3LNM	Membrane Protein, Transport Protein	date	Feb 02, 2010
title	F233w Mutant Of The Kv2.1 Paddle-Kv1.2 Chimera Channel
authors	X.Tao, A.Lee, W.Limapichat, D.A.Dougherty, R.Mackinnon
compound		source
Molecule: Voltage-Gated Potassium Channel Subunit Beta-2 Chain: A, C Fragment: Subunit Beta-2 Core Synonym: K(+) Channel Subunit Beta-2, Kv-Beta-2 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Brown Rat,Rat,Rats Organism_taxid: 10116 Gene: Ckbeta2, Kcnab2, Kcnb3 Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_strain: Smd1163h Expression_system_vector_type: Plasmid Expression_system_plasmid: Picz
Molecule: F233w Mutant Of The Kv2.1 Paddle-Kv1.2 Chimera Chain: B, D Synonym: Voltage-Gated Potassium Channel Subunit Kv1.2, Rbk Rak; Engineered: Yes Mutation: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Brown Rat,Rat,Rats Organism_taxid: 10116 Gene: Kcna2 Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_strain: Smd1163h Expression_system_vector_type: Plasmid Expression_system_plasmid: Picz
symmetry	Space Group: P 4 21 2	R_factor 0.211 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 144.271 144.271 284.060 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	K, NAP, PGW	enzyme
Gene Ontology	Chain Function Process Component A, C voltage-gated ion channel ac... voltage-gated potassium chan... D, B
Primary reference	A gating charge transfer center in voltage sensors., Tao X, Lee A, Limapichat W, Dougherty DA, MacKinnon R, Science. 2010 Apr 2;328(5974):67-73. PMID:20360102

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (236 Kb) [Save to disk] Biological Unit Coordinates (3lnm.pdb1.gz) 421 Kb Biological Unit Coordinates (3lnm.pdb2.gz) 475 Kb LPC: Ligand-Protein Contacts for 3LNM CSU: Contacts of Structural Units for 3LNM Structure Factors (542 Kb) Retrieve 3LNM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3LNM from S2C, [Save to disk] Re-refined 3lnm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3LNM 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 3LNM

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 3LNM, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3lnm_A] [3lnm_D] [3lnm_B] [3lnm_C] [3lnm] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3LNM: [BTB ] by SMART

Other resources with information on 3LNM

Community annotation for 3LNM at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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