2QT9

Human dipeptidyl peptidase iv/cd26 in complex with a 4-aryl cyclohexylalanine inhibitor

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.190 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 2.2 of the entry. See complete history. 



Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Dipeptidyl peptidase 4
A, B
766Homo sapiensMutation(s): 1 
Gene Names: DPP4, ADCP2, CD26
EC: 3.4.14.5
UniProt & NIH Common Fund Data Resources
Find proteins for P27487 (Homo sapiens)
Explore P27487 
Go to UniProtKB:  P27487
PHAROS:  P27487
GTEx:  ENSG00000197635 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP27487
Sequence Annotations
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  • Reference Sequence
Oligosaccharides

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Entity ID: 2
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoseC [auth L],
F [auth O]		2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G07375KG
GlyCosmos:  G07375KG
GlyGen:  G07375KG
Entity ID: 3
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
D [auth M],
E [auth N],
G [auth P],
H [auth Q],
I [auth R],
D [auth M],
E [auth N],
G [auth P],
H [auth Q],
I [auth R],
J [auth S],
K [auth T]
2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT
GlyCosmos:  G42666HT
GlyGen:  G42666HT
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
524
Query on 524
Download Ideal Coordinates CCD File 
P [auth A],
T [auth B]		(2S,3S)-3-AMINO-4-[(3S)-3-FLUOROPYRROLIDIN-1-YL]-N,N-DIMETHYL-4-OXO-2-(TRANS-4-[1,2,4]TRIAZOLO[1,5-A]PYRIDIN-5-YLCYCLOH EXYL)BUTANAMIDE
C22 H31 F N6 O2
ZPWDKZWKUOYOHA-UKSSEWCLSA-N
NAG
Query on NAG
Download Ideal Coordinates CCD File 
L [auth A]
M [auth A]
N [auth A]
Q [auth B]
R [auth B]
L [auth A],
M [auth A],
N [auth A],
Q [auth B],
R [auth B],
S [auth B]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
NA
Query on NA
Download Ideal Coordinates CCD File 
O [auth A]SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
524 BindingDB:  2QT9 IC50: min: 2.3, max: 26 (nM) from 2 assay(s)
Binding MOAD:  2QT9 IC50: 2.3 (nM) from 1 assay(s)
PDBBind:  2QT9 IC50: 2.3 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.190 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 117.697α = 90
b = 126.072β = 90
c = 136.97γ = 90
Software Package:
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
CNXphasing
CNXrefinement

Structure Validation

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Ligand Structure Quality Assessment 


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Entry History 

Deposition Data

  • Released Date: 2007-11-06 
    • Deposition Author(s): Scapin, G.

Revision History  (Full details and data files)

  • Version 1.0: 2007-11-06
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Non-polymer description, Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
  • Version 2.1: 2021-10-20
    Changes: Database references, Structure summary
  • Version 2.2: 2023-08-30
    Changes: Data collection, Refinement description