1QEZ	Hydrolase	date	Apr 06, 1999
title	Sulfolobus Acidocaldarius Inorganic Pyrophosphatase: An Arch Pyrophosphatase.
authors	V.M.Leppanen, H.Nummelin, T.Hansen, R.Lahti, G.Schafer, A.Goldma
compound		source
Molecule: Protein (Inorganic Pyrophosphatase) Chain: A, B, C, D, E, F Synonym: Ppase, S-Ppase Ec: 3.6.1.1 Engineered: Yes		Organism_scientific: Sulfolobus Acidocaldarius Organism_taxid: 2285 Atcc: Dsm 639 Collection: Dsm 639 Cellular_location: Cytoplasm Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_cellular_location: Cytoplasm Expression_system_plasmid: Pet-3a Other_details: German Collection Of Microorganisms (Dsm)
symmetry	Space Group: P 1 21 1	R_factor 0.197 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 70.120 98.730 107.250 90.00 78.01 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	MG	enzyme	Hydrolase E.C.3.6.1.1 BRENDA
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	Sulfolobus acidocaldarius inorganic pyrophosphatase: structure, thermostability, and effect of metal ion in an archael pyrophosphatase., Leppanen VM, Nummelin H, Hansen T, Lahti R, Schafer G, Goldman A, Protein Sci 1999 Jun;8(6):1218-31. PMID:10386872

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (152 Kb) [Save to disk] Biological Unit Coordinates (1qez.pdb1.gz) 147 Kb LPC: Ligand-Protein Contacts for 1QEZ CSU: Contacts of Structural Units for 1QEZ Likely Quarternary Molecular Structure file(s) for 1QEZ Structure Factors (350 Kb) Retrieve 1QEZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QEZ from S2C, [Save to disk] Re-refined 1qez structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QEZ 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 1QEZ

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QEZ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qeza_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qezb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qezc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1qezd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1qeze_, region E [Jmol] [rasmolscript] [script source]     - Domain d1qezf_, region F [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: [1qez_F] [1qez_B] [1qez_C] [1qez_E] [1qez_D] [1qez] [1qez_A] SWISS-PROT database: [P50308] Domain organization of [IPYR_SULAC] by SWISSPFAM

Other resources with information on 1QEZ

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

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