1vfd

HUMAN LACTOFERRIN, N-TERMINAL LOBE MUTANT WITH ARG 121 REPLACED BY GLU (R121E)

Method: X-RAY DIFFRACTION Dmax: 68.3 Å Quality: GOOD

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

LACTOFERRIN

Homo sapiens

UniProt P02788

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 22–350 Fragment:N-TERMINAL HALF-MOLECULE Mutation:R121E FE FE (III) ION × 1 CO3 CARBONATE ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.310

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.

26 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRFL_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–330; UniProt 22–350

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 1vfd

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1vfd
Deposition date deposition_date1996-10-01
Structure title titleHUMAN LACTOFERRIN, N-TERMINAL LOBE MUTANT WITH ARG 121 REPLACED BY GLU (R121E)
Keywords keywordsTRANSFERRIN, IRON TRANSPORT, GLYCOPROTEIN, METAL-BINDING; IRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.65
Radius of gyration Rg (electron density) rg_electron19.54
Forward intensity I(0) i022650000.00
Molecular weight molecular_weight35596.0 kDa
Excluded volume excluded_volume44261 ų
Envelope volume envelope_volume52043 ų
Hydration-shell volume shell_volume21911 ų
Envelope diameter envelope_diameter68.4
Shell Rg shell_rg26.23
Envelope Rg envelope_rg19.75
Shape Rg shape_rg19.51
Total Rg total_rg20.49
Total atoms total_atoms2505
Residues n_residues321
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 dmax68.3
Rg (real space) rg_real20.55
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real2.2650e+07
I(0) uncertainty (real space) i0_real_error2.6690e+05
Rg (reciprocal space) rg_reciprocal20.56
I(0) (reciprocal space) i0_reciprocal22650000.0000
Solution quality estimate total_estimate0.8841
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary67.3
Skewness Skewness skewness0.214
Kurtosis Kurtosis kurtosis-0.389
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5142000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.830; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1vfda_
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 (2 domains)

Domain ID domain_id1vfdA01
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_id1vfdA02
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 (2)

9. Files and Curves (10)