2dwi

Crystal structure of the complex formed between C-terminal half of bovine lactoferrin and cellobiose at 2.2 A resolution

Method: X-RAY DIFFRACTION Dmax: 68.0 Å Quality: GOOD

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

Lactotransferrin

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 4 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 361–705 Fragment:residues 342-686 Mutation:N565K, K608E ;alpha-D-mannopyranose-(1-4)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;beta-D-mannopyranose-(1-4)-alpha-D-mannopyranose-(1-4)-beta-D-mannopyranose-(1-4)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 beta-D-glucopyranose-(1-4)-beta-D-glucopyranose × 1 FE FE (III) ION × 1 CO3 CARBONATE ION × 1 ZN ZINC ION × 2 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.5;298 K;0.1M MES, 25% POLYETHYLENE GLYCOL MONOMETHYL ETHER 550, 0.01M ZINC SULPHATE, pH 6.5, VAPOR DIFFUSION, temperature 298K Resolution 2.20 Å R-free 0.221

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 1–345; UniProt 361–705

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 2dwi

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2dwi
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2dwi
Deposition date deposition_date2006-08-13
Structure title titleCrystal structure of the complex formed between C-terminal half of bovine lactoferrin and cellobiose at 2.2 A resolution
Keywords keywordsC-LOBE, LACTOFERRIN, cellobiose, COMPLEX, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.07
Radius of gyration Rg (electron density) rg_electron19.97
Forward intensity I(0) i030286400.00
Molecular weight molecular_weight40263.0 kDa
Excluded volume excluded_volume49541 ų
Envelope volume envelope_volume59091 ų
Hydration-shell volume shell_volume23959 ų
Envelope diameter envelope_diameter68.8
Shell Rg shell_rg27.12
Envelope Rg envelope_rg20.23
Shape Rg shape_rg19.92
Total Rg total_rg20.96
Total atoms total_atoms2801
Residues n_residues341
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 dmax68.0
Rg (real space) rg_real20.92
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real3.0290e+07
I(0) uncertainty (real space) i0_real_error3.5550e+05
Rg (reciprocal space) rg_reciprocal20.95
I(0) (reciprocal space) i0_reciprocal30290000.0000
Solution quality estimate total_estimate0.8869
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.0
Skewness Skewness skewness0.143
Kurtosis Kurtosis kurtosis-0.425
Angular range angular_range— – 0.3750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6242000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.845; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2dwia_
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.94.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id2dwiA01
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_id2dwiA02
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)