4kr0

Complex structure of MERS-CoV spike RBD bound to CD26

Method: X-RAY DIFFRACTION Dmax: 115.9 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 Heteromer Protein × 4 其他Polymer 10 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 39–766 Not recorded S protein × 2 (K0BRG7) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 8 beta-D-mannopyranose-(1-4)-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 × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;291 K;6% v/v 2-propanol, 0.1M sodium acetate pH4.5, 26% PEG 550, VAPOR DIFFUSION, SITTING DROP, temperature 291K Resolution 2.70 Å R-free 0.232

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 6–733; UniProt 39–766

S protein

Human betacoronavirus 2c EMC/2012

UniProt K0BRG7

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 Heteromer Protein × 4 其他Polymer 10 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 367–606 Fragment:UNP RESIDUES 367-606 Dipeptidyl peptidase 4 × 2 (P27487) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 8 beta-D-mannopyranose-(1-4)-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 × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;291 K;6% v/v 2-propanol, 0.1M sodium acetate pH4.5, 26% PEG 550, VAPOR DIFFUSION, SITTING DROP, temperature 291K Resolution 2.70 Å R-free 0.232

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.

22 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name K0BRG7_9BETC
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 6–245; UniProt 367–606

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 4kr0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4kr0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4kr0
Deposition date deposition_date2013-05-15
Structure title titleComplex structure of MERS-CoV spike RBD bound to CD26
Keywords keywords8-bladed beta-propeller domain, alpha/beta hydrolase domain, blades IV and V, CD26 beta-propeller, HYDROLASE-VIRAL PROTEIN complex; HYDROLASE/VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.90
Radius of gyration Rg (electron density) rg_electron32.54
Forward intensity I(0) i0185299000.00
Molecular weight molecular_weight109860.0 kDa
Excluded volume excluded_volume137610 ų
Envelope volume envelope_volume173890 ų
Hydration-shell volume shell_volume45608 ų
Envelope diameter envelope_diameter125.1
Shell Rg shell_rg38.65
Envelope Rg envelope_rg32.39
Shape Rg shape_rg32.47
Total Rg total_rg33.28
Total atoms total_atoms7750
Residues n_residues936
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 dmax115.9
Rg (real space) rg_real33.03
Rg uncertainty (real space) rg_real_error1.17
I(0) (real space) i0_real1.8530e+08
I(0) uncertainty (real space) i0_real_error3.4080e+06
Rg (reciprocal space) rg_reciprocal32.97
I(0) (reciprocal space) i0_reciprocal185300000.0000
Solution quality estimate total_estimate0.6439
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary38.6
Skewness Skewness skewness0.546
Kurtosis Kurtosis kurtosis0.188
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha30670000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.688; Stabil: 1.000; Sysdev: 0.145; Positv: 1.000; Valcen: 0.972; Smooth: 0.895

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4kr0a1
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_idd4kr0a2
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_id4kr0A01
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_id4kr0A02
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_id4kr0B01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1840 — Spike protein, C-terminal core receptor binding subdomain
Domain ID domain_id4kr0B02
Class class2 — Mainly Beta
Architecture architecture20 — Single Sheet
Topology topology210 — ubp-family deubiquitinating enzyme fold
Homologous superfamily homologous superfamily30

8. Citations (1)

9. Files and Curves (10)