6qzv

DPP9 bound to a dipeptide (MP) from the N-terminus of BRCA2

Method: X-RAY DIFFRACTION Dmax: 187.5 Å Quality: GOOD

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

Dipeptidyl peptidase 9

Homo sapiens

UniProt Q86TI2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–892 Chain B; UniProt 1–892 Not recorded MET-PRO × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.25;293 K;20 mg/ml of protein, 10% PEG 8000, 25% glycerol, 0.16 M calcium acetate, 0.08 M cacodilate pH 6.25. Drops are set in a 1:1 ratio. Resolution 3.00 Å R-free 0.345
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 1–892 Chain D; UniProt 1–892 Not recorded MET-PRO × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.25;293 K;20 mg/ml of protein, 10% PEG 8000, 25% glycerol, 0.16 M calcium acetate, 0.08 M cacodilate pH 6.25. Drops are set in a 1:1 ratio. Resolution 3.00 Å R-free 0.345

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.

13 other PDB entries and 22 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DPP9_HUMAN
Isoform Q86TI2-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–892; UniProt 1–892 Author chain B; PDBConstruct 1–892; UniProt 1–892 Author chain C; PDBConstruct 1–892; UniProt 1–892 Author chain D; PDBConstruct 1–892; UniProt 1–892

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 6qzv

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6qzv
Deposition date deposition_date2019-03-12
Structure title titleDPP9 bound to a dipeptide (MP) from the N-terminus of BRCA2
Keywords keywordsDPP8, DPP9, BRCA2, dipeptide, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier55.96
Radius of gyration Rg (electron density) rg_electron55.97
Forward intensity I(0) i01886830000.00
Molecular weight molecular_weight372060.0 kDa
Excluded volume excluded_volume467210 ų
Envelope volume envelope_volume652000 ų
Hydration-shell volume shell_volume93671 ų
Envelope diameter envelope_diameter182.5
Shell Rg shell_rg62.93
Envelope Rg envelope_rg54.06
Shape Rg shape_rg55.97
Total Rg total_rg56.13
Total atoms total_atoms26312
Residues n_residues3241
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 dmax187.5
Rg (real space) rg_real55.89
Rg uncertainty (real space) rg_real_error1.96
I(0) (real space) i0_real1.8870e+09
I(0) uncertainty (real space) i0_real_error3.9350e+07
Rg (reciprocal space) rg_reciprocal55.99
I(0) (reciprocal space) i0_reciprocal1887000000.0000
Solution quality estimate total_estimate0.8853
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary80.4
Skewness Skewness skewness0.168
Kurtosis Kurtosis kurtosis-0.709
Angular range angular_range— – 0.1400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha599100000.0000
Real-space data points n_real_points29
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.880; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.871

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id6qzvA01
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_id6qzvB01
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_id6qzvC01
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_id6qzvD01
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)