2z9t

Crystal structure of the human beta-2 microglobulin mutant W60G

Method: X-RAY DIFFRACTION Dmax: 55.0 Å Quality: GOOD

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

Beta-2-microglobulin

Homo sapiens

UniProt P61769

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 21–119 Mutation:W60G No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;0.1M MES, PEG 4000, Ammonium acetate, glycerol, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.80 Å R-free 0.214
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 21–119 Mutation:W60G No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;0.1M MES, PEG 4000, Ammonium acetate, glycerol, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.80 Å R-free 0.214

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.

1313 other PDB entries and 1997 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–100; UniProt 21–119

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 2z9t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2z9t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2z9t
Deposition date deposition_date2007-09-26
Structure title titleCrystal structure of the human beta-2 microglobulin mutant W60G
Keywords keywords;beta-2-microglobulin, tryptophan, glycine, amyloidosis, DRA, beta fibrils, Disease mutation, Glycation, Glycoprotein, Immune response, Immunoglobulin domain, MHC I, Pyrrolidone carboxylic acid, Secreted, IMMUNE SYSTEM ;; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.67
Radius of gyration Rg (electron density) rg_electron14.45
Forward intensity I(0) i02922570.00
Molecular weight molecular_weight11731.0 kDa
Excluded volume excluded_volume14611 ų
Envelope volume envelope_volume17496 ų
Hydration-shell volume shell_volume10787 ų
Envelope diameter envelope_diameter56.0
Shell Rg shell_rg19.54
Envelope Rg envelope_rg15.04
Shape Rg shape_rg14.40
Total Rg total_rg15.71
Total atoms total_atoms827
Residues n_residues100
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 dmax55.0
Rg (real space) rg_real15.67
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real2.9230e+06
I(0) uncertainty (real space) i0_real_error3.2890e+04
Rg (reciprocal space) rg_reciprocal15.67
I(0) (reciprocal space) i0_reciprocal2923000.0000
Solution quality estimate total_estimate0.7689
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary17.4
Skewness Skewness skewness0.354
Kurtosis Kurtosis kurtosis-0.205
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha604300.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.693; Stabil: 0.993; Sysdev: 1.000; Positv: 1.000; Valcen: 0.933; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2z9ta_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (1 domains)

Domain ID domain_id2z9tA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)