1EQY	Contractile Protein	date	Apr 06, 2000
title	Complex Between Rabbit Muscle Alpha-Actin: Human Gelsolin Domain 1
authors	P.J.Mclaughlin, J.T.Gooch, H.G.Mannherz, A.G.Weeds
compound		source
Molecule: Gelsolin Chain: S Fragment: Domain 1 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Plasma Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pmw172
Molecule: Alpha Actin Chain: A		Organism_scientific: Oryctolagus Cuniculus Organism_common: Rabbit Organism_taxid: 9986 Tissue: Muscle
symmetry	Space Group: P 21 21 21	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.330 70.880 183.580 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	ATP, CA, HIC	enzyme
related structures	by homologous chain: 1DEJ, 1MDU, 1RDW
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 S actin binding
Primary reference	Structure of gelsolin segment 1-actin complex and the mechanism of filament severing., McLaughlin PJ, Gooch JT, Mannherz HG, Weeds AG, Nature 1993 Aug 19;364(6439):685-92. PMID:8395021

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1eqy.pdb1.gz) 93 Kb LPC: Ligand-Protein Contacts for 1EQY CSU: Contacts of Structural Units for 1EQY Likely Quarternary Molecular Structure file(s) for 1EQY Retrieve 1EQY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EQY from S2C, [Save to disk]

View 1EQY 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 1EQY

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 1EQY, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1eqya2, region A:147-375 [Jmol] [rasmolscript] [script source]     - Domain d1eqya1, region A:6-146 [Jmol] [rasmolscript] [script source]     - Domain d1eqys_, region S [Jmol] [rasmolscript] [script source] Fold representative 1eqy from FSSP and Dali (Families of Structurally Similar Proteins) Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1eqy_A] [1eqy_S] SWISS-PROT database: [P68135] [P06396] Domain organization of [ACTS_RABIT] [GELS_HUMAN] by SWISSPFAM Domains found in 1EQY: [ACTIN] [GEL ] by SMART Alignments of the sequence of 1EQY with the sequences similar proteins can be viewed for 1EQY's classification [ACTS_RABIT] [GELS_HUMAN] 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] at ProtoMap. Click on the Cluster number.

Other resources with information on 1EQY

Community annotation for 1EQY at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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