4FFW

Crystal Structure of Dipeptidyl Peptidase IV (DPP4, DPP-IV, CD26) in Complex with Fab + sitagliptin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.311 
  • R-Value Work: 0.287 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

An Inhibitory Antibody Against DPP IV Improves Glucose Tolerance in vivo - Validation of Large Molecule Approach for DPP IV Inhibition

Tang, J.Majeti, J.Sudom, A.Xiong, Y.Lu, M.Liu, Q.Higbee, J.Zhang, Y.Wang, Y.Wang, W.Cao, P.Xia, Z.Johnstone, S.Yang, X.Yu, T.Sharkov, N.Walker, N.Tu, H.Shen, W.Wang, Z.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Dipeptidyl peptidase 4
A, B
730Rattus norvegicusMutation(s): 0 
Gene Names: Dpp4 (Cd26)
EC: 3.4.14.5
Find proteins for P14740 (Rattus norvegicus)
Go to UniProtKB:  P14740
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Fab light chain
C, L
210N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
Fab heavy chain
D, H
217N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
715
Query on 715

Download SDF File 
Download CCD File 
A, B
(2R)-4-OXO-4-[3-(TRIFLUOROMETHYL)-5,6-DIHYDRO[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL]-1-(2,4,5-TRIFLUOROPHENYL)BUTAN-2-AMINE
Sitagliptin
C16 H15 F6 N5 O
MFFMDFFZMYYVKS-SECBINFHSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
715IC50: 3.5 - 110 nM (84) BINDINGDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.311 
  • R-Value Work: 0.287 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 97.770α = 90.00
b = 200.860β = 93.64
c = 97.930γ = 90.00
Software Package:
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction
SCALAdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2012-12-12
    Type: Initial release
  • Version 1.1: 2018-06-06
    Type: Data collection