4PGA	Bacterial Amidohydrolase	date	Jan 14, 1997
title	Glutaminase-Asparaginase From Pseudomonas 7a
authors	C.G.Jakob, K.Lewinski, M.W.Lacount, J.Roberts, L.Lebioda
compound		source
Molecule: Glutaminase-Asparaginase Chain: A, B Ec: 3.5.1.38 Engineered: Yes Other_details: Amidohydrolase, Asparaginase		Organism_scientific: Pseudomonas Sp. 7a Organism_taxid: 65406
symmetry	Space Group: C 2 2 21	R_factor 0.199 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 78.620 135.800 137.880 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	NH4, SO4	enzyme	Hydrolase E.C.3.5.1.38 BRENDA
related structures	by homologous chain: 1DJP
Gene Ontology	Chain Function Process Component A, B
Primary reference	Ion binding induces closed conformation in Pseudomonas 7A glutaminase-asparaginase (PGA): crystal structure of the PGA-SO4(2-)-NH4+ complex at 1.7 A resolution., Jakob CG, Lewinski K, LaCount MW, Roberts J, Lebioda L, Biochemistry 1997 Jan 28;36(4):923-31. PMID:9020792

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (112 Kb) [Save to disk] Biological Unit Coordinates (4pga.pdb1.gz) 211 Kb LPC: Ligand-Protein Contacts for 4PGA CSU: Contacts of Structural Units for 4PGA Likely Quarternary Molecular Structure file(s) for 4PGA Retrieve 4PGA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4PGA from S2C, [Save to disk]

View 4PGA 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 4PGA

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 4PGA, from MSDmotif at EBI Genome occurence of 4PGA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4pgaa_, region A [Jmol] [rasmolscript] [script source]     - Domain d4pgab_, 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: [4pga] [4pga_A] [4pga_B] SWISS-PROT database: [P10182] Domain organization of [ASPQ_PSES7] by SWISSPFAM Domain found in 4PGA: [Asparaginase ] by SMART

Other resources with information on 4PGA

Community annotation for 4PGA at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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