1UN1	Transferase	date	Sep 03, 2003
title	Xyloglucan Endotransglycosylase Native Structure.
authors	P.Johansson, H.Brumer, A.Kallas, H.Henriksson, S.Denman, T.T.Teer T.A.Jones
compound		source
Molecule: Xyloglucan Endotransglycosylase Chain: A, B Synonym: Xet16a Ec: 2.4.1.207 Engineered: Yes		Organism_scientific: Populus Tremula Organism_common: European Aspen Organism_taxid: 113636 Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_vector: Ppic9
symmetry	Space Group: P 63	R_factor 0.206 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 188.762 188.762 45.973 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	AU, BMA, NAG	enzyme	Transferase E.C.2.4.1.207 BRENDA
related structures	by homologous chain: 1UMZ
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structures of a poplar xyloglucan endotransglycosylase reveal details of transglycosylation acceptor binding., Johansson P, Brumer H 3rd, Baumann MJ, Kallas AM, Henriksson H, Denman SE, Teeri TT, Jones TA, Plant Cell 2004 Apr;16(4):874-86. Epub 2004 Mar 12. PMID:15020748

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk] Biological Unit Coordinates (1un1.pdb1.gz) 48 Kb Biological Unit Coordinates (1un1.pdb2.gz) 48 Kb LPC: Ligand-Protein Contacts for 1UN1 CSU: Contacts of Structural Units for 1UN1 Likely Quarternary Molecular Structure file(s) for 1UN1 Structure Factors (800 Kb) Retrieve 1UN1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UN1 from S2C, [Save to disk] Re-refined 1un1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1UN1 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 1UN1

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Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1UN1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1un1a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1un1b_, region B [Jmol] [rasmolscript] [script source] Fold representative 1un1 from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1un1_B] [1un1_A] [1un1] SWISS-PROT database: [Q8GZD5] Domain organization of [Q8GZD5_9ROSI] by SWISSPFAM

Other resources with information on 1UN1

Community annotation for 1UN1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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