1XL5	Hydrolase	date	Sep 30, 2004
title	Hiv-1 Protease In Complex With Amidhyroxysulfone
authors	J.Boettcher, E.Specker, A.Heine, G.Klebe
compound		source
Molecule: Protease Retropepsin Chain: A, B Synonym: Hiv-1 Protease Ec: 3.4.23.16 Engineered: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Gene: Gag-Pol Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: P566
symmetry	Space Group: P 21 21 2	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.900 85.800 46.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.73 Å
ligand	190, CL BindingDB	enzyme	Hydrolase E.C.3.4.23.16 BRENDA
related structures	by homologous chain: 1K2B, 1MTR
Gene Ontology	Chain Function Process Component A, B
Primary reference	An old target revisited: two new privileged skeletons and an unexpected binding mode for HIV-protease inhibitors., Specker E, Bottcher J, Lilie H, Heine A, Schoop A, Muller G, Griebenow N, Klebe G, Angew Chem Int Ed Engl 2005 May 13;44(20):3140-4. PMID:15822136

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (1xl5.pdb1.gz) 36 Kb LPC: Ligand-Protein Contacts for 1XL5 CSU: Contacts of Structural Units for 1XL5 Likely Quarternary Molecular Structure file(s) for 1XL5 Structure Factors (203 Kb) Retrieve 1XL5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XL5 from S2C, [Save to disk] Re-refined 1xl5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XL5 in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1XL5

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 1XL5, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xl5_B] [1xl5] [1xl5_A] SWISS-PROT database: [P03367] Domain organization of [POL_HV1BR] by SWISSPFAM

Other resources with information on 1XL5

Community annotation for 1XL5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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