4PAX	Transferase	date	Nov 25, 1997
title	The Catalytic Fragment Of Poly(Adp-Ribose) Polymerase Comple 8-Hydroxy-2-Methyl-3-Hydro-Quinazolin-4-One
authors	A.Ruf, G.E.Schulz
compound		source
Molecule: Poly(Adp-Ribose) Polymerase Chain: A Fragment: Catalytic Fragment Synonym: Parp-Cf, Poly(Adp-Ribose) Transferase, Poly (Adp-R Synthetase; Ec: 2.4.2.30 Engineered: Yes		Organism_scientific: Gallus Gallus Organism_common: Chicken Organism_taxid: 9031 Cell_line: Sf9 Organelle: Nucleus Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_cell_line: Sf9 Expression_system_vector_type: Virus Expression_system_vector: Baculovirus Expression_system_plasmid: Pvlpe
symmetry	Space Group: P 21 21 21	R_factor 0.167 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.160 64.550 96.310 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	NU1 BindingDB	enzyme	Transferase E.C.2.4.2.30 BRENDA
related structures	by homologous chain: 1UK0, 3PAX
Gene Ontology	Chain Function Process Component A
Primary reference	Inhibitor and NAD+ binding to poly(ADP-ribose) polymerase as derived from crystal structures and homology modeling., Ruf A, de Murcia G, Schulz GE, Biochemistry 1998 Mar 17;37(11):3893-900. PMID:9521710

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk] Biological Unit Coordinates (4pax.pdb1.gz) 57 Kb LPC: Ligand-Protein Contacts for 4PAX CSU: Contacts of Structural Units for 4PAX Likely Quarternary Molecular Structure file(s) for 4PAX Structure Factors (67 Kb) Retrieve 4PAX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4PAX from S2C, [Save to disk] Re-refined 4pax structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4PAX 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 4PAX

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 4PAX, from MSDmotif at EBI Genome occurence of 4PAX's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4pax_1, region 662-796 [Jmol] [rasmolscript] [script source]     - Domain d4pax_2, region 797-1011 [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: [4pax] [4pax_A] SWISS-PROT database: [P26446] Domain organization of [PARP1_CHICK] by SWISSPFAM

Other resources with information on 4PAX

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

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