1cfp

S100B (S100BETA) NMR DATA WAS COLLECTED FROM A SAMPLE OF CALCIUM FREE PROTEIN AT PH 6.3 AND A TEMPERATURE OF 311 K AND 1.7-6.9 MM CONCENTRATION, 25 STRUCTURES

Method: SOLUTION NMR Dmax: 47.5 Å Quality: EXCELLENT

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

S100B

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–91 Chain B; UniProt 1–91 Mutation:N-TERMINAL METHIONINE REPLACES N-TERMINAL ACETYL GROUP OF THE NATURAL PROTEIN No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.5;314 K 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 2–92; UniProt 1–91 Author chain B; PDBConstruct 2–92; UniProt 1–91

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 1cfp

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1cfp
Deposition date deposition_date1996-06-04
Structure title titleS100B (S100BETA) NMR DATA WAS COLLECTED FROM A SAMPLE OF CALCIUM FREE PROTEIN AT PH 6.3 AND A TEMPERATURE OF 311 K AND 1.7-6.9 MM CONCENTRATION, 25 STRUCTURES
Keywords keywordsHELIX-LOOP-HELIX, CALCIUM-BINDING PROTEIN; CALCIUM-BINDING PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier16.13
Radius of gyration Rg (electron density) rg_electron15.64
Forward intensity I(0) i04031430000.00
Molecular weight molecular_weight531840.0 kDa
Excluded volume excluded_volume659460 ų
Envelope volume envelope_volume43239 ų
Hydration-shell volume shell_volume19939 ų
Envelope diameter envelope_diameter56.2
Shell Rg shell_rg24.46
Envelope Rg envelope_rg17.79
Shape Rg shape_rg15.62
Total Rg total_rg15.77
Total atoms total_atoms72800
Residues n_residues4600
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 dmax47.5
Rg (real space) rg_real16.00
Rg uncertainty (real space) rg_real_error0.23
I(0) (real space) i0_real4.0310e+09
I(0) uncertainty (real space) i0_real_error4.9460e+07
Rg (reciprocal space) rg_reciprocal16.02
I(0) (reciprocal space) i0_reciprocal4031000000.0000
Solution quality estimate total_estimate0.9100
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary46.3
Skewness Skewness skewness0.057
Kurtosis Kurtosis kurtosis-0.489
Angular range angular_range— – 0.4950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha837000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.952; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1cfpa_
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_idd1cfpb_
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_id1cfpA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand
Domain ID domain_id1cfpB00
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)