2QKS	Metal Transport	date	Jul 11, 2007
title	Crystal Structure Of A Kir3.1-Prokaryotic Kir Channel Chimer
authors	M.Nishida, R.Mackinnon
compound		source
Molecule: Kir3.1-Prokaryotic Kir Channel Chimera Chain: A, B Fragment: Kir3.1 (Residues 3-44, 125-318), Kirbac1.3 Transm Domain (Residues 45-124); Synonym: Girk1, Potassium Channel, Inwardly Rectifying Subf Member 3, Inward Rectifier K+, Channel Kir3.1; Engineered: Yes Mutation: Yes		Organism_scientific: Mus Musculus, Paraburkholderia Xenovor Organism_common: Mouse Organism_taxid: 10090, 266265 Strain: Lb400 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28b(+)
symmetry	Space Group: P 4	R_factor 0.231 R_Free 0.256
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.416 98.416 92.624 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	BNG, K	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of a Kir3.1-prokaryotic Kir channel chimera., Nishida M, Cadene M, Chait BT, Mackinnon R, EMBO J. 2007 Aug 16;. PMID:17703190

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk] Biological Unit Coordinates (2qks.pdb1.gz) 203 Kb Biological Unit Coordinates (2qks.pdb2.gz) 189 Kb LPC: Ligand-Protein Contacts for 2QKS CSU: Contacts of Structural Units for 2QKS Likely Quarternary Molecular Structure file(s) for 2QKS Structure Factors (356 Kb) Retrieve 2QKS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QKS from S2C, [Save to disk] Re-refined 2qks structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QKS 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 2QKS

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 2QKS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qks_B] [2qks] [2qks_A] SWISS-PROT database: [P63250] [Q146M9] Belongs to the inward rectifier k(+) channel (irk-c) family according to TCDB. Domain organization of [IRK3_MOUSE] [Q146M9_BURXL] by SWISSPFAM

Other resources with information on 2QKS

Community annotation for 2QKS at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---