1EM7 Membrane Protein date Mar 16, 2000
title Helix Variant Of The B1 Domain From Streptococcal Protein G
authors P.Strop, A.M.Marinescu, S.L.Mayo
compound source
Molecule: Protein G
Chain: A
Fragment: B1 Domain
Engineered: Yes
Mutation: Yes
Organism_scientific: Streptococcus Sp.
Organism_taxid: 1306
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector: Pet-11
symmetry Space Group: P 4 21 2
R_factor 0.235 R_Free 0.267
crystal
cell
length a length b length c angle alpha angle beta angle gamma
52.610 52.610 44.590 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
related structures by homologous chain: 1PGA, 1QKZ
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceStructure of a protein G helix variant suggests the importance of helix propensity and helix dipole interactions in protein design., Strop P, Marinescu AM, Mayo SL, Protein Sci 2000 Jul;9(7):1391-4. PMID:10933505
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (14 Kb) [Save to disk]
  • Biological Unit Coordinates (1em7.pdb1.gz) 10 Kb
  • CSU: Contacts of Structural Units for 1EM7
  • Likely Quarternary Molecular Structure file(s) for 1EM7
  • Retrieve 1EM7 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EM7 from S2C, [Save to disk]
  • View 1EM7 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 1EM7
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1EM7, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1em7a_, region A [Jmol] [rasmolscript] [script source]
  • 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: [1em7] [1em7_A]
  • SWISS-PROT database: [P06654]
  • Domain organization of [SPG1_STRSG] by SWISSPFAM
  • Other resources with information on 1EM7
  • Community annotation for 1EM7 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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