2HB2	Hydrolase	date	Jun 13, 2006
title	Structure Of Hiv Protease 6x Mutant In Apo Form
authors	H.Heaslet, K.Tam, J.H.Elder, C.D.Stout
compound		source
Molecule: Protease Chain: A Fragment: Residues 500-598 Ec: 3.4.23.16 Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Strain: Nl4-3 Gene: Gal-Pol Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21.De3, Plys S Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet 21a+
symmetry	Space Group: P 41 21 2	R_factor 0.234 R_Free 0.291
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.671 49.671 109.613 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand		enzyme	Hydrolase E.C.3.4.23.16 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Conformational flexibility in the flap domains of ligand-free HIV protease., Heaslet H, Rosenfeld R, Giffin M, Lin YC, Tam K, Torbett BE, Elder JH, McRee DE, Stout CD, Acta Crystallogr D Biol Crystallogr. 2007 Aug;63(Pt 8):866-75. Epub 2007, Jul 17. PMID:17642513

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (21 Kb) [Save to disk] Biological Unit Coordinates (2hb2.pdb1.gz) 32 Kb CSU: Contacts of Structural Units for 2HB2 Likely Quarternary Molecular Structure file(s) for 2HB2 Structure Factors (51 Kb) Retrieve 2HB2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HB2 from S2C, [Save to disk] Re-refined 2hb2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HB2 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 2HB2

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 2HB2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hb2_A] [2hb2] SWISS-PROT database: [P03367] Domain organization of [POL_HV1BR] by SWISSPFAM

Other resources with information on 2HB2

Community annotation for 2HB2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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