4APS

Crystal structure of a POT family peptide transporter in an inward open conformation.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.289
  • R-Value Work: 0.272

Literature

Macromolecules
Sequence Display for 4APS

Classification: TRANSPORT PROTEIN

Total Structure Weight: 107555.81

Macromolecule Entities
Molecule Chains Length Organism Details
DI-OR TRIPEPTIDE H+ SYMPORTER A, B 491 Streptococcus thermophilus Gene Name(s): dtpT stu0970
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Major Facilitator Superfamily (MFS) Transporters

Protein Name: PepTSt Oligopeptide-proton symporter (POT family)


Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CD
Query on CD

B CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.289
  • R-Value Work: 0.272
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 89.39 α = 90.00
b = 112.99 β = 90.00
c = 215.49 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-04-05
  • Released Date: 2012-06-13
  • Deposition author(s): Solcan, N., Kwok, J., Fowler, P.W., Cameron, A.D., Drew, D., Iwata, S., Newstead, S.

Revision History

  • 2012-10-31
    Type: Other | Details: MTRIX2, MTRIX3, MTRIX1
  • 2012-08-29
    Type: Citation | Details: JRNL