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- PDB-1nu8: Crystal structure of human dipeptidyl peptidase IV (DPP-IV) in co... -

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Basic information

Entry
Database: PDB / ID: 1nu8
TitleCrystal structure of human dipeptidyl peptidase IV (DPP-IV) in complex with Diprotin A (IPI)
Components
  • 3-mer peptide
  • Dipeptidyl peptidase IV
KeywordsHYDROLASE / b-barrel / alpha/beta hydrolase fold / exopeptidase / diprotin A
Function / homology
Function and homology information


glucagon processing / negative regulation of neutrophil chemotaxis / Synthesis, secretion, and inactivation of Glucose-dependent Insulinotropic Polypeptide (GIP) / regulation of cell-cell adhesion mediated by integrin / negative regulation of extracellular matrix disassembly / psychomotor behavior / dipeptidyl-peptidase IV / intercellular canaliculus / chemorepellent activity / dipeptidyl-peptidase activity ...glucagon processing / negative regulation of neutrophil chemotaxis / Synthesis, secretion, and inactivation of Glucose-dependent Insulinotropic Polypeptide (GIP) / regulation of cell-cell adhesion mediated by integrin / negative regulation of extracellular matrix disassembly / psychomotor behavior / dipeptidyl-peptidase IV / intercellular canaliculus / chemorepellent activity / dipeptidyl-peptidase activity / peptide hormone processing / locomotory exploration behavior / lamellipodium membrane / endocytic vesicle / endothelial cell migration / behavioral fear response / aminopeptidase activity / T cell costimulation / T cell activation / serine-type peptidase activity / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / virus receptor activity / lamellipodium / protease binding / receptor-mediated endocytosis of virus by host cell / membrane fusion / receptor-mediated virion attachment to host cell / response to hypoxia / cell adhesion / symbiont entry into host cell / membrane raft / apical plasma membrane / lysosomal membrane / signaling receptor binding / serine-type endopeptidase activity / focal adhesion / positive regulation of cell population proliferation / cell surface / protein homodimerization activity / proteolysis / extracellular exosome / extracellular region / membrane / identical protein binding / plasma membrane
Similarity search - Function
Dipeptidylpeptidase IV, N-terminal domain / 8 Propeller / Methanol Dehydrogenase; Chain A / Prolyl endopeptidase family serine active site. / Peptidase S9, serine active site / Dipeptidylpeptidase IV, N-terminal domain / Dipeptidyl peptidase IV (DPP IV) N-terminal region / Peptidase S9, prolyl oligopeptidase, catalytic domain / Prolyl oligopeptidase family / Alpha/Beta hydrolase fold, catalytic domain ...Dipeptidylpeptidase IV, N-terminal domain / 8 Propeller / Methanol Dehydrogenase; Chain A / Prolyl endopeptidase family serine active site. / Peptidase S9, serine active site / Dipeptidylpeptidase IV, N-terminal domain / Dipeptidyl peptidase IV (DPP IV) N-terminal region / Peptidase S9, prolyl oligopeptidase, catalytic domain / Prolyl oligopeptidase family / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold / 3-Layer(aba) Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Dipeptidyl peptidase 4
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2.5 Å
AuthorsThoma, R. / Loeffler, B. / Stihle, M. / Huber, W. / Ruf, A. / Hennig, M.
CitationJournal: Structure / Year: 2003
Title: Structural Basis of Proline-Specific Exopeptidase Activity as Observed in Human Dipeptidyl Peptidase-IV.
Authors: Thoma, R. / Loeffler, B. / Stihle, M. / Huber, W. / Ruf, A. / Hennig, M.
History
DepositionJan 31, 2003Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Aug 26, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Aug 24, 2016Group: Structure summary
Revision 1.4Jul 29, 2020Group: Advisory / Data collection ...Advisory / Data collection / Derived calculations / Structure summary
Category: chem_comp / database_PDB_caveat ...chem_comp / database_PDB_caveat / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Dipeptidyl peptidase IV
B: Dipeptidyl peptidase IV
D: 3-mer peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)171,03611
Polymers169,2673
Non-polymers1,7708
Water4,918273
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6720 Å2
ΔGint1 kcal/mol
Surface area60070 Å2
MethodPISA
Unit cell
Length a, b, c (Å)65.136, 67.067, 419.635
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Dipeptidyl peptidase IV /


Mass: 84462.617 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: pcHDP1-23 / Production host: Pichia pastoris (fungus) / References: UniProt: P27487, dipeptidyl-peptidase IV
#2: Protein/peptide 3-mer peptide


Mass: 341.446 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: This sequence occurs peptide synthesis / Source: (synth.) synthetic construct (others)
#3: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 273 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.71 Å3/Da / Density % sol: 54.56 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: Peg, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
110 mg/mlprotein1drop
220-25 %PEG33501reservoir
3200 mM1reservoirMgCl2
515 %glycerol1reservoir
4Tris1reservoirpH8.5

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Data collection

DiffractionMean temperature: 90 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06SA / Wavelength: 0.92 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Mar 12, 2002 / Details: mirrors
RadiationMonochromator: mirror / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.92 Å / Relative weight: 1
ReflectionResolution: 2.5→12 Å / Num. all: 171090 / Num. obs: 64208 / % possible obs: 97.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 2.5→2.6 Å / % possible all: 99.4
Reflection
*PLUS
Num. measured all: 171090 / Rmerge(I) obs: 0.091
Reflection shell
*PLUS
% possible obs: 99.4 % / Rmerge(I) obs: 0.159

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
CCP4model building
REFMAC5.1refinement
CCP4phasing
RefinementMethod to determine structure: FOURIER SYNTHESIS / Resolution: 2.5→12 Å / σ(F): 0
RfactorNum. reflection
Rfree0.282 3211
Rwork0.225 -
obs0.225 64208
all-64208
Refinement stepCycle: LAST / Resolution: 2.5→12 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms11950 0 112 273 12335
Refinement
*PLUS
Lowest resolution: 30 Å
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONbond_d0.019
X-RAY DIFFRACTIONangle_d
X-RAY DIFFRACTIONangle_deg2.07

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