4X4M Immune System date Dec 03, 2014
title Structure Of Fcgammari In Complex With Fc Reveals The Import Glycan Recognition For High Affinity Igg Binding
authors J.Lu, P.D.Sun
compound source
Molecule: Ig Gamma-1 Chain C Region
Chain: A, B, C, D
Fragment: Ch2 And Ch3 Regions, Residues 112-330
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ighg1
Expression_system: Cricetulus Griseus
Expression_system_common: Chinese Hamster
Expression_system_taxid: 10029

Molecule: High Affinity Immunoglobulin Gamma Fc Receptor I
Chain: E, F
Fragment: Extracellular Residues 21-289
Synonym: Igg Fc Receptor I,Fc-Gamma Ri,Fcri,Fc-Gamma Ria,Fc
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Fcgr1a, Fcg1, Fcgr1, Igfr1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1
R_factor 0.245 R_Free 0.296
crystal
cell
length a length b length c angle alpha angle beta angle gamma
59.921 67.991 125.028 89.86 112.25 89.96
method X-Ray Diffractionresolution 3.49 Å
ligand BMA, FUL, GAL, MAN, NAG, SIA enzyme
Primary referenceStructure of FcgammaRI in complex with Fc reveals the importance of glycan recognition for high-affinity IgG binding., Lu J, Chu J, Zou Z, Hamacher NB, Rixon MW, Sun PD, Proc Natl Acad Sci U S A. 2015 Jan 20;112(3):833-8. doi: 10.1073/pnas.1418812112., Epub 2015 Jan 5. PMID:25561553
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (247 Kb) [Save to disk]
  • Biological Unit Coordinates (4x4m.pdb1.gz) 121 Kb
  • Biological Unit Coordinates (4x4m.pdb2.gz) 121 Kb
  • LPC: Ligand-Protein Contacts for 4X4M
  • CSU: Contacts of Structural Units for 4X4M
  • Structure Factors (340 Kb)
  • Retrieve 4X4M in mmCIF format [Save to disk]
  • Re-refined 4x4m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4X4M 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 4X4M
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 4X4M, from MSDmotif at EBI
  • Fold representative 4x4m from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4x4m_D] [4x4m_E] [4x4m_B] [4x4m_F] [4x4m] [4x4m_C] [4x4m_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4X4M: [IG_like] [IGc1] [IGc2 ] by SMART
  • Other resources with information on 4X4M
  • Community annotation for 4X4M at PDBWiki (http://pdbwiki.org)

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