1ULB	Pentosyltransferase	date	Nov 05, 1991
title	Application Of Crystallographic And Modeling Methods In The Purine Nucleoside Phosphorylase Inhibitors
authors	S.E.Ealick, S.A.Rule, D.C.Carter, T.J.Greenhough, Y.S.Babu, W.J.C J.Habash, J.R.Helliwell, J.D.Stoeckler, R.E.Parksjunior, S.F.C C.E.Bugg
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: A Ec: 2.4.2.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: H 3 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 142.900 142.900 165.200 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.75 Å
ligand	GUN, SO4 BindingDB	enzyme	Transferase E.C.2.4.2.1 BRENDA
related structures	by homologous chain: 1RCT, 1ULA
Gene Ontology	Chain Function Process Component A
Primary reference	Application of crystallographic and modeling methods in the design of purine nucleoside phosphorylase inhibitors., Ealick SE, Babu YS, Bugg CE, Erion MD, Guida WC, Montgomery JA, Secrist JA 3rd, Proc Natl Acad Sci U S A 1991 Dec 15;88(24):11540-4. PMID:1763067

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (1ulb.pdb1.gz) 134 Kb LPC: Ligand-Protein Contacts for 1ULB CSU: Contacts of Structural Units for 1ULB Likely Quarternary Molecular Structure file(s) for 1ULB Structure Factors (74 Kb) Retrieve 1ULB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ULB from S2C, [Save to disk] Re-refined 1ulb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ULB 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 1ULB

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1ULB, from MSDmotif at EBI Genome occurence of 1ULB's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ulb__, region [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: [1ulb] [1ulb_A] SWISS-PROT database: [P00491] Domain organization of [PNPH_HUMAN] by SWISSPFAM

Other resources with information on 1ULB

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

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