1QDV	Signaling Protein	date	Jul 10, 1999
title	N-Terminal Domain, Voltage-Gated Potassium Channel Kv1.2 Residues 33-131
authors	D.L.Minor Jr., Y.F.Lin, B.C.Mobley, M.Yu, Y.N.Jan, L.Y.Jan, J.M.Berger
compound		source
Molecule: Kv1.2 Voltage-Gated Potassium Channel Chain: A, B, C, D Fragment: N-Terminal Domain, Residues 33-131 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Organ: Brain Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet24b
symmetry	Space Group: P 21 21 21	R_factor 0.238 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.768 86.026 96.279 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.60 Å
related structures	by homologous chain: 1DSX, 1EOE
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	The polar T1 interface is linked to conformational changes that open the voltage-gated potassium channel., Minor DL, Lin YF, Mobley BC, Avelar A, Jan YN, Jan LY, Berger JM, Cell 2000 Sep 1;102(5):657-70. PMID:11007484

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1qdv.pdb1.gz) 73 Kb CSU: Contacts of Structural Units for 1QDV Likely Quarternary Molecular Structure file(s) for 1QDV Retrieve 1QDV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QDV from S2C, [Save to disk]

View 1QDV 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 1QDV

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QDV, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qdva_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qdvb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qdvc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1qdvd_, region D [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: [1qdv_B] [1qdv_C] [1qdv_D] [1qdv_A] [1qdv] SWISS-PROT database: [P63142] Domain organization of [KCNA2_RAT] by SWISSPFAM Domain found in 1QDV: [BTB ] by SMART

Other resources with information on 1QDV

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

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