2KB5	Hydrolase	date	Nov 20, 2008
title	Solution Nmr Structure Of Eosinophil Cationic Proteinrnase
authors	M.Rico, M.Bruix, D.V.Laurents, J.Santoro, M.Jimenez, E.Boix, M.Moussaoui, M.Nogues
compound		source
Molecule: Eosinophil Cationic Protein Chain: A Synonym: Ecp, Ribonuclease 3, Rnase 3 Ec: 3.1.27.- Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Rnase3, Ecp, Rns3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_variant: De3 Expression_system_vector: Pet11c
method	Solution NMR
ligand		enzyme	Hydrolase E.C.3.1.27 BRENDA
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity ribonuclease activity hydrolase activity RNA catabolic process defense response to bacteriu... nucleic acid phosphodiester ... extracellular region
Primary reference	"The (1)H, (13)C, (15)N resonance assignment, solution structure and residue level stability of eosinophil cationic protein/rnase 3 determined by NMR spectroscopy", Laurents DV, Bruix M, Jimenez MA, Santoro J, Boix E, Moussaoui M, Nogues MV, Rico M, Biopolymers. 2009 Feb 2. PMID:19189375

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (839 Kb) [Save to disk] CSU: Contacts of Structural Units for 2KB5 Original NMR restraints for 2KB5 from PDB Retrieve 2KB5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2KB5 from S2C, [Save to disk]

View 2KB5 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2KB5

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2KB5, from MSDmotif at EBI Fold representative 2kb5 from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2kb5_A] SWISS-PROT database: [P12724] Domain organization of [ECP_HUMAN] by SWISSPFAM Domain found in 2KB5: [RNAse_Pc ] by SMART Alignments of the sequence of 2KB5 with the sequences similar proteins can be viewed for 2KB5's classification [ECP_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [ECP_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2KB5

Community annotation for 2KB5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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