5ZID

Crystal Structure of human DPP-IV in complex with HL2

• PDB DOI: https://doi.org/10.2210/pdb5ZID/pdb

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


• Deposited: 2018-03-14 Released: 2019-03-20 
• Deposition Author(s): Zhu, L., Li, H., Wu, F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.253 
• R-Value Work: 0.191 
• R-Value Observed: 0.194 

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: 172.44 kDa 
• Atom Count: 12,088 
• 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

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
9EL	E [auth A], G [auth B]	(2S,3R)-2-amino-9-methoxy-3-(2,4,5-trifluorophenyl)-2,3-dihydro-1H-naphtho[2,1-b]pyran-8-carbonitrile C21 H15 F3 N2 O2 OGGAKUIGELBYAA-GHTZIAJQSA-N
NAG	D [auth A], F [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
9EL	BindingDB:  5ZID	Kd: 1.8 (nM) from 1 assay(s)
		IC50: 2 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.253 
• R-Value Work: 0.191 
• R-Value Observed: 0.194 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.07	α = 90
b = 126.19	β = 99.3
c = 118.62	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-03-20 
Deposition Author(s): Zhu, L., Li, H., Wu, F.

Revision History  

• Version 1.0: 2019-03-20
  Type: Initial release
  
• Version 1.1: 2019-04-17
  Changes: Data collection, Structure summary
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-11-22
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary