1LNQ	Metal Transport	date	May 03, 2002
title	Crystal Structure Of Mthk At 3.3 A
authors	Y.Jiang, A.Lee, J.Chen, M.Cadene, B.T.Chait, R.Mackinnon
compound		source
Molecule: Potassium Channel Related Protein Chain: A, B, C, D, E, F, G, H Synonym: Mthk Channels Engineered: Yes		Organism_scientific: Methanothermobacter Thermautotrophicus Organism_taxid: 145262 Gene: Mth1520 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Xl1blue Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe70
symmetry	Space Group: P 61	R_factor 0.301 R_Free 0.318
crystal cell	length a length b length c angle alpha angle beta angle gamma 137.000 137.000 373.300 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.30 Å
ligand	CA	enzyme
note	1LNQ (Molecule of the Month:pdb38)
Gene Ontology	Chain Function Process Component F, A, E, B, H, C, D, G cation transmembrane transpo...
Primary reference	Crystal structure and mechanism of a calcium-gated potassium channel., Jiang Y, Lee A, Chen J, Cadene M, Chait BT, MacKinnon R, Nature. 2002 May 30;417(6888):515-22. PMID:12037559

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (337 Kb) [Save to disk] Biological Unit Coordinates (1lnq.pdb1.gz) 328 Kb LPC: Ligand-Protein Contacts for 1LNQ CSU: Contacts of Structural Units for 1LNQ Likely Quarternary Molecular Structure file(s) for 1LNQ Structure Factors (508 Kb) Retrieve 1LNQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LNQ from S2C, [Save to disk] Re-refined 1lnq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LNQ 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 1LNQ

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 1LNQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lnqa3, region A:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqa2, region A:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqa4, region A:245-336 [Jmol] [rasmolscript] [script source]     - Domain d1lnqb3, region B:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqb2, region B:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqb4, region B:245-336 [Jmol] [rasmolscript] [script source]     - Domain d1lnqc3, region C:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqc2, region C:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqc4, region C:245-336 [Jmol] [rasmolscript] [script source]     - Domain d1lnqd3, region D:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqd2, region D:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqd4, region D:245-336 [Jmol] [rasmolscript] [script source]     - Domain d1lnqe3, region E:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqe2, region E:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqe4, region E:245-336 [Jmol] [rasmolscript] [script source]     - Domain d1lnqf3, region F:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqf2, region F:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqf4, region F:245-336 [Jmol] [rasmolscript] [script source]     - Domain d1lnqg3, region G:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqg2, region G:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqg4, region G:245-336 [Jmol] [rasmolscript] [script source]     - Domain d1lnqh3, region H:116-244 [Jmol] [rasmolscript] [script source]     - Domain d1lnqh2, region H:19-98 [Jmol] [rasmolscript] [script source]     - Domain d1lnqh4, region H:245-336 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1lnq_A] [1lnq_H] [1lnq_D] [1lnq] [1lnq_G] [1lnq_C] [1lnq_B] [1lnq_E] [1lnq_F] SWISS-PROT database: [O27564] Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB. Domain organization of [MTHK_METTH] by SWISSPFAM

Other resources with information on 1LNQ

Community annotation for 1LNQ 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

---