6LX3 Immune System date Feb 10, 2020
title Cryo-Em Structure Of Human Secretory Immunoglobulin A
authors Y.Wang, G.Wang, Y.Li, J.Xiao
compound source
Molecule: Interleukin-2,Immunoglobulin Heavy Constant Alpha
Chain: A, B, C, D
Synonym: Il-2,T-Cell Growth Factor,Tcgf,Ig Alpha-1 Chain C Alpha-1 Chain C Region Bur,Ig Alpha-1 Chain C Region Tro;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Il2, Igha1
Expression_system: Homo Sapiens
Expression_system_taxid: 9606

Molecule: Immunoglobulin J Chain
Chain: J
Synonym: Joining Chain Of Multimeric Iga And Igm
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Jchain, Igcj, Igj
Expression_system: Homo Sapiens
Expression_system_taxid: 9606

Molecule: Polymeric Immunoglobulin Receptor
Chain: P
Synonym: Poly-Ig Receptor,Hepatocellular Carcinoma-Associat Tb6;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Pigr
Expression_system: Homo Sapiens
Expression_system_taxid: 9606
symmetry Space Group: P 1
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
1.000 1.000 1.000 90.00 90.00 90.00
method Electron Microscopyresolution 3.15 Å
Primary referenceStructural insights into secretory immunoglobulin A and its interaction with a pneumococcal adhesin., Wang Y, Wang G, Li Y, Zhu Q, Shen H, Gao N, Xiao J, Cell Res. 2020 May 12. pii: 10.1038/s41422-020-0336-3. doi:, 10.1038/s41422-020-0336-3. PMID:32398862
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (215 Kb) [Save to disk]
  • Biological Unit Coordinates (6lx3.pdb1.gz) 209 Kb
  • CSU: Contacts of Structural Units for 6LX3
  • Retrieve 6LX3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 6LX3 from S2C, [Save to disk]
  • View 6LX3 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 6LX3
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [6lx3_B] [6lx3_J] [6lx3_P] [6lx3_A] [6lx3_C] [6lx3_D]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 6LX3
  • Community annotation for 6LX3 at PDBWiki (http://pdbwiki.org)

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