1BIU	Dna Integration	date	Jun 19, 1998
title	Hiv-1 Integrase Core Domain Complexed With Mg++
authors	Y.Goldgur, F.Dyda, A.B.Hickman, T.M.Jenkins, R.Craigie, D.R.Davie
compound		source
Molecule: Hiv-1 Integrase Chain: A, B, C Fragment: Core Domain Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 Expression_system_variant: De3 Expression_system_plasmid: Pet15b
symmetry	Space Group: C 1 2 1	R_factor 0.198 R_Free 0.265
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.220 46.910 140.270 90.00 105.13 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	MG	enzyme
related structures	by homologous chain: 1BI4, 2ITG
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Three new structures of the core domain of HIV-1 integrase: an active site that binds magnesium., Goldgur Y, Dyda F, Hickman AB, Jenkins TM, Craigie R, Davies DR, Proc Natl Acad Sci U S A 1998 Aug 4;95(16):9150-4. PMID:9689049

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (99 Kb) [Save to disk] Biological Unit Coordinates (1biu.pdb1.gz) 63 Kb Biological Unit Coordinates (1biu.pdb2.gz) 65 Kb LPC: Ligand-Protein Contacts for 1BIU CSU: Contacts of Structural Units for 1BIU Likely Quarternary Molecular Structure file(s) for 1BIU Retrieve 1BIU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BIU from S2C, [Save to disk]

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Visual 3D analysis of 1BIU

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1BIU, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1biua_, region A [Jmol] [rasmolscript] [script source]     - Domain d1biub_, region B [Jmol] [rasmolscript] [script source]     - Domain d1biuc_, region C [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1biu] [1biu_B] [1biu_C] [1biu_A] SWISS-PROT database: [P12497] Domain organization of [POL_HV1N5] by SWISSPFAM

Other resources with information on 1BIU

Community annotation for 1BIU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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