3B4V Hormone Regulator Complex date Oct 24, 2007
title X-Ray Structure Of Activin In Complex With Fstl3
authors T.B.Thompson
compound source
Molecule: Inhibin Beta A Chain
Chain: A, B, E, F
Synonym: Activin Beta-A Chain, Erythroid Differentiation Pr Edf;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Strain: Hek293f
Gene: Inhba
Expression_system: Homo Sapiens
Expression_system_taxid: 9606

Molecule: Follistatin-Like 3
Chain: C, D, G, H
Synonym: Follistatin-Related Protein 3, Follistatin-Related Protein;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Strain: Hek293f
Gene: Fstl3, Flrg
Expression_system: Homo Sapiens
Expression_system_taxid: 9606
symmetry Space Group: P 1
R_factor 0.227 R_Free 0.279
length a length b length c angle alpha angle beta angle gamma
63.613 71.384 100.203 98.55 90.64 90.11
method X-Ray Diffractionresolution 2.48 Å
ligand EDO, NAG, SO4 enzyme
F, A, E, B

H, C, D, G

Primary referenceThe structure of FSTL3.activin A complex. Differential binding of N-terminal domains influences follistatin-type antagonist specificity., Stamler R, Keutmann HT, Sidis Y, Kattamuri C, Schneyer A, Thompson TB, J Biol Chem. 2008 Nov 21;283(47):32831-8. Epub 2008 Sep 2. PMID:18768470
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (208 Kb) [Save to disk]
  • Biological Unit Coordinates (3b4v.pdb1.gz) 102 Kb
  • Biological Unit Coordinates (3b4v.pdb2.gz) 101 Kb
  • LPC: Ligand-Protein Contacts for 3B4V
  • CSU: Contacts of Structural Units for 3B4V
  • Likely Quarternary Molecular Structure file(s) for 3B4V
  • Structure Factors (1026 Kb)
  • Retrieve 3B4V in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3B4V from S2C, [Save to disk]
  • Re-refined 3b4v structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3B4V 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 3B4V
  • 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 3B4V, from MSDmotif at EBI
  • Fold representative 3b4v from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3b4v] [3b4v_D] [3b4v_B] [3b4v_E] [3b4v_A] [3b4v_C] [3b4v_F] [3b4v_G] [3b4v_H]
  • SWISS-PROT database: [O95633] [P08476]
  • Domain organization of [FSTL3_HUMAN] [INHBA_HUMAN] by SWISSPFAM
  • Domains found in 3B4V: [FOLN] [KAZAL] [TGFB ] by SMART
  • Other resources with information on 3B4V
  • Community annotation for 3B4V 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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