3Q0T

Crystal structure of human dpp-iv in complex withsa-(+)- methyl2-(3-(aminomethyl)-4-(2,4-dichlorophenyl)-2-methyl- 7-oxo-5h-pyrrolo[3,4-b]pyridin-6(7h)-yl)acetate

• PDB DOI: https://doi.org/10.2210/pdb3Q0T/pdb

• Classification: hydrolase/hydrolase inhibitor
• Organism(s): Homo sapiens
• Expression System: Komagataella pastoris
• Mutation(s): No 


• Deposited: 2010-12-16 Released: 2012-02-29 
• Deposition Author(s): Klei, H.E.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.260 
• R-Value Work: 0.202 
• R-Value Observed: 0.205 

Starting Model: experimental

Literature

Discovery of 7-oxo-pyrrolopyridines as potent and selective inhibitors of dpp4

Wang, W., Devasthale, P., Wang, A., Egan, D., Morgan, N., Cap, M., Fura, A., Klei, H.E., Kish, K., Sun, L., Levesque, P., Zahler, R., Kirby, M., Hamann, L.G.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 178.75 kDa 
• Atom Count: 12,467 
• Modelled Residue Count: 1,454 
• Deposited Residue Count: 1,506 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dipeptidyl peptidase 4	A, B	753	Homo sapiens	Mutation(s): 0  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
Glycosylation
Glycosylation Sites: 5		Go to GlyGen: P27487-1

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C, D	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
LGE	J [auth A], P [auth B]	methyl [3-(aminomethyl)-4-(2,4-dichlorophenyl)-2-methyl-7-oxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl]acetate C18 H17 Cl2 N3 O3 ZPJLWUGRTVIDEI-UHFFFAOYSA-N
NAG	E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], K [auth B], L [auth B], M [auth B], N [auth B], O [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
LGE	BindingDB:  3Q0T	Ki: min: 2.7, max: 76 (nM) from 2 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.260 
• R-Value Work: 0.202 
• R-Value Observed: 0.205 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.686	α = 90
b = 67.569	β = 90
c = 420.978	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-02-29 
Deposition Author(s): Klei, H.E.

Revision History  

• Version 1.0: 2012-02-29
  Type: Initial release
  
• Version 1.1: 2013-02-27
  Changes: Non-polymer description
• Version 1.2: 2017-11-08
  Changes: Advisory, Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2023-09-13
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 2.2: 2024-11-06
  Changes: Structure summary