1IL4	Hydrolase	date	May 07, 2001
title	Structure Of Ricin A Chain Bound With Inhibitor 9-Deazaguani
authors	D.J.Miller, K.Ravikumar, H.Shen, J.K.Suh, S.M.Kerwin, J.D.Robert
compound		source
Molecule: Ricin A Chain Chain: A Ec: 3.2.2.22 Engineered: Yes		Organism_scientific: Ricinus Communis Organism_common: Castor Bean Organism_taxid: 3988 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.222 R_Free 0.293
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.700 68.410 50.160 90.00 112.80 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	9DG	enzyme	Hydrolase E.C.3.2.2.22 BRENDA
related structures	by homologous chain: 1RZO, 2AAI
Gene Ontology	Chain Function Process Component A
Primary reference	Structure-based design and characterization of novel platforms for ricin and shiga toxin inhibition., Miller DJ, Ravikumar K, Shen H, Suh JK, Kerwin SM, Robertus JD, J Med Chem 2002 Jan 3;45(1):90-8. PMID:11754581

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (1il4.pdb1.gz) 43 Kb LPC: Ligand-Protein Contacts for 1IL4 CSU: Contacts of Structural Units for 1IL4 Likely Quarternary Molecular Structure file(s) for 1IL4 Structure Factors (57 Kb) Retrieve 1IL4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IL4 from S2C, [Save to disk] Re-refined 1il4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1IL4 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 1IL4

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 1IL4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1il4a_, 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: [1il4] [1il4_A] SWISS-PROT database: [P02879] Domain organization of [RICI_RICCO] by SWISSPFAM

Other resources with information on 1IL4

Community annotation for 1IL4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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