1QDW	Signaling Protein	date	Jul 10, 1999
title	N-Terminal Domain, Voltage-Gated Potassium Channel Kv1.2 Res 119
authors	D.L.Minor Jr., Y.F.Lin, B.C.Mobley, A.Avelar, Y.N.Jan, L.Y.Jan, J
compound		source
Molecule: Kv1.2 Voltage-Gated Potassium Channel Chain: A, B, C, D, E, F, G, H Fragment: N-Terminal Domain Kv1.2, Residues 33-119 (Core) 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 0.223 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.260 78.740 125.320 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
related structures	by homologous chain: 1EOF, 1EXB
Gene Ontology	Chain Function Process Component F, A, E, B, H, C, D, G
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] (131 Kb) [Save to disk] Biological Unit Coordinates (1qdw.pdb1.gz) 64 Kb Biological Unit Coordinates (1qdw.pdb2.gz) 65 Kb CSU: Contacts of Structural Units for 1QDW Likely Quarternary Molecular Structure file(s) for 1QDW Retrieve 1QDW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QDW from S2C, [Save to disk]

View 1QDW 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 1QDW

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QDW, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qdwa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qdwb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qdwc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1qdwd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1qdwe_, region E [Jmol] [rasmolscript] [script source]     - Domain d1qdwf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1qdwg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1qdwh_, region H [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: [1qdw_E] [1qdw_D] [1qdw] [1qdw_H] [1qdw_F] [1qdw_C] [1qdw_G] [1qdw_A] [1qdw_B] SWISS-PROT database: [P63142] Domain organization of [KCNA2_RAT] by SWISSPFAM Domain found in 1QDW: [BTB ] by SMART

Other resources with information on 1QDW

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

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