1ccf

How an Epidermal Growth Factor (EGF)-Like Domain Binds Calcium-High Resolution NMR Structure of the Calcium Form of the NH2-Terminal EGF-Like Domain in Coagulation Factor X

Method: SOLUTION NMR Dmax: 29.3 Å Quality: REASONABLE

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

COAGULATION FACTOR X

Bos taurus

UniProt P00743

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 85–126 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer SOLUTION NMR mmCIF provides none of the parsed experimental conditions 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.

5 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FA10_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–42; UniProt 85–126

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 1ccf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1ccf
Deposition date deposition_date1993-05-19
Structure title titleHow an Epidermal Growth Factor (EGF)-Like Domain Binds Calcium-High Resolution NMR Structure of the Calcium Form of the NH2-Terminal EGF-Like Domain in Coagulation Factor X
Keywords keywordsCOAGULATION FACTOR; COAGULATION FACTOR
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier10.86
Radius of gyration Rg (electron density) rg_electron11.37
Forward intensity I(0) i096507100.00
Molecular weight molecular_weight68534.0 kDa
Excluded volume excluded_volume80023 ų
Envelope volume envelope_volume12154 ų
Hydration-shell volume shell_volume8367 ų
Envelope diameter envelope_diameter53.7
Shell Rg shell_rg18.06
Envelope Rg envelope_rg14.49
Shape Rg shape_rg11.41
Total Rg total_rg11.50
Total atoms total_atoms8760
Residues n_residues615
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 dmax29.3
Rg (real space) rg_real10.21
Rg uncertainty (real space) rg_real_error0.05
I(0) (real space) i0_real9.2540e+07
I(0) uncertainty (real space) i0_real_error6.7740e+05
Rg (reciprocal space) rg_reciprocal11.06
I(0) (reciprocal space) i0_reciprocal96510000.0000
Solution quality estimate total_estimate0.6770
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary10.4
Skewness Skewness skewness0.416
Kurtosis Kurtosis kurtosis-0.510
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha3.9790
Highest regularization parameter α highest_alpha33450.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.001; Oscil: 0.984; Stabil: 0.977; Sysdev: 0.000; Positv: 1.000; Valcen: 0.925; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1ccfa_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.11 — EGF/Laminin
Family Family familyg.3.11.1 — EGF-type module

CATH v4.4 (1 domains)

Domain ID domain_id1ccfA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin

8. Citations (4)

9. Files and Curves (10)