1blf

STRUCTURE OF DIFERRIC BOVINE LACTOFERRIN AT 2.8 ANGSTROMS RESOLUTION

Method: X-RAY DIFFRACTION Dmax: 98.7 Å Quality: GOOD

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

LACTOFERRIN

OrganismNot specified

UniProt P24627

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Monomer Protein × 1 其他Polymer 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 20–708 Not recorded beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 FE FE (III) ION × 2 CO3 CARBONATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:dialaysis;pH 7.7;277 K;25 MM TRIS/HCL, PH 7.7 8% (V/V) MPD 6.5% (V/V) ETHANOL DIALYSED AGAINST A 200 MG/ML SOLUTION OF PROTEIN AT 277 K., dialaysis Resolution 2.80 Å R-free 0.280

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.

86 other PDB entries and 89 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRFL_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–689; UniProt 20–708

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 1blf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1blf
Deposition date deposition_date1997-08-20
Structure title titleSTRUCTURE OF DIFERRIC BOVINE LACTOFERRIN AT 2.8 ANGSTROMS RESOLUTION
Keywords keywordsLACTOFERRIN, TRANSFERRIN, IRON-BINDING PROTEIN, CARBOHYDRATE STRUCTURE; IRON-BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.87
Radius of gyration Rg (electron density) rg_electron30.06
Forward intensity I(0) i0101145000.00
Molecular weight molecular_weight77756.0 kDa
Excluded volume excluded_volume96625 ų
Envelope volume envelope_volume120090 ų
Hydration-shell volume shell_volume33738 ų
Envelope diameter envelope_diameter98.4
Shell Rg shell_rg36.72
Envelope Rg envelope_rg29.75
Shape Rg shape_rg30.05
Total Rg total_rg30.67
Total atoms total_atoms5445
Residues n_residues685
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 dmax98.7
Rg (real space) rg_real30.93
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real1.0110e+08
I(0) uncertainty (real space) i0_real_error1.3500e+06
Rg (reciprocal space) rg_reciprocal30.91
I(0) (reciprocal space) i0_reciprocal101100000.0000
Solution quality estimate total_estimate0.8891
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.0
Skewness Skewness skewness0.326
Kurtosis Kurtosis kurtosis-0.643
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26300000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.928; Smooth: 0.914

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1blfa1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.2 — Transferrin
Domain ID domain_idd1blfa2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.2 — Transferrin

CATH v4.4 (4 domains)

Domain ID domain_id1blfA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id1blfA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id1blfA03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id1blfA04
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II

8. Citations (1)

9. Files and Curves (10)