) 146 Kb LPC: Ligand-Protein Contacts for 2B4J CSU: Contacts of Structural Units for 2B4J Likely Quarternary Molecular Structure file(s) for 2B4J Structure Factors (243 Kb) Retrieve 2B4J in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2B4J from S2C, [Save to disk] Re-refined 2b4j structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2B4J in 3D

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Visual 3D analysis of 2B4J

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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 2B4J, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2b4j_C] [2b4j_A] [2b4j] [2b4j_D] [2b4j_B] SWISS-PROT database: [P12497] [O75475] Domain organization of [POL_HV1N5] [PSIP1_HUMAN] by SWISSPFAM

Other resources with information on 2B4J

Community annotation for 2B4J at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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