3EK8	Fluorescent Protein	date	Sep 19, 2008
title	Calcium-Saturated Gcamp2 T116vg87r Mutant Monomer
authors	J.Akerboom, J.D.Velez Rivera, L.L.Looger, E.R.Schreiter
compound		source
Molecule: Myosin Light Chain Kinase, Green Fluorescent Prot Calmodulin Chimera; Chain: A Engineered: Yes Mutation: Yes		Organism_scientific: Artificial Gene, Aequorea Victoria, Ra Norvegicus; Organism_common: Jellyfish, Rat Organism_taxid: 32630, 6100, 10116 Gene: Gfp, Calm1, Calm, Cam, Cam1, Cami Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Prseta
symmetry	Space Group: P 41 21 2	R_factor 0.224 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 120.800 120.800 97.350 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	CA, CRO	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal Structures of the GCaMP Calcium Sensor Reveal the Mechanism of Fluorescence Signal Change and Aid Rational Design., Akerboom J, Rivera JD, Guilbe MM, Malave EC, Hernandez HH, Tian L, Hires SA, Marvin JS, Looger LL, Schreiter ER, J Biol Chem. 2009 Mar 6;284(10):6455-64. Epub 2008 Dec 18. PMID:19098007

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk] Biological Unit Coordinates (3ek8.pdb1.gz) 64 Kb LPC: Ligand-Protein Contacts for 3EK8 CSU: Contacts of Structural Units for 3EK8 Likely Quarternary Molecular Structure file(s) for 3EK8 Structure Factors (141 Kb) Retrieve 3EK8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3EK8 from S2C, [Save to disk] Re-refined 3ek8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3EK8 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 3EK8

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 3EK8, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ek8_A] [3ek8] SWISS-PROT database: [P62161] [P42212] Domain organization of [CALM_RAT] [GFP_AEQVI] by SWISSPFAM Domain found in 3EK8: [EFh ] by SMART

Other resources with information on 3EK8

Community annotation for 3EK8 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

---