1S4Y Transferase date Jan 19, 2004
title Crystal Structure Of The Activinactriib Extracellular Domai
authors J.Greenwald, M.E.Vega, G.P.Allendorph, W.H.Fischer, W.Vale, S.Cho Center For Structural Genomics (Jcsg)
compound source
Molecule: Activin Receptor Type Iib Precursor
Chain: A, C
Fragment: Extracellular Domain
Synonym: Actr-Iib
Engineered: Yes
Organism_scientific: Mus Musculus
Organism_common: House Mouse
Organism_taxid: 10090
Gene: Acvr2b
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Inhibin Beta A Chain
Chain: B, D
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: Cricetulus Griseus
Expression_system_common: Chinese Hamster
Expression_system_taxid: 10029
Expression_system_vector_type: Baculovirus
symmetry Space Group: P 21 21 2
R_factor 0.206 R_Free 0.286
length a length b length c angle alpha angle beta angle gamma
86.290 120.627 43.550 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
enzyme Transferase E.C. BRENDA
related structures by homologous chain: 1BTE
A, C

D, B

Primary referenceA flexible activin explains the membrane-dependent cooperative assembly of tgf-Beta family receptors., Greenwald J, Vega ME, Allendorph GP, Fischer WH, Vale W, Choe S, Mol Cell 2004 Aug 13;15(3):485-9. PMID:15304227
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk]
  • Biological Unit Coordinates (1s4y.pdb1.gz) 67 Kb
  • CSU: Contacts of Structural Units for 1S4Y
  • Likely Quarternary Molecular Structure file(s) for 1S4Y
  • Structure Factors (131 Kb)
  • Retrieve 1S4Y in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1S4Y from S2C, [Save to disk]
  • Re-refined 1s4y structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1S4Y 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 1S4Y
  • 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 1S4Y, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1s4ya_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1s4yb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1s4yc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1s4yd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1s4y 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: [1s4y_C] [1s4y] [1s4y_D] [1s4y_B] [1s4y_A]
  • SWISS-PROT database: [P27040] [P08476]
  • Domain organization of [AVR2B_MOUSE] [INHBA_HUMAN] by SWISSPFAM
  • Domain found in 1S4Y: [TGFB ] by SMART
  • Other resources with information on 1S4Y
  • Community annotation for 1S4Y 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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