1psb

Solution structure of calcium loaded S100B complexed to a peptide from N-Terminal regulatory domain of NDR kinase.

Method: SOLUTION NMR Dmax: 53.6 Å Quality: REASONABLE

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

S-100 protein, beta chain

Bos taurus

UniProt P02638

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 1–91 Chain B; UniProt 1–91 Not recorded Ndr Ser/Thr kinase-like protein × 2 (Q15208) SOLUTION NMR NMR measurement conditions:pH 7.5;310 K;Ionic strength (raw mmCIF value) 0.045 M/L;Pressure ambient NMR measurement conditions:pH 7.5;310 K;Ionic strength (raw mmCIF value) 0.045 M/L;Pressure ambient NMR measurement conditions:pH 7.5;310 K;Ionic strength (raw mmCIF value) 0.045 M/L;Pressure ambient NMR sample composition:1 mM 1H,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O NMR sample composition:1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O NMR sample composition:1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 100% D2O Resolution not provided

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.

27 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name S100B_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–91; UniProt 1–91 Author chain B; PDBConstruct 1–91; UniProt 1–91

Ndr Ser/Thr kinase-like protein

OrganismNot specified

UniProt Q15208

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 C; UniProt 62–87 Chain D; UniProt 62–87 Fragment:N-terminal regulatory domain fragment, sequence database residue 60-85 S-100 protein, beta chain × 2 (P02638) SOLUTION NMR NMR measurement conditions:pH 7.5;310 K;Ionic strength (raw mmCIF value) 0.045 M/L;Pressure ambient NMR measurement conditions:pH 7.5;310 K;Ionic strength (raw mmCIF value) 0.045 M/L;Pressure ambient NMR measurement conditions:pH 7.5;310 K;Ionic strength (raw mmCIF value) 0.045 M/L;Pressure ambient NMR sample composition:1 mM 1H,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O NMR sample composition:1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 90% H2O/10% D2O NMR sample composition:1 mM 1H,13C,15N labeled protein 1 mM unlabeled peptide 20 mM d-11 tris and 10mM d10-DTT 5 mM CaCl2 and 30mM KCL | 100% D2O Resolution not provided

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.

1 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name STK38_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–26; UniProt 62–87 Author chain D; PDBConstruct 1–26; UniProt 62–87

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 1psb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1psb
Deposition date deposition_date2003-06-21
Structure title titleSolution structure of calcium loaded S100B complexed to a peptide from N-Terminal regulatory domain of NDR kinase.
Keywords keywordsHELIX-LOOP-HELIX, PROTEIN-PEPTIDE COMPLEX, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier20.41
Radius of gyration Rg (electron density) rg_electron20.01
Forward intensity I(0) i04361580000.00
Molecular weight molecular_weight550060.0 kDa
Excluded volume excluded_volume683510 ų
Envelope volume envelope_volume81784 ų
Hydration-shell volume shell_volume26833 ų
Envelope diameter envelope_diameter103.3
Shell Rg shell_rg32.69
Envelope Rg envelope_rg27.92
Shape Rg shape_rg19.96
Total Rg total_rg20.30
Total atoms total_atoms76800
Residues n_residues4680
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 dmax53.6
Rg (real space) rg_real19.21
Rg uncertainty (real space) rg_real_error0.08
I(0) (real space) i0_real4.1440e+09
I(0) uncertainty (real space) i0_real_error4.1320e+07
Rg (reciprocal space) rg_reciprocal20.48
I(0) (reciprocal space) i0_reciprocal4362000000.0000
Solution quality estimate total_estimate0.6859
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary22.2
Skewness Skewness skewness0.175
Kurtosis Kurtosis kurtosis-0.494
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha3.5170
Highest regularization parameter α highest_alpha875700.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.004; Oscil: 0.996; Stabil: 0.976; Sysdev: 0.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1psba_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.2 — S100 proteins
Domain ID domain_idd1psbb_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.2 — S100 proteins

CATH v4.4 (2 domains)

Domain ID domain_id1psbA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand
Domain ID domain_id1psbB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand

8. Citations (1)

9. Files and Curves (10)