6b1e

The structure of DPP4 in complex with Vildagliptin

Method: X-RAY DIFFRACTION Dmax: 128.9 Å Quality: GOOD

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 Homooligomer Protein × 2 其他Polymer 7 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 39–766 Chain B; UniProt 39–766 Mutation:S39T 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 7 LF7 2-{[(1r,3s,5R,7S)-3-hydroxytricyclo[3.3.1.1~3,7~]decan-1-yl]amino}-1-{(2S)-2-[(E)-iminomethyl]pyrrolidin-1-yl}ethan-1-o ne × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;PEG 4000, SODIUM ACETATE, TRIS, pH 8.0 Resolution 1.77 Å R-free 0.186

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 169 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 1–728; UniProt 39–766 Author chain B; PDBConstruct 1–728; 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 6b1e

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6b1e
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6b1e
Deposition date deposition_date2017-09-18
Structure title titleThe structure of DPP4 in complex with Vildagliptin
Keywords keywordsDiabetes, DPP4 inhibitors, covalent inhibitors, HYDROLASE, 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_guinier39.36
Radius of gyration Rg (electron density) rg_electron38.99
Forward intensity I(0) i0438852000.00
Molecular weight molecular_weight173260.0 kDa
Excluded volume excluded_volume217020 ų
Envelope volume envelope_volume283570 ų
Hydration-shell volume shell_volume59711 ų
Envelope diameter envelope_diameter131.8
Shell Rg shell_rg45.75
Envelope Rg envelope_rg38.68
Shape Rg shape_rg38.94
Total Rg total_rg39.52
Total atoms total_atoms12241
Residues n_residues1456
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 dmax128.9
Rg (real space) rg_real39.39
Rg uncertainty (real space) rg_real_error0.99
I(0) (real space) i0_real4.3890e+08
I(0) uncertainty (real space) i0_real_error7.4010e+06
Rg (reciprocal space) rg_reciprocal39.37
I(0) (reciprocal space) i0_reciprocal438800000.0000
Solution quality estimate total_estimate0.8818
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary41.9
Skewness Skewness skewness0.347
Kurtosis Kurtosis kurtosis-0.519
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha53350000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.855; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.899

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6b1ea1
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_idd6b1ea2
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_idd6b1eb1
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_idd6b1eb2
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 (4 domains)

Domain ID domain_id6b1eA01
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_id6b1eA02
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_id6b1eB01
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_id6b1eB02
Class class2 — Mainly Beta
Architecture architecture140 — 8 Propeller
Topology topology10 — Methanol Dehydrogenase; Chain A
Homologous superfamily homologous superfamily30 — Dipeptidylpeptidase IV, N-terminal domain

8. Citations (1)

9. Files and Curves (10)