2FF6	Structural Protein Contractile Protein	date	Dec 19, 2005
title	Crystal Structure Of Gelsolin Domain 1:Ciboulot Domain 2 Hybrid In Complex With Actin
authors	A.H.Aguda, B.Xue, R.C.Robinson
compound		source
Molecule: Gelsolin Chain: G Fragment: Gelsolin Domain 1 Synonym: Actin-Depolymerizing Factor, Adf, Brevin, Agel Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phis8-3
Molecule: Cg4944-Pc, Isoform C Chain: H Fragment: Ciboulot Domain 2 Engineered: Yes		Organism_scientific: Drosophila Melanogaster Organism_common: Fruit Fly Organism_taxid: 7227 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phis8-3
Molecule: Actin, Alpha Skeletal Muscle Chain: A Synonym: Alpha-Actin-1		Organism_scientific: Oryctolagus Cuniculus Organism_common: Rabbit Organism_taxid: 9986 Tissue: Skeletal Muscle
symmetry	Space Group: P 1 21 1	R_factor 0.202 R_Free 0.237
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.221 69.373 79.650 90.00 95.10 90.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand	ATP, CA	enzyme
Gene Ontology	Chain Function Process Component A nucleotide binding protein binding ATP binding skeletal muscle thin filamen... skeletal muscle fiber develo... stress fiber cytoplasm cytoskeleton striated muscle thin filamen... actin filament G actin binding
Primary reference	The Structural Basis of Actin Interaction with Multiple WH2/beta-Thymosin Motif-Containing Proteins., Aguda AH, Xue B, Irobi E, Preat T, Robinson RC, Structure. 2006 Mar;14(3):469-76. PMID:16531231

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (2ff6.pdb1.gz) 86 Kb LPC: Ligand-Protein Contacts for 2FF6 CSU: Contacts of Structural Units for 2FF6 Likely Quarternary Molecular Structure file(s) for 2FF6 Structure Factors (289 Kb) Retrieve 2FF6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2FF6 from S2C, [Save to disk] Re-refined 2ff6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2FF6 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2FF6

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2FF6, from MSDmotif at EBI Fold representative 2ff6 from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ff6_A] [2ff6_G] [2ff6_H] SWISS-PROT database: [P68135] [P06396] [Q8IRS7] Domain organization of [ACTS_RABIT] [GELS_HUMAN] [Q8IRS7_DROME] by SWISSPFAM Domains found in 2FF6: [ACTIN] [GEL ] by SMART Alignments of the sequence of 2FF6 with the sequences similar proteins can be viewed for 2FF6's classification [ACTS_RABIT] [GELS_HUMAN] [Q8IRS7_DROME] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [ACTS_RABIT] [GELS_HUMAN] [Q8IRS7_DROME] at ProtoMap. Click on the Cluster number.

Other resources with information on 2FF6

Community annotation for 2FF6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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