6CAA Transport Protein date Jan 29, 2018
title Cryoem Structure Of Human Slc4a4 Sodium-Coupled Acid-Base Tr Nbce1
authors K.W.Huynh, J.Jiang, N.Abuladze, K.Tsirulnikov, L.Kao, X.Shao, D.Ne R.Azimov, A.Pushkin, Z.H.Zhou, I.Kurtz
compound source
Molecule: Electrogenic Sodium Bicarbonate Cotransporter 1
Chain: A, B
Synonym: Sodium Bicarbonate Cotransporter, Na(+)Hco3(-) Cotransporter, Solute Carrier Family 4 Member 4, Knbc1;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Variant: A
Organ: Kidney
Gene: Slc4a4, Nbc, Nbc1, Nbce1
Expression_system: Homo Sapiens
Expression_system_common: Human
Expression_system_taxid: 9606
Expression_system_cell_line: Hek293
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ptt
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 3.90 Å
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • inorganic anion exchanger ac...
  • anion transmembrane transpor...


  • Primary referenceCryoEM structure of the human SLC4A4 sodium-coupled acid-base transporter NBCe1., Huynh KW, Jiang J, Abuladze N, Tsirulnikov K, Kao L, Shao X, Newman D, Azimov R, Pushkin A, Zhou ZH, Kurtz I, Nat Commun. 2018 Mar 2;9(1):900. doi: 10.1038/s41467-018-03271-3. PMID:29500354
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (141 Kb) [Save to disk]
  • Biological Unit Coordinates (6caa.pdb1.gz) 133 Kb
  • CSU: Contacts of Structural Units for 6CAA
  • Retrieve 6CAA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 6CAA from S2C, [Save to disk]
  • View 6CAA 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 6CAA
  • 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: [6caa_A] [6caa_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 6CAA
  • Community annotation for 6CAA at PDBWiki (http://pdbwiki.org)

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