5EIK

Structure of a Trimeric Intracellular Cation channel from C. elegans in the absence of Ca2+


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.214 

wwPDB Validation 3D Report Full Report


This is version 1.0 of the entry. See complete history

Literature

Pore architecture of TRIC channels and insights into their gating mechanism

Yang, H.T.Hu, M.H.Guo, J.L.Ou, X.M.Cai, T.X.Liu, Z.F.

(2016) Nature --: --


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Uncharacterized protein Y57A10A.28
A
258Caenorhabditis elegansMutation(s): 0 
Gene Names: tric-1B.2
Membrane protein
mpstruct
Group: 
TRANSMEMBRANE PROTEINS: ALPHA-HELICAL
Sub Group: 
Channels: Potassium, Sodium, & Proton Ion-Selective
Protein: 
Trimeric intracellular cation (TRIC) channel, B1 isoform with bound Ca2+
Find proteins for Q9NA73 (Caenorhabditis elegans)
Go to UniProtKB:  Q9NA73
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PT5
Query on PT5

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A
(1S)-2-{[(R)-hydroxy{[(1R,2R,3S,4R,5R,6S)-2,3,6-trihydroxy-4,5-bis(phosphonooxy)cyclohexyl]oxy}phosphoryl]oxy}-1-[(octadecanoyloxy)methyl]ethyl (8E,11E)-icosa-5,8,11,14-tetraenoate
Phosphatidylinositol 4,5-bisphosphate; PtdIns(4,5)P2
C47 H85 O19 P3
CNWINRVXAYPOMW-IJHFYCNNSA-N
 Ligand Interaction
DMU
Query on DMU

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A
DECYL-BETA-D-MALTOPYRANOSIDE
DECYLMALTOSIDE
C22 H42 O11
WOQQAWHSKSSAGF-WXFJLFHKSA-N
 Ligand Interaction
ACT
Query on ACT

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A
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
CPL
Query on CPL

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A
1-PALMITOYL-2-LINOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE
PALMITOYL-LINOLEOYL PHOSPHATIDYLCHOLINE
C42 H80 N O8 P
JLPULHDHAOZNQI-ZTIMHPMXSA-N
 Ligand Interaction
MG
Query on MG

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Download CCD File 
A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.214 
  • Space Group: H 3 2
Unit Cell:
Length (Å)Angle (°)
a = 126.340α = 90.00
b = 126.340β = 90.00
c = 135.570γ = 120.00
Software Package:
Software NamePurpose
SCALAdata scaling
CNSrefinement
MOSFLMdata reduction
PHASERphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National 973 projectChina2014CB910301
Chinese Academy of SciencesChinaXDB08020302

Revision History 

  • Version 1.0: 2016-10-05
    Type: Initial release