2XWO	Transport Protein	date	Nov 04, 2010
title	Siap R147e Mutant In Complex With Sialylamide
authors	M.Fischer, R.E.Hubbard
compound		source
Molecule: Sialic Acid-Binding Periplasmic Protein Siap Chain: A Synonym: Extracytoplasmic Solute Receptor Protein Siap, N- Acetylneuraminic-Binding Protein, Neu5ac-Binding Protein, S Binding Protein; Engineered: Yes Mutation: Yes		Organism_scientific: Haemophilus Influenzae Organism_taxid: 727 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_variant: Plyss Pah16 Expression_system_vector_type: Plasmid Expression_system_vector: Pet21b
symmetry	Space Group: P 21 21 21	R_factor 0.130 R_Free 0.179
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.860 74.760 87.170 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.54 Å
ligand	SLM	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Tripartite ATP-independent periplasmic (TRAP) transporters use an arginine-mediated selectivity filter for high affinity substrate binding., Fischer M, Hopkins AP, Severi E, Hawkhead J, Bawdon D, Watts AG, Hubbard RE, Thomas GH, J Biol Chem. 2015 Sep 5. pii: jbc.M115.656603. PMID:26342690

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (120 Kb) [Save to disk] Biological Unit Coordinates (2xwo.pdb1.gz) 115 Kb LPC: Ligand-Protein Contacts for 2XWO CSU: Contacts of Structural Units for 2XWO Structure Factors (614 Kb) Retrieve 2XWO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XWO from S2C, [Save to disk] Re-refined 2xwo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2XWO 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 2XWO

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 2XWO, from MSDmotif at EBI

Sequence-derived information

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

Other resources with information on 2XWO

Community annotation for 2XWO at PDBWiki (http://pdbwiki.org)

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