1JS4	Glycosyl Hydrolase	date	May 30, 1997
title	Endoexocellulase:Cellobiose From Thermomonospora
authors	J.Sakon, D.B.Wilson, P.A.Karplus
compound		source
Molecule: Endoexocellulase E4 Chain: A, B Fragment: Catalytic Domain And Cellulose-Binding Domain Synonym: Endo-1,4-Beta-D-Glucanase, Endoglucanase E-4 Ec: 3.2.1.4 Engineered: Yes		Organism_scientific: Thermobifida Fusca Organism_taxid: 2021 Gene: Bamh1-Pst1 Fragment Of T. Fusc Expression_system: Streptomyces Lividans Tk24 Expression_system_taxid: 457428 Expression_system_strain: Tk24 Expression_system_plasmid: Pij702 Expression_system_gene: Bamh1-Pst1 Fragment Of T. Fusca Gen Carrying Native E4 Gene
symmetry	Space Group: P 41 21 2	R_factor 0.199 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 145.680 145.680 157.080 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	BGC, CA	enzyme	Hydrolase E.C.3.2.1.4 BRENDA
related structures	by homologous chain: 1TF4, 4TF4
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure and mechanism of endo/exocellulase E4 from Thermomonospora fusca., Sakon J, Irwin D, Wilson DB, Karplus PA, Nat Struct Biol 1997 Oct;4(10):810-8. PMID:9334746

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (226 Kb) [Save to disk] Biological Unit Coordinates (1js4.pdb1.gz) 112 Kb Biological Unit Coordinates (1js4.pdb2.gz) 112 Kb LPC: Ligand-Protein Contacts for 1JS4 CSU: Contacts of Structural Units for 1JS4 Likely Quarternary Molecular Structure file(s) for 1JS4 Structure Factors (816 Kb) Retrieve 1JS4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JS4 from S2C, [Save to disk] Re-refined 1js4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1JS4 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 1JS4

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 1JS4, from MSDmotif at EBI Genome occurence of 1JS4's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1js4a1, region A:1-460 [Jmol] [rasmolscript] [script source]     - Domain d1js4a2, region A:461-605 [Jmol] [rasmolscript] [script source]     - Domain d1js4b1, region B:1-460 [Jmol] [rasmolscript] [script source]     - Domain d1js4b2, region B:461-605 [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: [1js4_A] [1js4_B] [1js4] SWISS-PROT database: [P26221] Domain organization of [GUN4_THEFU] by SWISSPFAM Domain found in 1JS4: [CBM_3 ] by SMART

Other resources with information on 1JS4

Community annotation for 1JS4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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