1D4X Contractile Protein date Oct 06, 1999
title Crystal Structure Of Caenorhabditis Elegans Mg-Atp Actin Complexed With Human Gelsolin Segment 1 At 1.75 A Resolution.
authors S.Vorobiev, S.Ono, S.C.Almo
compound source
Molecule: C. Elegans Actin 13
Chain: A
Engineered: Yes
Organism_scientific: Caenorhabditis Elegans
Organism_taxid: 6239
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_vector: Pmw172

Molecule: Gelsolin
Chain: G
Fragment: Segment 1
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 1 2 1
R_factor 0.199 R_Free 0.233
length a length b length c angle alpha angle beta angle gamma
177.820 68.989 56.593 90.00 104.15 90.00
method X-Ray Diffractionresolution 1.75 Å
ligand ATP, CA, MG, SO2, SO4 enzyme
related structures by homologous chain: 1NM1, 1QZ6


Primary referenceThe structure of nonvertebrate actin: implications for the ATP hydrolytic mechanism., Vorobiev S, Strokopytov B, Drubin DG, Frieden C, Ono S, Condeelis J, Rubenstein PA, Almo SC, Proc Natl Acad Sci U S A 2003 May 13;100(10):5760-5. PMID:12732734
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (95 Kb) [Save to disk]
  • Biological Unit Coordinates (1d4x.pdb1.gz) 90 Kb
  • Biological Unit Coordinates (1d4x.pdb2.gz) 176 Kb
  • LPC: Ligand-Protein Contacts for 1D4X
  • CSU: Contacts of Structural Units for 1D4X
  • Likely Quarternary Molecular Structure file(s) for 1D4X
  • Retrieve 1D4X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1D4X from S2C, [Save to disk]
  • View 1D4X 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 1D4X
  • 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 1D4X, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1d4xa2, region A:147-375 [Jmol] [rasmolscript] [script source]
        - Domain d1d4xa1, region A:4-146 [Jmol] [rasmolscript] [script source]
        - Domain d1d4xg_, region G [Jmol] [rasmolscript] [script source]
  • Fold representative 1d4x 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: [1d4x_G] [1d4x] [1d4x_A]
  • SWISS-PROT database: [P10983] [P06396]
  • Domain organization of [ACT1_CAEEL] [GELS_HUMAN] by SWISSPFAM
  • Domains found in 1D4X: [ACTIN] [GEL ] by SMART
  • Other resources with information on 1D4X
  • Community annotation for 1D4X at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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