1HI2	Hydrolase	date	Jan 02, 2001
title	Eosinophil-Derived Neurotoxin (Edn) - Sulphate Complex
authors	D.D.Leonidas, E.Boix, R.Prill, M.Suzuki, R.Turton, K.Minson, G.J.Swaminathan, R.J.Youle, K.R.Acharya
compound		source
Molecule: Eosinophil-Derived Neurotoxin Chain: A Synonym: Rnase-2, Rnase-Us, Edn Ec: 3.1.27.5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Blood Cell: Eosinophil Organelle: Granule Cellular_location: Secretory Granules Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.177 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.400 57.230 42.220 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.6 Å
ligand	SO4	enzyme	Hydrolase E.C.3.1.27.5 BRENDA
related structures	by homologous chain: 1DYT, 1K2A
Gene Ontology	Chain Function Process Component A ribonuclease A activity
Primary reference	Mapping the ribonucleolytic active site of eosinophil-derived neurotoxin (EDN). High resolution crystal structures of EDN complexes with adenylic nucleotide inhibitors., Leonidas DD, Boix E, Prill R, Suzuki M, Turton R, Minson K, Swaminathan GJ, Youle RJ, Acharya KR, J Biol Chem 2001 May 4;276(18):15009-17. PMID:11154698

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (29 Kb) [Save to disk] Biological Unit Coordinates (1hi2.pdb1.gz) 25 Kb LPC: Ligand-Protein Contacts for 1HI2 CSU: Contacts of Structural Units for 1HI2 Likely Quarternary Molecular Structure file(s) for 1HI2 Retrieve 1HI2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HI2 from S2C, [Save to disk]

View 1HI2 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 1HI2

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HI2, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hi2a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1f1hi2, region I:101-468 [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: [1hi2_A] [1hi2] SWISS-PROT database: [P10153] Domain organization of [RNAS2_HUMAN] by SWISSPFAM Domain found in 1HI2: [RNAse_Pc ] by SMART

Other resources with information on 1HI2

Community annotation for 1HI2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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