2ARV Hormone Growth Factor date Aug 22, 2005
title Structure Of Human Activin A
authors A.E.Harrington, S.A.Morris-Triggs, B.T.Ruotolo, C.V.Robinson, S. M.Hyvonen
compound source
Molecule: Inhibin Beta A Chain
Chain: A, B
Synonym: Activin Beta-A Chain, Erythroid Differentiation Pr Edf;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Inhba
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pbat4
symmetry Space Group: I 2 2 2
R_factor 0.216 R_Free 0.259
length a length b length c angle alpha angle beta angle gamma
63.572 96.247 118.038 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand 1PG, GOL, SO4 enzyme
A, B

Primary referenceStructural basis for the inhibition of activin signalling by follistatin., Harrington AE, Morris-Triggs SA, Ruotolo BT, Robinson CV, Ohnuma S, Hyvonen M, EMBO J. 2006 Mar 8;25(5):1035-45. Epub 2006 Feb 16. PMID:16482217
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk]
  • Biological Unit Coordinates (2arv.pdb1.gz) 39 Kb
  • LPC: Ligand-Protein Contacts for 2ARV
  • CSU: Contacts of Structural Units for 2ARV
  • Likely Quarternary Molecular Structure file(s) for 2ARV
  • Structure Factors (189 Kb)
  • Retrieve 2ARV in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ARV from S2C, [Save to disk]
  • Re-refined 2arv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2ARV 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 2ARV
  • 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 2ARV, from MSDmotif at EBI
  • Fold representative 2arv from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2arv] [2arv_B] [2arv_A]
  • SWISS-PROT database: [P08476]
  • Domain organization of [INHBA_HUMAN] by SWISSPFAM
  • Domain found in 2ARV: [TGFB ] by SMART
  • Other resources with information on 2ARV
  • Community annotation for 2ARV 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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