4g1f

Crystal Structure of human Dipeptidyl Peptidase IV in complex with a pyridopyrimidinedione analogue

Method: X-RAY DIFFRACTION Dmax: 182.8 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

Dipeptidyl peptidase 4

Homo sapiens

UniProt P27487

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Monomer Protein × 1 其他Polymer 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 39–766 Fragment:UNP residues 39-766 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277 K;22.5% PEG 200mme, 0.1M Bicine pH 7.8 , VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.90 Å R-free 0.259
2 Other combination Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 39–766 Fragment:UNP residues 39-766 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277 K;22.5% PEG 200mme, 0.1M Bicine pH 7.8 , VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.90 Å R-free 0.259
3 Other combination Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 39–766 Fragment:UNP residues 39-766 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277 K;22.5% PEG 200mme, 0.1M Bicine pH 7.8 , VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.90 Å R-free 0.259
4 Other combination Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 39–766 Fragment:UNP residues 39-766 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277 K;22.5% PEG 200mme, 0.1M Bicine pH 7.8 , VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.90 Å R-free 0.259
5 Other combination Homooligomer Protein × 2 其他Polymer 3 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 39–766 Chain B; UniProt 39–766 Fragment:UNP residues 39-766 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277 K;22.5% PEG 200mme, 0.1M Bicine pH 7.8 , VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.90 Å R-free 0.259
6 Other combination Homooligomer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 39–766 Chain D; UniProt 39–766 Fragment:UNP residues 39-766 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277 K;22.5% PEG 200mme, 0.1M Bicine pH 7.8 , VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.90 Å R-free 0.259
7 Other combination Homooligomer Protein × 4 其他Polymer 5 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 39–766 Chain B; UniProt 39–766 Chain C; UniProt 39–766 Chain D; UniProt 39–766 Fragment:UNP residues 39-766 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 12 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277 K;22.5% PEG 200mme, 0.1M Bicine pH 7.8 , VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.90 Å R-free 0.259

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

113 other PDB entries and 163 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DPP4_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 13–740; UniProt 39–766 Author chain B; PDBConstruct 13–740; UniProt 39–766 Author chain C; PDBConstruct 13–740; UniProt 39–766 Author chain D; PDBConstruct 13–740; UniProt 39–766

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 4g1f

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4g1f
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4g1f
Deposition date deposition_date2012-07-10
Structure title titleCrystal Structure of human Dipeptidyl Peptidase IV in complex with a pyridopyrimidinedione analogue
Keywords keywords;protease, 8-bladed beta-propeller domain, Aminopeptidase, Cell membrane, Glycoprotein, Hydrolase, Secreted, Serine protease, HYDROLASE-HYDROLASE INHIBITOR complex ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier58.06
Radius of gyration Rg (electron density) rg_electron58.02
Forward intensity I(0) i03180640000.00
Molecular weight molecular_weight317290.0 kDa
Excluded volume excluded_volume308980 ų
Envelope volume envelope_volume609150 ų
Hydration-shell volume shell_volume90863 ų
Envelope diameter envelope_diameter183.6
Shell Rg shell_rg55.76
Envelope Rg envelope_rg57.01
Shape Rg shape_rg58.03
Total Rg total_rg57.96
Total atoms total_atoms24046
Residues n_residues2888
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax182.8
Rg (real space) rg_real59.47
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real3.1450e+09
I(0) uncertainty (real space) i0_real_error5.5550e+07
Rg (reciprocal space) rg_reciprocal58.06
I(0) (reciprocal space) i0_reciprocal3181000000.0000
Solution quality estimate total_estimate0.6640
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary81.2
Skewness Skewness skewness0.216
Kurtosis Kurtosis kurtosis-0.714
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha1.6710
Highest regularization parameter α highest_alpha269600000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.949; Stabil: 0.898; Sysdev: 0.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.142

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 17 domains

SCOP 2.08 (9 domains)

Domain ID domain_idd4g1fa1
Class classb — All beta proteins
Fold Fold foldb.70 — 8-bladed beta-propeller
Superfamily Superfamily superfamilyb.70.3 — DPP6 N-terminal domain-like
Family Family familyb.70.3.1 — DPP6 N-terminal domain-like
Domain ID domain_idd4g1fa2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.0 — automated matches
Domain ID domain_idd4g1fb1
Class classb — All beta proteins
Fold Fold foldb.70 — 8-bladed beta-propeller
Superfamily Superfamily superfamilyb.70.3 — DPP6 N-terminal domain-like
Family Family familyb.70.3.1 — DPP6 N-terminal domain-like
Domain ID domain_idd4g1fb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.0 — automated matches
Domain ID domain_idd4g1fb3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4g1fc1
Class classb — All beta proteins
Fold Fold foldb.70 — 8-bladed beta-propeller
Superfamily Superfamily superfamilyb.70.3 — DPP6 N-terminal domain-like
Family Family familyb.70.3.1 — DPP6 N-terminal domain-like
Domain ID domain_idd4g1fc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.0 — automated matches
Domain ID domain_idd4g1fd1
Class classb — All beta proteins
Fold Fold foldb.70 — 8-bladed beta-propeller
Superfamily Superfamily superfamilyb.70.3 — DPP6 N-terminal domain-like
Family Family familyb.70.3.1 — DPP6 N-terminal domain-like
Domain ID domain_idd4g1fd2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.0 — automated matches

CATH v4.4 (8 domains)

Domain ID domain_id4g1fA01
Class class2 — Mainly Beta
Architecture architecture140 — 8 Propeller
Topology topology10 — Methanol Dehydrogenase; Chain A
Homologous superfamily homologous superfamily30 — Dipeptidylpeptidase IV, N-terminal domain
Domain ID domain_id4g1fA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id4g1fB01
Class class2 — Mainly Beta
Architecture architecture140 — 8 Propeller
Topology topology10 — Methanol Dehydrogenase; Chain A
Homologous superfamily homologous superfamily30 — Dipeptidylpeptidase IV, N-terminal domain
Domain ID domain_id4g1fB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id4g1fC01
Class class2 — Mainly Beta
Architecture architecture140 — 8 Propeller
Topology topology10 — Methanol Dehydrogenase; Chain A
Homologous superfamily homologous superfamily30 — Dipeptidylpeptidase IV, N-terminal domain
Domain ID domain_id4g1fC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id4g1fD01
Class class2 — Mainly Beta
Architecture architecture140 — 8 Propeller
Topology topology10 — Methanol Dehydrogenase; Chain A
Homologous superfamily homologous superfamily30 — Dipeptidylpeptidase IV, N-terminal domain
Domain ID domain_id4g1fD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain

8. Citations (1)

9. Files and Curves (10)