1A30	Hydrolase Hydrolase Inhibitor	date	Jan 27, 1998
title	Hiv-1 Protease Complexed With A Tripeptide Inhibitor
authors	J.M.Louis, F.Dyda, N.T.Nashed, A.R.Kimmel, D.R.Davies
compound		source
Molecule: Hiv-1 Protease Chain: A, B Ec: 3.4.23.16 Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Strain: Isolate Hxb2 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector: Pet-11 A
Molecule: Tripeptide Glu-Asp-Leu Chain: C Engineered: Yes
symmetry	Space Group: P 21 21 2	R_factor 0.189 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.470 86.440 45.810 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Hydrolase E.C.3.4.23.16 BRENDA
related structures	by homologous chain: 1HTG, 1NPW
Gene Ontology	Chain Function Process Component A, B
Primary reference	Hydrophilic peptides derived from the transframe region of Gag-Pol inhibit the HIV-1 protease., Louis JM, Dyda F, Nashed NT, Kimmel AR, Davies DR, Biochemistry 1998 Feb 24;37(8):2105-10. PMID:9485357

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (39 Kb) [Save to disk] Biological Unit Coordinates (1a30.pdb1.gz) 35 Kb CSU: Contacts of Structural Units for 1A30 Likely Quarternary Molecular Structure file(s) for 1A30 Structure Factors (157 Kb) Retrieve 1A30 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A30 from S2C, [Save to disk] Re-refined 1a30 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A30 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 1A30

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 1A30, from MSDmotif at EBI Genome occurence of 1A30's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a30a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a30b_, 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: [1a30_A] [1a30] [1a30_B] [1a30_C] SWISS-PROT database: [P04585] Domain organization of [POL_HV1H2] by SWISSPFAM

Other resources with information on 1A30

Community annotation for 1A30 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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