4KPP	Membrane Protein	date	May 14, 2013
title	Crystal Structure Of H+Ca2+ Exchanger Cax
authors	T.Nishizawa, R.Ishitani, O.Nureki
compound		source
Molecule: Putative Uncharacterized Protein Chain: A, B Synonym: Membrane Transporter Engineered: Yes		Organism_scientific: Archaeoglobus Fulgidus Organism_taxid: 224325 Strain: Atcc 49558 Vc-16 Dsm 4304 Jcm 9628 Nbrc 100 Gene: Af0251, Af_0251 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: C41 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22c
symmetry	Space Group: P 1 21 1	R_factor 0.202 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.954 97.386 71.233 90.00 99.37 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CA, GLC, OLA, OLB	enzyme
Gene	AF
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural Basis for the Counter-Transport Mechanism of a H+/Ca2+ Exchanger., Nishizawa T, Kita S, Maturana AD, Furuya N, Hirata K, Kasuya G, Ogasawara S, Dohmae N, Iwamoto T, Ishitani R, Nureki O, Science. 2013 May 23. PMID:23704374

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (249 Kb) [Save to disk] Biological Unit Coordinates (4kpp.pdb1.gz) 123 Kb Biological Unit Coordinates (4kpp.pdb2.gz) 122 Kb LPC: Ligand-Protein Contacts for 4KPP CSU: Contacts of Structural Units for 4KPP Structure Factors (242 Kb) Retrieve 4KPP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4KPP from S2C, [Save to disk] Re-refined 4kpp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4KPP 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 4KPP

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 4KPP, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4kpp_A] [4kpp_B] [4kpp] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 4KPP

Community annotation for 4KPP at PDBWiki (http://pdbwiki.org)

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