2PNV	Membrane Protein	date	Apr 25, 2007
title	Crystal Structure Of The Leucine Zipper Domain Of Small- Conductance Ca2+-Activated K+ (Skca) Channel From Rattus Norvegicus
authors	J.Y.Kim, M.K.Kim, G.B.Kang, C.S.Park, S.H.Eom
compound		source
Molecule: Small Conductance Calcium-Activated Potassium Channel Protein 2; Chain: A, B Fragment: Leucine Zipper Domain Synonym: Sk2, Small-Conductance Ca2+-Activated K+ (Skca) Channel; Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: Kcnn2 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Modified Pgex Vector
symmetry	Space Group: P 63	R_factor 0.210 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 29.200 29.200 192.900 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
note	2PNV is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the leucine zipper domain of small-conductance Ca2+-activated K+ (SK(Ca)) channel from Rattus norvegicus., Kim JY, Kim MK, Kang GB, Park CS, Eom SH, Proteins. 2008 Feb 1;70(2):568-71. PMID:17910055

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (18 Kb) [Save to disk] Biological Unit Coordinates (2pnv.pdb1.gz) 14 Kb Biological Unit Coordinates (2pnv.pdb2.gz) 14 Kb Biological Unit Coordinates (2pnv.pdb3.gz) 26 Kb CSU: Contacts of Structural Units for 2PNV Likely Quarternary Molecular Structure file(s) for 2PNV Structure Factors (34 Kb) Retrieve 2PNV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PNV from S2C, [Save to disk] Re-refined 2pnv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PNV 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 2PNV

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2PNV, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2pnv] [2pnv_A] [2pnv_B] SWISS-PROT database: [P70604] Domain organization of [KCNN2_RAT] by SWISSPFAM

Other resources with information on 2PNV

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

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