1B2G Hormone Growth Factor date Nov 26, 1998
title Ph Affects Glu B13 Switching And Sulfate Binding In Cubic Insulin Crystals (Ph 9.00 Coordinates)
authors J.S.Diao, D.L.D.Caspar
compound source
Molecule: Protein (Insulin A Chain)
Chain: A
Organism_scientific: Sus Scrofa
Organism_common: Pig
Organism_taxid: 9823
Organ: Pancreas

Molecule: Protein (Insulin B Chain)
Chain: B

Organism_scientific: Sus Scrofa
Organism_common: Pig
Organism_taxid: 9823
Organ: Pancreas
symmetry Space Group: I 21 3
R_factor 0.200 R_Free 0.226
length a length b length c angle alpha angle beta angle gamma
78.870 78.870 78.870 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
related structures by homologous chain: 1IMX, 1TYL, 2TCI


Primary referenceCrystallographic titration of cubic insulin crystals: pH affects GluB13 switching and sulfate binding., Diao J, Acta Crystallogr D Biol Crystallogr 2003 Apr;59(Pt 4):670-6. PMID:12657786
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (14 Kb) [Save to disk]
  • Biological Unit Coordinates (1b2g.pdb1.gz) 10 Kb
  • CSU: Contacts of Structural Units for 1B2G
  • Likely Quarternary Molecular Structure file(s) for 1B2G
  • Structure Factors (90 Kb)
  • Retrieve 1B2G in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1B2G from S2C, [Save to disk]
  • Re-refined 1b2g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1B2G in 3D
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  • 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 1B2G, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1b2g.1, region B:,A [Jmol] [rasmolscript] [script source]
  • Fold representative 1b2g from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1b2g] [1b2g_A] [1b2g_B]
  • SWISS-PROT database: [P01315]
  • Domain organization of [INS_PIG] by SWISSPFAM
  • Domain found in 1B2G: [IlGF ] by SMART
  • Other resources with information on 1B2G
  • Community annotation for 1B2G at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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