1HEF	Hydrolase Hydrolase Inhibitor	date	Sep 21, 1992
title	The Crystal Structures At 2.2 Angstroms Resolution Of Hydrox Based Inhibitors Bound To Human Immunodeficiency Virus Type Protease Show That The Inhibitors Are Present In Two Distin Orientations
authors	K.Murthy, E.L.Winborne, M.D.Minnich, J.S.Culp, C.Debouck
compound		source
Molecule: Hiv-1 Protease Chain: E Engineered: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Skf 108738 Peptide Inhibitor Chain: I Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 61 2 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.070 63.070 83.520 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	PJJ, VME	enzyme
related structures	by homologous chain: 1AID, 1HIH
Gene Ontology	Chain Function Process Component E
Primary reference	The crystal structures at 2.2-A resolution of hydroxyethylene-based inhibitors bound to human immunodeficiency virus type 1 protease show that the inhibitors are present in two distinct orientations., Murthy KH, Winborne EL, Minnich MD, Culp JS, Debouck C, J Biol Chem 1992 Nov 15;267(32):22770-8. PMID:1429626

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (22 Kb) [Save to disk] Biological Unit Coordinates (1hef.pdb1.gz) 33 Kb LPC: Ligand-Protein Contacts for 1HEF CSU: Contacts of Structural Units for 1HEF Likely Quarternary Molecular Structure file(s) for 1HEF Retrieve 1HEF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HEF from S2C, [Save to disk]

View 1HEF 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 1HEF

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HEF, from MSDmotif at EBI Genome occurence of 1HEF's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hefe_, region E [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: [1hef_I] [1hef_E] [1hef] SWISS-PROT database: [P03366] Domain organization of [POL_HV1B1] by SWISSPFAM

Other resources with information on 1HEF

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

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