2I2R	Transport Protein	date	Aug 16, 2006
title	Crystal Structure Of The Kchip1kv4.3 T1 Complex
authors	F.Findeisen, M.Pioletti, D.L.Minor Jr.
compound		source
Molecule: Potassium Voltage-Gated Channel Subfamily D Membe Chain: A, B, C, D, I, J, K, L Fragment: N-Terminus And T1 Domain (Residues 1-143) Synonym: Voltage-Gated Potassium Channel Subunit Kv4.3 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: Kcnd3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21-De3 Plys-S Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28-Hmt
Molecule: Kv Channel-Interacting Protein 1 Chain: E, F, G, H, M, N, O, P Fragment: Conserved Structural Core (Residues 37-216) Synonym: Kchip1, A-Type Potassium Channel Modulatory Protei Potassium Channel-Interacting Protein 1, Vesicle Apc-Bindin Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Kcnip1, Kchip1, Vabp Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21-De3 Plys-S Expression_system_vector_type: Plasmid Expression_system_plasmid: Pegst
symmetry	Space Group: P 1	R_factor 0.237 R_Free 0.268
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.151 98.105 97.783 91.00 112.56 111.77
method	X-Ray Diffraction	resolution	3.35 Å
ligand	CA, NA, ZN	enzyme
Gene Ontology	Chain Function Process Component F, N, E, M, O, P, H, G K, C, L, A, J, B, D, I
Primary reference	Three-dimensional structure of the KChIP1-Kv4.3 T1 complex reveals a cross-shaped octamer., Pioletti M, Findeisen F, Hura GL, Minor DL Jr, Nat Struct Mol Biol. 2006 Nov;13(11):987-995. Epub 2006 Oct 22. PMID:17057713

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (393 Kb) [Save to disk] Biological Unit Coordinates (2i2r.pdb1.gz) 191 Kb Biological Unit Coordinates (2i2r.pdb2.gz) 191 Kb Biological Unit Coordinates (2i2r.pdb3.gz) 375 Kb LPC: Ligand-Protein Contacts for 2I2R CSU: Contacts of Structural Units for 2I2R Likely Quarternary Molecular Structure file(s) for 2I2R Structure Factors (307 Kb) Retrieve 2I2R in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2I2R from S2C, [Save to disk] Re-refined 2i2r structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2I2R 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 2I2R

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2I2R, from MSDmotif at EBI Fold representative 2i2r from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2i2r_H] [2i2r_C] [2i2r_I] [2i2r_P] [2i2r_E] [2i2r_B] [2i2r_N] [2i2r_F] [2i2r_G] [2i2r_O] [2i2r_K] [2i2r_A] [2i2r_M] [2i2r_D] [2i2r] [2i2r_J] [2i2r_L] SWISS-PROT database: [Q9NZI2] [Q62897] Domain organization of [KCIP1_HUMAN] [KCND3_RAT] by SWISSPFAM Domains found in 2I2R: [BTB] [EFh ] by SMART

Other resources with information on 2I2R

Community annotation for 2I2R at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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