1K42	Hydrolase	date	Oct 05, 2001
title	The Solution Structure Of The Cbm4-2 Carbohydrate Binding Mo A Thermostable Rhodothermus Marinus Xylanase.
authors	P.J.Simpson, S.J.Jamieson, M.Abou-Hachem, E.Nordberg-Karlsson, H.J.Gilbert, O.Holst, M.P.Williamson
compound		source
Molecule: Xylanase Chain: A Fragment: Second Family 4 Carbohydrate Binding Module (Cbm4 (Residues 211-373); Ec: 3.2.1.8 Engineered: Yes		Organism_scientific: Rhodothermus Marinus Organism_taxid: 29549 Gene: Xyn10a Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-25b(+)
method	Solution NMR
ligand		enzyme	Hydrolase E.C.3.2.1.8 BRENDA
related structures	by homologous chain: 1K45
Gene Ontology	Chain Function Process Component A
Primary reference	The solution structure of the CBM4-2 carbohydrate binding module from a thermostable Rhodothermus marinus xylanase., Simpson PJ, Jamieson SJ, Abou-Hachem M, Karlsson EN, Gilbert HJ, Holst O, Williamson MP, Biochemistry 2002 May 7;41(18):5712-9. PMID:11980475

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (500 Kb) [Save to disk] Biological Unit Coordinates (1k42.pdb1.gz) 41 Kb CSU: Contacts of Structural Units for 1K42 Original NMR restraints for 1K42 from PDB Experimental data, such as chemical shifts, at BioMagResBank (BMRB) NMR Restraints Grid from BioMagResBank (BMRB) Retrieve 1K42 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K42 from S2C, [Save to disk]

View 1K42 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 1K42

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1K42, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k42a_, region A [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: [1k42_A] [1k42] SWISS-PROT database: [P96988] Domain organization of [P96988_RHOMR] by SWISSPFAM

Other resources with information on 1K42

Community annotation for 1K42 at PDBWiki (http://pdbwiki.org) NMR Ensemble (OLDERADO: core, domain and representative structure database) MMDB (Entrez's Structure Database)

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