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- PDB-1orv: Crystal Structure of Porcine Dipeptidyl Peptidase IV (CD26) -

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Basic information

Entry
Database: PDB / ID: 1orv
TitleCrystal Structure of Porcine Dipeptidyl Peptidase IV (CD26)
Componentsdipeptidyl peptidase IV
KeywordsHYDROLASE / serine protease / oxyanion hole / substrate channeling / drug design / diabetes mellitus
Function / homology
Function and homology information


Synthesis, secretion, and inactivation of Glucose-dependent Insulinotropic Polypeptide (GIP) / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / negative regulation of extracellular matrix disassembly / dipeptidyl-peptidase IV / dipeptidyl-peptidase activity / anchoring junction / lamellipodium membrane / endocytic vesicle / endothelial cell migration / aminopeptidase activity ...Synthesis, secretion, and inactivation of Glucose-dependent Insulinotropic Polypeptide (GIP) / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / negative regulation of extracellular matrix disassembly / dipeptidyl-peptidase IV / dipeptidyl-peptidase activity / anchoring junction / lamellipodium membrane / endocytic vesicle / endothelial cell migration / aminopeptidase activity / T cell costimulation / lamellipodium / protease binding / cell adhesion / membrane raft / apical plasma membrane / signaling receptor binding / serine-type endopeptidase activity / positive regulation of cell population proliferation / cell surface / protein homodimerization activity / proteolysis / extracellular region / plasma membrane
Similarity search - Function
Dipeptidyl peptidase 4, low complexity region / Dipeptidyl peptidase IV (DPP IV) low complexity region / 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 ...Dipeptidyl peptidase 4, low complexity region / Dipeptidyl peptidase IV (DPP IV) low complexity region / 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 speciesSus scrofa (pig)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 1.8 Å
AuthorsEngel, M. / Hoffmann, T. / Wagner, L. / Wermann, M. / Heiser, U. / Kiefersauer, R. / Huber, R. / Bode, W. / Demuth, H.U. / Brandstetter, H.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2003
Title: The Crystal Structure of Dipeptidyl Peptidase IV (CD26) Reveals its Functional Regulation and Enzymatic Mechanism
Authors: Engel, M. / Hoffmann, T. / Wagner, L. / Wermann, M. / Heiser, U. / Kiefersauer, R. / Huber, R. / Bode, W. / Demuth, H.U. / Brandstetter, H.
History
DepositionMar 16, 2003Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 6, 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 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_unobs_or_zero_occ_atoms / pdbx_unobs_or_zero_occ_residues / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.occupancy / _atom_site.pdbx_PDB_ins_code / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_PDB_ins_code / _struct_conn.pdbx_ptnr2_PDB_ins_code / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_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
C: dipeptidyl peptidase IV
D: dipeptidyl peptidase IV
hetero molecules


Theoretical massNumber of molelcules
Total (without water)345,56332
Polymers337,7174
Non-polymers7,84628
Water26,4461468
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area22090 Å2
ΔGint23 kcal/mol
Surface area112210 Å2
MethodPISA
Unit cell
Length a, b, c (Å)62.000, 118.180, 133.590
Angle α, β, γ (deg.)112.76, 94.93, 91.14
Int Tables number1
Space group name H-MP1

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
dipeptidyl peptidase IV /


Mass: 84429.281 Da / Num. of mol.: 4 / Fragment: EXTRACELLULAR DOMAIN / Source method: isolated from a natural source / Details: kidney / Source: (natural) Sus scrofa (pig)
References: GenBank: 28566188, UniProt: P22411*PLUS, dipeptidyl-peptidase IV

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Sugars , 3 types, 24 molecules

#2: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 7
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#3: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}}LINUCSPDB-CARE
#4: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 15
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

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Non-polymers , 2 types, 1472 molecules

#5: Chemical
ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 1468 / 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: 2

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Sample preparation

CrystalDensity Matthews: 2.48 Å3/Da / Density % sol: 50.06 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 8
Details: 20% PEG 2000, 0.1 M ammonium sulfate, 0.1 M Tris/HCl pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
120 mg/mlprotein1drop
220-22 %PEG20001reservoir
30.1 Mammonium sulfate1reservoir
40.1 MTris-HCl1reservoirpH8.0

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Data collection

Diffraction
IDMean temperature (K)Crystal-ID
11001
21001
Diffraction source
SourceSiteBeamlineIDWavelength (Å)
SYNCHROTRONMPG/DESY, HAMBURG BW611.0503
SYNCHROTRONMPG/DESY, HAMBURG BW621.00500, 1.00920, 0.95000
Detector
TypeIDDetectorDateDetails
MARRESEARCH1CCDApr 12, 2000undulator
MARRESEARCH2CCDSep 7, 2000undulator
RadiationProtocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
IDWavelength (Å)Relative weight
11.05031
21.0051
31.00921
40.951
ReflectionResolution: 1.78→19.25 Å / Num. all: 320230 / Num. obs: 320230 / Biso Wilson estimate: 22 Å2
Reflection
*PLUS
Highest resolution: 1.8 Å / Lowest resolution: 20 Å / Num. obs: 322283 / % possible obs: 96.1 % / Num. measured all: 617050 / Rmerge(I) obs: 0.052
Reflection shell
*PLUS
Rmerge(I) obs: 0.352

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
MAINphasing
RefinementMethod to determine structure: MAD / Resolution: 1.8→19.25 Å / Rfactor Rfree error: 0.002 / Data cutoff high absF: 2053626.79 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.252 15446 5 %RANDOM
Rwork0.217 ---
all0.217 ---
obs0.217 309996 96.2 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 54.8936 Å2 / ksol: 0.392404 e/Å3
Displacement parametersBiso mean: 36.2 Å2
Baniso -1Baniso -2Baniso -3
1-5.97 Å21.26 Å2-0.75 Å2
2---5.66 Å20.24 Å2
3----0.31 Å2
Refine analyzeLuzzati coordinate error free: 0.29 Å / Luzzati sigma a free: 0.32 Å
Refinement stepCycle: LAST / Resolution: 1.8→19.25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms23864 0 504 1468 25836
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.009
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.5
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d25.2
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.89
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.311.5
X-RAY DIFFRACTIONc_mcangle_it1.962
X-RAY DIFFRACTIONc_scbond_it2.022
X-RAY DIFFRACTIONc_scangle_it2.92.5
LS refinement shellResolution: 1.8→1.91 Å / Rfactor Rfree error: 0.007 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.358 2605 5.1 %
Rwork0.336 48262 -
obs--94.8 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2CARBOHYDRATE.PARAMCARBOHYDRATE.TOP
X-RAY DIFFRACTION3WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION4ION.PARAMION.TOP
X-RAY DIFFRACTION5SUL.PARAMSUL.TOP
Refinement
*PLUS
Highest resolution: 1.8 Å / Lowest resolution: 20 Å
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.009
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg25.2
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.89

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