1M73	Transferase	date	Jul 18, 2002
title	Crystal Structure Of Human Pnp At 2.3a Resolution
authors	W.F.De Azevedo Jr., D.Marangoni Dos Santos, F.Canduri, G.C.Sant J.R.Olivieri, R.G.Silva, L.A.Basso, M.S.Palma, D.S.Santos
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: E Synonym: Inosine Phosphorylase, Pnp Ec: 2.4.2.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-23a+
symmetry	Space Group: H 3 2	R_factor 0.205 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 141.630 141.630 163.160 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	SO4	enzyme	Transferase E.C.2.4.2.1 BRENDA
related structures	by homologous chain: 1LV8, 1RT9
Gene Ontology	Chain Function Process Component E
Primary reference	Crystal structure of human purine nucleoside phosphorylase at 2.3A resolution., de Azevedo WF Jr, Canduri F, dos Santos DM, Silva RG, de Oliveira JS, de Carvalho LP, Basso LA, Mendes MA, Palma MS, Santos DS, Biochem Biophys Res Commun 2003 Aug 29;308(3):545-52. PMID:12914785

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (51 Kb) [Save to disk] Biological Unit Coordinates (1m73.pdb1.gz) 137 Kb LPC: Ligand-Protein Contacts for 1M73 CSU: Contacts of Structural Units for 1M73 Likely Quarternary Molecular Structure file(s) for 1M73 Structure Factors (203 Kb) Retrieve 1M73 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1M73 from S2C, [Save to disk] Re-refined 1m73 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1M73 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 1M73

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 1M73, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1m73e_, region E [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: [1m73_E] [1m73] SWISS-PROT database: [P00491] Domain organization of [PNPH_HUMAN] by SWISSPFAM

Other resources with information on 1M73

Community annotation for 1M73 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

---