1YQQ	Transferase	date	Feb 02, 2005
title	Escherichia Coli Purine Nucleoside Phosphorylase II, The Pro The Xapa Gene
authors	G.Dandanell, R.H.Szczepanowski, B.Kierdaszuk, D.Shugar, M.Bochtl
compound		source
Molecule: Xanthosine Phosphorylase Chain: A, B, C Synonym: Pnp-II, Purine Nucleoside Phosphorylase Ec: 2.4.2.1 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Xapa Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Gd1524 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgd265
symmetry	Space Group: P 21 21 2	R_factor 0.240 R_Free 0.258
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.531 116.633 73.423 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	GUN, PO4	enzyme	Transferase E.C.2.4.2.1 BRENDA
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Escherichia coli purine nucleoside phosphorylase II, the product of the xapA gene., Dandanell G, Szczepanowski RH, Kierdaszuk B, Shugar D, Bochtler M, J Mol Biol 2005 Apr 22;348(1):113-25. PMID:15808857

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (131 Kb) [Save to disk] Biological Unit Coordinates (1yqq.pdb1.gz) 252 Kb Biological Unit Coordinates (1yqq.pdb2.gz) 127 Kb LPC: Ligand-Protein Contacts for 1YQQ CSU: Contacts of Structural Units for 1YQQ Likely Quarternary Molecular Structure file(s) for 1YQQ Structure Factors (386 Kb) Retrieve 1YQQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1YQQ from S2C, [Save to disk] Re-refined 1yqq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1YQQ 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 1YQQ

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 1YQQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1yqq_A] [1yqq_C] [1yqq_B] [1yqq] SWISS-PROT database: [P45563] Domain organization of [XAPA_ECOLI] by SWISSPFAM

Other resources with information on 1YQQ

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---