2X8S	Hydrolase	date	Mar 11, 2010
title	Crystal Structure Of The Abn2 D171a Mutant In Complex With Arabinotriose
authors	D.Desanctis, J.M.Inacio, P.F.Lindley, I.De Sa-Nogueira, I.Bento
compound		source
Molecule: Endo-Alpha-1,5-L-Arabinanase Chain: A, B Synonym: Endo-Alpha- Arabinanase Ec: 3.2.1.99 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1	R_factor 0.147 R_Free 0.167
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.950 57.985 85.595 96.14 91.77 117.34
method	X-Ray Diffraction	resolution	1.50 Å
ligand	AHR, CA, CL, GOL, MPD, NA, PO4, TRS	enzyme	Hydrolase E.C.3.2.1.99 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	New evidence for the role of calcium in the glycosidase reaction of GH43 arabinanases., De Sanctis D, Inacio JM, Lindley PF, De Sa-Nogueira I, Bento I, FEBS J. 2010 Sep 10. doi: 10.1111/j.1742-4658.2010.07870.x. PMID:20883454

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (306 Kb) [Save to disk] Biological Unit Coordinates (2x8s.pdb1.gz) 151 Kb Biological Unit Coordinates (2x8s.pdb2.gz) 152 Kb LPC: Ligand-Protein Contacts for 2X8S CSU: Contacts of Structural Units for 2X8S Structure Factors (5990 Kb) Retrieve 2X8S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2X8S from S2C, [Save to disk] Re-refined 2x8s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2X8S in 3D

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Visual 3D analysis of 2X8S

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 2X8S, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2x8s_A] [2x8s] [2x8s_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 2X8S

Community annotation for 2X8S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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