3A23	Hydrolase	date	Apr 27, 2009
title	Crystal Structure Of Beta-L-Arabinopyranosidase Complexed Wi Galactose
authors	Z.Fujimoto, H.Ichinose, S.Kaneko
compound		source
Molecule: Putative Secreted Alpha-Galactosidase Chain: A, B Fragment: Unp Residues 45-658 Engineered: Yes		Organism_scientific: Streptomyces Avermitilis Organism_taxid: 33903 Strain: Nbrc14893 Gene: Agaa2, Sav2186, Sav_2186 Expression_system: Streptomyces Lividans Expression_system_taxid: 1916 Expression_system_strain: 1326 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pij702
symmetry	Space Group: P 21 21 21	R_factor 0.142 R_Free 0.177
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.256 99.081 181.630 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	1PG, EPE, GAL, GOL, SO4	enzyme
Gene	SAV
Gene Ontology	Chain Function Process Component A, B
Primary reference	A beta-l-Arabinopyranosidase from Streptomyces avermitilis is a novel member of glycoside hydrolase family 27., Ichinose H, Fujimoto Z, Honda M, Harazono K, Nishimoto Y, Uzura A, Kaneko S, J Biol Chem. 2009 Sep 11;284(37):25097-106. Epub 2009 Jul 16. PMID:19608743

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (218 Kb) [Save to disk] Biological Unit Coordinates (3a23.pdb1.gz) 109 Kb Biological Unit Coordinates (3a23.pdb2.gz) 107 Kb LPC: Ligand-Protein Contacts for 3A23 CSU: Contacts of Structural Units for 3A23 Likely Quarternary Molecular Structure file(s) for 3A23 Structure Factors (1446 Kb) Retrieve 3A23 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3A23 from S2C, [Save to disk] Re-refined 3a23 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3A23 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 3A23

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 3A23, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3a23_B] [3a23] [3a23_A] SWISS-PROT database: [Q82L26] Domain organization of [Q82L26_STRAW] by SWISSPFAM Domain found in 3A23: [RICIN ] by SMART

Other resources with information on 3A23

Community annotation for 3A23 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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