1N0Q	Structural Protein	date	Oct 14, 2002
title	3ank: A Designed Ankyrin Repeat Protein With Three Identical Repeats
authors	L.K.Mosavi, D.L.Minor Jr., Z.Y.Peng
compound		source
Molecule: 3 Ankyrin Repeats Chain: A, B Synonym: 3ank Engineered: Yes		Gene: Designed Consensus Ankyrin Repeat Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Paed4
symmetry	Space Group: P 21 21 21	R_factor 0.171 R_Free 0.187
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.636 43.159 105.574 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.26 Å
ligand	TFA	enzyme
note	1N0Q is a representative structure
related structures	by homologous chain: 1N0R
Primary reference	Consensus-derived structural determinants of the ankyrin repeat motif., Mosavi LK, Minor DL Jr, Peng ZY, Proc Natl Acad Sci U S A 2002 Dec 10;99(25):16029-34. Epub 2002 Dec 2. PMID:12461176

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (1n0q.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 1N0Q CSU: Contacts of Structural Units for 1N0Q Likely Quarternary Molecular Structure file(s) for 1N0Q Structure Factors (318 Kb) Retrieve 1N0Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1N0Q from S2C, [Save to disk] Re-refined 1n0q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1N0Q 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 1N0Q

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1N0Q 1N0QA 1N0QB 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 1N0Q, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1n0qa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1n0qb_, 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: [1n0q_A] [1n0q] [1n0q_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 1N0Q: [ANK ] by SMART

Other resources with information on 1N0Q

Community annotation for 1N0Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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