3T4A Immune System date Jul 25, 2011
title Structure Of A Truncated Form Of Staphylococcal Complement I Bound To Human C3c At 3.4 Angstrom Resolution
authors B.L.Garcia, B.V.Geisbrecht, B.J.Summers
compound source
Molecule: Complement C3 Beta Chain
Chain: A, D
Fragment: C3c Beta Chain, Unp Residues 23-667
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: Human C3

Molecule: Complement C3c Alpha' Chain Fragment 1
Chain: B, E
Fragment: C3c Alpha' Chain Fragment 1, Unp Residues 749-954

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: Human C3

Molecule: Complement C3c Alpha' Chain Fragment 2
Chain: C, F
Fragment: C3c Alpha' Chain Fragment 2, Unp Residues 1321-16

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: Human C3

Molecule: Fibrinogen-Binding Protein
Chain: G, H
Fragment: Scin-B, Unp Residues 49-114
Engineered: Yes

Organism_scientific: Staphylococcus Aureus Subsp. Aureus
Organism_taxid: 158878
Strain: Mu50
Gene: Sav1159
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pt7hmt
symmetry Space Group: P 21 21 21
R_factor 0.229 R_Free 0.270
crystal
cell
length a length b length c angle alpha angle beta angle gamma
103.304 165.436 203.125 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.40 Å
Gene
Ontology
ChainFunctionProcessComponent
A, D


E, B


F, C


Primary referenceDiversity in the C3b Convertase Contact Residues and Tertiary Structures of the Staphylococcal Complement Inhibitor (SCIN) Protein Family., Garcia BL, Summers BJ, Lin Z, Ramyar KX, Ricklin D, Kamath DV, Fu ZQ, Lambris JD, Geisbrecht BV, J Biol Chem. 2012 Jan 2;287(1):628-40. Epub 2011 Nov 15. PMID:22086928
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (792 Kb) [Save to disk]
  • Biological Unit Coordinates (3t4a.pdb1.gz) 397 Kb
  • Biological Unit Coordinates (3t4a.pdb2.gz) 395 Kb
  • CSU: Contacts of Structural Units for 3T4A
  • Structure Factors (741 Kb)
  • Retrieve 3T4A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3T4A from S2C, [Save to disk]
  • Re-refined 3t4a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3T4A 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 3T4A
  • 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 3T4A, from MSDmotif at EBI
  • Fold representative 3t4a from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3t4a_H] [3t4a_D] [3t4a_E] [3t4a_F] [3t4a_A] [3t4a_G] [3t4a_B] [3t4a_C] [3t4a]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3T4A: [C345C ] by SMART
  • Other resources with information on 3T4A
  • Community annotation for 3T4A at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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