2A55 Immune System date Jun 30, 2005
title Solution Structure Of The Two N-Terminal Ccp Modules Of C4b- Protein (C4bp) Alpha-Chain.
authors H.T.Jenkins, L.Mark, G.Ball, G.Lindahl, D.Uhrin, A.M.Blom, P.N.Bar
compound source
Molecule: C4b-Binding Protein
Chain: A
Fragment: Modules 1 And 2 Of C4bp Alpha-Chain, Residues 49-
Synonym: C4bp, Proline-Rich Protein, Prp
Engineered: Yes
 Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: C4bpa
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)Codonplus-Rp
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet16
methodSolution NMR
Primary referenceHuman C4b-binding Protein, Structural Basis for Interaction with Streptococcal M Protein, a Major Bacterial Virulence Factor., Jenkins HT, Mark L, Ball G, Persson J, Lindahl G, Uhrin D, Blom AM, Barlow PN, J Biol Chem. 2006 Feb 10;281(6):3690-7. Epub 2005 Dec 5. PMID:16330538
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1364 Kb) [Save to disk]
  • Biological Unit Coordinates (2a55.pdb1.gz) 34 Kb
  • CSU: Contacts of Structural Units for 2A55
  • Original NMR restraints for 2A55 from PDB
  • Retrieve 2A55 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2A55 from S2C, [Save to disk]
    • View 2A55 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 2A55
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2A55, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2a55_A] [2a55]
  • SWISS-PROT database: [P04003]
  • Domain organization of [C4BPA_HUMAN] by SWISSPFAM
  • Domain found in 2A55: [CCP ] by SMART
    • Other resources with information on 2A55
  • Community annotation for 2A55 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
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