1B8N	Transferase	date	Feb 02, 1999
title	Purine Nucleoside Phosphorylase
authors	A.A.Fedorov, G.A.Kicska, E.V.Fedorov, B.V.Strokopytov, P.C.Tyler R.H.Furneaux, V.L.Schramm, S.C.Almo
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: A Ec: 2.4.2.1 Other_details: Complexed With Transition-State Analogue 1,4 1,4-Imino-1-(S)-(9-Deazaguanin-9-Yl)-D-Ribitol		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Spleen
symmetry	Space Group: P 21 3	R_factor 0.164 R_Free 0.246
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.320 90.320 90.320 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	IMG, MG, PO4 BindingDB	enzyme	Transferase E.C.2.4.2.1 BRENDA
related structures	by homologous chain: 1A9S, 4PNP
Gene Ontology	Chain Function Process Component A
Primary reference	Atomic dissection of the hydrogen bond network for transition-state analogue binding to purine nucleoside phosphorylase., Kicska GA, Tyler PC, Evans GB, Furneaux RH, Shi W, Fedorov A, Lewandowicz A, Cahill SM, Almo SC, Schramm VL, Biochemistry 2002 Dec 10;41(49):14489-98. PMID:12463747

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (1b8n.pdb1.gz) 48 Kb Biological Unit Coordinates (1b8n.pdb2.gz) 139 Kb LPC: Ligand-Protein Contacts for 1B8N CSU: Contacts of Structural Units for 1B8N Likely Quarternary Molecular Structure file(s) for 1B8N Retrieve 1B8N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B8N from S2C, [Save to disk]

View 1B8N in 3D

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Visual 3D analysis of 1B8N

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1B8N, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b8na_, region A [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: [1b8n] [1b8n_A] SWISS-PROT database: [P55859] Domain organization of [PNPH_BOVIN] by SWISSPFAM

Other resources with information on 1B8N

Community annotation for 1B8N at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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