1n99

CRYSTAL STRUCTURE OF THE PDZ TANDEM OF HUMAN SYNTENIN

Method: X-RAY DIFFRACTION Dmax: 78.5 Å Quality: GOOD

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

Syntenin 1

Homo sapiens

UniProt O00560

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 113–273 Chain B; UniProt 113–273 Fragment:PDZ Tandem Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.6;294 K;sodium acetate, PEG4000, ammonium acetate, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 294K Resolution 1.94 Å R-free 0.227

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.

64 other PDB entries and 186 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SDCB1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–166; UniProt 113–273 Author chain B; PDBConstruct 6–166; UniProt 113–273

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 1n99

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1n99
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1n99
Deposition date deposition_date2002-11-22
Structure title titleCRYSTAL STRUCTURE OF THE PDZ TANDEM OF HUMAN SYNTENIN
Keywords keywordsPDZ domain, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.58
Radius of gyration Rg (electron density) rg_electron21.72
Forward intensity I(0) i022741900.00
Molecular weight molecular_weight35339.0 kDa
Excluded volume excluded_volume43843 ų
Envelope volume envelope_volume53691 ų
Hydration-shell volume shell_volume20922 ų
Envelope diameter envelope_diameter78.9
Shell Rg shell_rg27.95
Envelope Rg envelope_rg22.09
Shape Rg shape_rg21.75
Total Rg total_rg22.42
Total atoms total_atoms2454
Residues n_residues318
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 dmax78.5
Rg (real space) rg_real22.56
Rg uncertainty (real space) rg_real_error0.61
I(0) (real space) i0_real2.2740e+07
I(0) uncertainty (real space) i0_real_error3.1760e+05
Rg (reciprocal space) rg_reciprocal22.57
I(0) (reciprocal space) i0_reciprocal22740000.0000
Solution quality estimate total_estimate0.8634
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.6
Skewness Skewness skewness0.311
Kurtosis Kurtosis kurtosis-0.354
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12700000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.779; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.959; Smooth: 0.922

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1n99a1
Class classb — All beta proteins
Fold Fold foldb.36 — PDZ domain-like
Superfamily Superfamily superfamilyb.36.1 — PDZ domain-like
Family Family familyb.36.1.1 — PDZ domain
Domain ID domain_idd1n99a2
Class classb — All beta proteins
Fold Fold foldb.36 — PDZ domain-like
Superfamily Superfamily superfamilyb.36.1 — PDZ domain-like
Family Family familyb.36.1.1 — PDZ domain
Domain ID domain_idd1n99a3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1n99b1
Class classb — All beta proteins
Fold Fold foldb.36 — PDZ domain-like
Superfamily Superfamily superfamilyb.36.1 — PDZ domain-like
Family Family familyb.36.1.1 — PDZ domain
Domain ID domain_idd1n99b2
Class classb — All beta proteins
Fold Fold foldb.36 — PDZ domain-like
Superfamily Superfamily superfamilyb.36.1 — PDZ domain-like
Family Family familyb.36.1.1 — PDZ domain
Domain ID domain_idd1n99b3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id1n99A01
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain
Domain ID domain_id1n99A02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain
Domain ID domain_id1n99B01
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain
Domain ID domain_id1n99B02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain

8. Citations (1)

9. Files and Curves (10)