1HPX	Hydrolase Hydrolase Inhibitor	date	May 18, 1995
title	Hiv-1 Protease Complexed With The Inhibitor Kni-272
authors	T.N.Bhat, J.W.Erickson
compound		source
Molecule: Hiv-1 Protease Chain: A, B Engineered: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Strain: Hivlai Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.170 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.900 59.100 62.300 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	KNI	enzyme
related structures	by homologous chain: 1A8K, 1HIV
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of HIV-1 protease with KNI-272, a tight-binding transition-state analog containing allophenylnorstatine., Baldwin ET, Bhat TN, Gulnik S, Liu B, Topol IA, Kiso Y, Mimoto T, Mitsuya H, Erickson JW, Structure 1995 Jun 15;3(6):581-90. PMID:8590019

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (1hpx.pdb1.gz) 33 Kb LPC: Ligand-Protein Contacts for 1HPX CSU: Contacts of Structural Units for 1HPX Likely Quarternary Molecular Structure file(s) for 1HPX Retrieve 1HPX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HPX from S2C, [Save to disk]

View 1HPX 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 1HPX

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HPX, from MSDmotif at EBI Genome occurence of 1HPX's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hpxa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1hpxb_, region B [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: [1hpx] [1hpx_B] [1hpx_A] SWISS-PROT database: [P03367] Domain organization of [POL_HV1BR] by SWISSPFAM

Other resources with information on 1HPX

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

Movements, Movies and Images

Domain movements in 1HPX from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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