2AI2	Transferase	date	Jul 28, 2005
title	Purine Nucleoside Phosphorylase From Calf Spleen
authors	A.V.Toms, W.Wang, Y.Li, B.Ganem, S.E.Ealick
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: A Synonym: Inosine Phosphorylase, Pnp Ec: 2.4.2.1		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Spleen Other_details: Calf Spleen Purine Nucleoside Phosphorylase From Sigma Co.
symmetry	Space Group: P 21 3	R_factor 0.196 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.243 93.243 93.243 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	144, MG, P1D, ZN	enzyme	Transferase E.C.2.4.2.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Novel multisubstrate inhibitors of mammalian purine nucleoside phosphorylase., Toms AV, Wang W, Li Y, Ganem B, Ealick SE, Acta Crystallogr D Biol Crystallogr. 2005 Nov;61(Pt 11):1449-58. Epub 2005, Oct 19. PMID:16239721

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (2ai2.pdb1.gz) 143 Kb Biological Unit Coordinates (2ai2.pdb2.gz) 143 Kb LPC: Ligand-Protein Contacts for 2AI2 CSU: Contacts of Structural Units for 2AI2 Likely Quarternary Molecular Structure file(s) for 2AI2 Structure Factors (236 Kb) Retrieve 2AI2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2AI2 from S2C, [Save to disk] Re-refined 2ai2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2AI2 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 2AI2

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 2AI2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ai2] [2ai2_A] SWISS-PROT database: [P55859] Domain organization of [PNPH_BOVIN] by SWISSPFAM

Other resources with information on 2AI2

Community annotation for 2AI2 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

---