1E4N	Hydrolase	date	Jul 11, 2000
title	Crystal Structure Of The Inactive Mutant Monocot (Maize Zmgl Glucosidase Zmglue191d In Complex With The Natural Aglycone
authors	M.Czjzek, M.Cicek, D.R.Bevan, V.Zamboni, B.Henrissat, A.Esen
compound		source
Molecule: Beta-Glucosidase Chain: A, B Ec: 3.2.1.21 Engineered: Yes Mutation: Yes		Organism_scientific: Zea Mays Organism_common: Maize Organism_taxid: 4577 Strain: Cv. Mutin Tissue: Coleoptile Organelle: Chloroplast Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_variant: Plys S Expression_system_plasmid: Pet-21a Expression_system_gene: Glu1
symmetry	Space Group: P 21 21 21	R_factor 0.223 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.570 95.310 117.760 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	HBO	enzyme	Hydrolase E.C.3.2.1.21 BRENDA
related structures	by homologous chain: 1E56, 1HXJ
Gene Ontology	Chain Function Process Component A, B
Primary reference	Expression of soluble and catalytically active plant (monocot) beta-glucosidases in E. coli., Cicek M, Esen A, Biotechnol Bioeng. 1999 May 20;63(4):392-400. PMID:10099619

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (170 Kb) [Save to disk] Biological Unit Coordinates (1e4n.pdb1.gz) 164 Kb LPC: Ligand-Protein Contacts for 1E4N CSU: Contacts of Structural Units for 1E4N Likely Quarternary Molecular Structure file(s) for 1E4N Structure Factors (447 Kb) Retrieve 1E4N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1E4N from S2C, [Save to disk] Re-refined 1e4n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1E4N 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 1E4N

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 1E4N, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1e4na_, region A [Jmol] [rasmolscript] [script source]     - Domain d1e4nb_, region B [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: [1e4n] [1e4n_A] [1e4n_B] SWISS-PROT database: [P49235] Domain organization of [BGLC_MAIZE] by SWISSPFAM

Other resources with information on 1E4N

Community annotation for 1E4N at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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