2H8P	Membrane Protein	date	Jun 07, 2006
title	Structure Of A K Channel With An Amide To Ester Substitution Selectivity Filter
authors	F.I.Valiyaveetil, R.Mackinnon, T.W.Muir
compound		source
Molecule: Fab Heavy Chain Chain: A Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Fab Light Chain Chain: B Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Kcsa Channel Chain: C Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630 Other_details: The Peptide Was Synthesized By The Expressed Ligation Reaction Between A Recombinant Peptide Thioester A Synthetic Peptide Consisting Of A N-Terminal Cysteine.
symmetry	Space Group: I 4	R_factor 0.233 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 155.884 155.884 75.524 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.25 Å
ligand	B3H, GOA, K	enzyme
Gene Ontology	Chain Function Process Component B
Primary reference	Structural and Functional Consequences of an Amide-to-Ester Substitution in the Selectivity Filter of a Potassium Channel., Valiyaveetil FI, Sekedat M, Mackinnon R, Muir TW, J Am Chem Soc. 2006 Sep 6;128(35):11591-9. PMID:16939283

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (2h8p.pdb1.gz) 332 Kb LPC: Ligand-Protein Contacts for 2H8P CSU: Contacts of Structural Units for 2H8P Likely Quarternary Molecular Structure file(s) for 2H8P Structure Factors (369 Kb) Retrieve 2H8P in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2H8P from S2C, [Save to disk] Re-refined 2h8p structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2H8P 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 2H8P

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 2H8P, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2h8p_D] [2h8p_C] [2h8p_B] [2h8p] [2h8p_A] SWISS-PROT database: [P01837] [P0A334] Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB. Domain organization of [IGKC_MOUSE] [KCSA_STRLI] by SWISSPFAM Domains found in 2H8P: [IG_like] [IGv ] by SMART

Other resources with information on 2H8P

Community annotation for 2H8P 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

---