1IYB	Hydrolase	date	Aug 05, 2002
title	Crystal Structure Of The Nicotiana Glutinosa Ribonuclease Nw
authors	S.Kawano, Y.Kakuta, M.Kimura
compound		source
Molecule: Ribonuclease Chain: A, B Synonym: Ribonuclease M5 Ec: 3.1.-.- Engineered: Yes		Organism_scientific: Nicotiana Glutinosa Organism_taxid: 35889 Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_vector_type: Plasmid Expression_system_plasmid: Ppic9k
symmetry	Space Group: P 21 21 21	R_factor 0.212 R_Free 0.230
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.800 94.300 98.100 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	5GP	enzyme	Hydrolase E.C.3.1 BRENDA
related structures	by homologous chain: 1DIX
Gene Ontology	Chain Function Process Component A, B
Primary reference	Guanine binding site of the Nicotiana glutinosa ribonuclease NW revealed by X-ray crystallography., Kawano S, Kakuta Y, Kimura M, Biochemistry 2002 Dec 24;41(51):15195-202. PMID:12484757

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk] Biological Unit Coordinates (1iyb.pdb1.gz) 73 Kb LPC: Ligand-Protein Contacts for 1IYB CSU: Contacts of Structural Units for 1IYB Likely Quarternary Molecular Structure file(s) for 1IYB Structure Factors (862 Kb) Retrieve 1IYB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IYB from S2C, [Save to disk] Re-refined 1iyb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1IYB 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 1IYB

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1IYB 1IYBA 1IYBB from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IYB, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1iyba_, region A [Jmol] [rasmolscript] [script source]     - Domain d1iybb_, 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: [1iyb_A] [1iyb_B] [1iyb] SWISS-PROT database: [Q7XZV5] Domain organization of [Q7XZV5_NICGU] by SWISSPFAM

Other resources with information on 1IYB

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

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