1uow

Calcium binding domain C2B

Method: X-RAY DIFFRACTION Dmax: 57.3 Å Quality: GOOD

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

SYNAPTOTAGMIN I

RATTUS NORVEGICUS

UniProt P21707

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 271–421 Fragment:C2B DOMAIN, RESIDUES 271-421 CA CALCIUM ION × 2 GOL GLYCEROL × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;pH 5.00 Resolution 1.04 Å R-free 0.184

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.

19 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYT1_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 9–159; UniProt 271–421

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 1uow

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1uow
Deposition date deposition_date2003-09-24
Structure title titleCalcium binding domain C2B
Keywords keywordsGLYCOPROTEIN, LIPOPROTEIN, TRANSMEMBRANE; GLYCOPROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.43
Radius of gyration Rg (electron density) rg_electron15.27
Forward intensity I(0) i05640400.00
Molecular weight molecular_weight17675.0 kDa
Excluded volume excluded_volume22432 ų
Envelope volume envelope_volume24950 ų
Hydration-shell volume shell_volume13899 ų
Envelope diameter envelope_diameter54.8
Shell Rg shell_rg21.18
Envelope Rg envelope_rg15.70
Shape Rg shape_rg15.23
Total Rg total_rg16.56
Total atoms total_atoms1240
Residues n_residues157
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 dmax57.3
Rg (real space) rg_real16.36
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real5.6400e+06
I(0) uncertainty (real space) i0_real_error6.3600e+04
Rg (reciprocal space) rg_reciprocal16.36
I(0) (reciprocal space) i0_reciprocal5640000.0000
Solution quality estimate total_estimate0.8576
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary55.8
Skewness Skewness skewness0.249
Kurtosis Kurtosis kurtosis-0.237
Angular range angular_range— – 0.4850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1292000.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.716; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1uowa1
Class classb — All beta proteins
Fold Fold foldb.7 — C2 domain-like
Superfamily Superfamily superfamilyb.7.1 — C2 domain (Calcium/lipid-binding domain, CaLB)
Family Family familyb.7.1.2 — Synaptotagmin-like (S variant)
Domain ID domain_idd1uowa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id1uowA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily150 — C2 domain

8. Citations (1)

9. Files and Curves (10)