1DYT	Hydrolase	date	Feb 08, 2000
title	X-Ray Crystal Structure Of Ecp (Rnase 3) At 1.75 A
authors	G.Mallorqui-Fernandez, J.Pous, R.Peracaula, T.Maeda, H.Tada, H.Yamada, M.Seno, R.De Llorens, F.X.Gomis-Rueth, M.Coll
compound		source
Molecule: Eosinophil Cationic Protein Chain: A, B Synonym: Ribonuclease 3 Ec: 3.1.27.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Eosinophil Gene: Rnase3 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: P 43 2 2	R_factor 0.224 R_Free 0.271
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.163 62.163 174.590 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	CIT, FE	enzyme	Hydrolase E.C.3.1.27 BRENDA
note	1DYT is a representative structure
related structures	by homologous chain: 1HI2, 1HI5
Gene Ontology	Chain Function Process Component A, B nuclease activity endonuclease activity ribonuclease activity
Primary reference	Three-dimensional crystal structure of human eosinophil cationic protein (RNase 3) at 1.75 A resolution., Mallorqui-Fernandez G, Pous J, Peracaula R, Aymami J, Maeda T, Tada H, Yamada H, Seno M, de Llorens R, Gomis-Ruth FX, Coll M, J Mol Biol 2000 Jul 28;300(5):1297-307. PMID:10903870

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (1dyt.pdb1.gz) 28 Kb Biological Unit Coordinates (1dyt.pdb2.gz) 27 Kb LPC: Ligand-Protein Contacts for 1DYT CSU: Contacts of Structural Units for 1DYT Likely Quarternary Molecular Structure file(s) for 1DYT Retrieve 1DYT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DYT from S2C, [Save to disk]

View 1DYT 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 1DYT

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1DYT, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dyta_, region A [Jmol] [rasmolscript] [script source]     - Domain d1dytb_, 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: [1dyt] [1dyt_B] [1dyt_A] SWISS-PROT database: [P12724] Domain organization of [ECP_HUMAN] by SWISSPFAM Domain found in 1DYT: [RNAse_Pc ] by SMART

Other resources with information on 1DYT

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

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