5J3J

Crystal Structure of human DPP-IV in complex with HL1

• PDB DOI: https://doi.org/10.2210/pdb5J3J/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2016-03-31 Released: 2017-04-05 
• Deposition Author(s): Wu, F., Li, H., Zhao, Z., Zhu, L., Xu, H., Li, S.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 
  0.298 (Depositor), 0.294 (DCC) 
• R-Value Work: 
  0.235 (Depositor), 0.236 (DCC) 
• R-Value Observed: 
  0.238 (Depositor) 

Literature

Crystal Structure of human DPP-IV in complex with HL1

Wu, F., Li, H., Zhao, Z., Zhu, L., Xu, H., Li, S.

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: 172.45 kDa 
• Atom Count: 12,141 
• Modelled Residue Count: 1,454 
• Deposited Residue Count: 1,468 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dipeptidyl peptidase 4	A, B	734	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: 1		Go to GlyGen: P27487-1

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	4		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G99218JM GlyCosmos:  G99218JM GlyGen:  G99218JM

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HL1	D [auth A], F [auth B]	(2~{S},3~{R})-8,9-dimethoxy-3-[2,4,5-tris(fluoranyl)phenyl]-2,3-dihydro-1~{H}-benzo[f]chromen-2-amine C21 H18 F3 N O3 NXPAPTOHRVIGJL-LAUBAEHRSA-N
NAG	E [auth A], G [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
HL1	BindingDB:  5J3J	Kd: 2.4 (nM) from 1 assay(s)
		IC50: 2.1 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free:  0.298 (Depositor), 0.294 (DCC) 
• R-Value Work:  0.235 (Depositor), 0.236 (DCC) 
• R-Value Observed: 0.238 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.36	α = 90
b = 126.82	β = 99.95
c = 112.62	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-04-05 
Deposition Author(s): Wu, F., Li, H., Zhao, Z., Zhu, L., Xu, H., Li, S.

Revision History  

• Version 1.0: 2017-04-05
  Type: Initial release
  
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2024-10-23
  Changes: Data collection, Database references, Derived calculations, Structure summary