3PHV	Hydrolase	date	Nov 04, 1991
title	X-Ray Analysis Of Hiv-1 Proteinase At 2.7 Angstroms Resoluti Confirms Structural Homology Among Retroviral Enzymes
authors	R.Lapatto, T.L.Blundell, A.Hemmings, A.Wilderspin, S.P.Wood, D.E. K.F.Geoghegan, S.J.Hawrylik, P.M.Hobart
compound		source
Molecule: Unliganded Hiv-1 Protease Chain: A Engineered: Yes		Organism_scientific: Hiv-1 M:B_hxb2r Organism_taxid: 11706 Cell_line: S2 Organ: Leaves Gene: Pol Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_gene: Pol
symmetry	Space Group: P 41 21 2	R_factor 0.191 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.240 50.240 107.120 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
related structures	by homologous chain: 1HHP, 1RV7
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray analysis of HIV-1 proteinase at 2.7 A resolution confirms structural homology among retroviral enzymes., Lapatto R, Blundell T, Hemmings A, Overington J, Wilderspin A, Wood S, Merson JR, Whittle PJ, Danley DE, Geoghegan KF, et al., Nature 1989 Nov 16;342(6247):299-302. PMID:2682266

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (18 Kb) [Save to disk] Biological Unit Coordinates (3phv.pdb1.gz) 26 Kb CSU: Contacts of Structural Units for 3PHV Likely Quarternary Molecular Structure file(s) for 3PHV Retrieve 3PHV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3PHV from S2C, [Save to disk]

View 3PHV 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 3PHV

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3PHV, from MSDmotif at EBI Genome occurence of 3PHV's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d3phv__, region [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: [3phv_A] [3phv] SWISS-PROT database: [P04585] Domain organization of [POL_HV1H2] by SWISSPFAM

Other resources with information on 3PHV

Community annotation for 3PHV at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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