3q0t

Crystal structure of human dpp-iv in complex withsa-(+)- methyl2-(3-(aminomethyl)-4-(2,4-dichlorophenyl)-2-methyl- 7-oxo-5h-pyrrolo[3,4-b]pyridin-6(7h)-yl)acetate

Method: X-RAY DIFFRACTION Dmax: 128.2 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 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 39–766 Chain B; UniProt 39–766 Not recorded 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 10 LGE methyl [3-(aminomethyl)-4-(2,4-dichlorophenyl)-2-methyl-7-oxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl]acetate × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;CRYSTALS GROWN IN 2 UL EQUIVOLUME MIXTURE OF PROTEIN SOLUTION (0.1 M NACL, 20 MM TRIS-HCL BUFFER PH 7.8, 9.8 MG/ML PROTEIN) AND CRYSTALLIZATION SOLUTION (17% W/V PEG 3350, 15% W/V GLYCEROL, 200 MM MGCL2, 100 MM TRIS-HCL BUFFER PH 8.5). SUFFICIENT. 100 MM LIGAND STOCK SOLUTION (NEAT DMSO) ADDED TO ACHIEVE 1 MM LIGAND CONCENTRATION. SOAKED OVERNIGHT. HARVESTED DIRECTLY AND CRYO-STORED IN LN2. 2. temperature 298K, VAPOR DIFFUSION, HANGING DROP Resolution 2.40 Å R-free 0.260

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 3–730; UniProt 39–766 Author chain B; PDBConstruct 3–730; 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 3q0t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3q0t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3q0t
Deposition date deposition_date2010-12-16
Structure title titleCrystal structure of human dpp-iv in complex withsa-(+)- methyl2-(3-(aminomethyl)-4-(2,4-dichlorophenyl)-2-methyl- 7-oxo-5h-pyrrolo[3,4-b]pyridin-6(7h)-yl)acetate
Keywords keywords;EXOPEPTIDASE, ALPHA/BETA HYDROLASE FOLD, BETA BARREL, BETA PROPELLER, AMINOPEPTIDASE, GLYCOPROTEIN, MEMBRANE, SERINE PROTEASE, SIGNAL-ANCHOR, TRANSMEMBRANE, 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_guinier39.17
Radius of gyration Rg (electron density) rg_electron38.85
Forward intensity I(0) i0423732000.00
Molecular weight molecular_weight170260.0 kDa
Excluded volume excluded_volume213120 ų
Envelope volume envelope_volume277400 ų
Hydration-shell volume shell_volume58765 ų
Envelope diameter envelope_diameter129.1
Shell Rg shell_rg45.43
Envelope Rg envelope_rg38.50
Shape Rg shape_rg38.82
Total Rg total_rg39.31
Total atoms total_atoms12036
Residues n_residues1454
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 dmax128.2
Rg (real space) rg_real39.21
Rg uncertainty (real space) rg_real_error0.89
I(0) (real space) i0_real4.2370e+08
I(0) uncertainty (real space) i0_real_error7.0320e+06
Rg (reciprocal space) rg_reciprocal39.19
I(0) (reciprocal space) i0_reciprocal423700000.0000
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_primary41.7
Skewness Skewness skewness0.349
Kurtosis Kurtosis kurtosis-0.519
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha50720000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.856; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.897

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3q0ta1
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_idd3q0ta2
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.69.1.24 — DPP6 catalytic domain-like
Domain ID domain_idd3q0tb1
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_idd3q0tb2
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.69.1.24 — DPP6 catalytic domain-like

CATH v4.4 (4 domains)

Domain ID domain_id3q0tA01
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_id3q0tA02
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_id3q0tB01
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_id3q0tB02
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)