2dlf

HIGH RESOLUTION CRYSTAL STRUCTURE OF THE FV FRAGMENT FROM AN ANTI-DANSYL SWITCH VARIANT ANTIBODY IGG2A(S) CRYSTALLIZED AT PH 6.75

Method: X-RAY DIFFRACTION Dmax: 64.8 Å Quality: REASONABLE

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

PROTEIN (ANTI-DANSYL IMMUNOGLOBULIN IGG2A(S)-KAPPA (LIGHT CHAIN))

OrganismNot specified

UniProt P01631

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain L; UniProt 1–113 Fragment:FV FRAGMENT (VL DOMAIN) SYNONYM: ANTI-DANSYL FV FRAGMENT PROTEIN (ANTI-DANSYL IMMUNOGLOBULIN IGG2A(S) (HEAVY CHAIN)) × 1 (P01801) SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.75;CRYSTALLIZATION CONDITIONS: TEMPERATURE AT 20C. PRECIPITANT SOLUTION CONTAINED 1 AMMONIUM SULFATE AND 0.025 M SODIUM CACODYLATE (PH 6.75). 5 MG/ML OF FV FRAGMENT., VAPOR DIFFUSION, HANGING DROP Resolution 1.55 Å R-free 0.233

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.

6 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KV2G_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain L; PDBConstruct 1–113; UniProt 1–113

PROTEIN (ANTI-DANSYL IMMUNOGLOBULIN IGG2A(S) (HEAVY CHAIN))

OrganismNot specified

UniProt P01801

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain H; UniProt 1–115 Fragment:FV FRAGMENT (VH DOMAIN) SYNONYM: ANTI-DANSYL FV FRAGMENT PROTEIN (ANTI-DANSYL IMMUNOGLOBULIN IGG2A(S)-KAPPA (LIGHT CHAIN)) × 1 (P01631) SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.75;CRYSTALLIZATION CONDITIONS: TEMPERATURE AT 20C. PRECIPITANT SOLUTION CONTAINED 1 AMMONIUM SULFATE AND 0.025 M SODIUM CACODYLATE (PH 6.75). 5 MG/ML OF FV FRAGMENT., VAPOR DIFFUSION, HANGING DROP Resolution 1.55 Å R-free 0.233

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.

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

View Construct and Data Evidence
UniProt name HV32_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain H; PDBConstruct 1–121; UniProt 1–115

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 2dlf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2dlf
Deposition date deposition_date1998-12-17
Structure title titleHIGH RESOLUTION CRYSTAL STRUCTURE OF THE FV FRAGMENT FROM AN ANTI-DANSYL SWITCH VARIANT ANTIBODY IGG2A(S) CRYSTALLIZED AT PH 6.75
Keywords keywordsFV FRAGMENT, IMMUNOGLOBULIN, 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_guinier19.15
Radius of gyration Rg (electron density) rg_electron17.95
Forward intensity I(0) i012786400.00
Molecular weight molecular_weight26235.0 kDa
Excluded volume excluded_volume32577 ų
Envelope volume envelope_volume37024 ų
Hydration-shell volume shell_volume17496 ų
Envelope diameter envelope_diameter64.9
Shell Rg shell_rg23.87
Envelope Rg envelope_rg18.20
Shape Rg shape_rg17.88
Total Rg total_rg19.03
Total atoms total_atoms1847
Residues n_residues220
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 dmax64.8
Rg (real space) rg_real19.08
Rg uncertainty (real space) rg_real_error0.44
I(0) (real space) i0_real1.2790e+07
I(0) uncertainty (real space) i0_real_error1.5760e+05
Rg (reciprocal space) rg_reciprocal19.09
I(0) (reciprocal space) i0_reciprocal12790000.0000
Solution quality estimate total_estimate0.6929
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.3
Skewness Skewness skewness0.222
Kurtosis Kurtosis kurtosis-0.403
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3622000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.825; Stabil: 1.000; Sysdev: 0.182; Positv: 1.000; Valcen: 0.987; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2dlfh_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd2dlfl_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)

CATH v4.4 (2 domains)

Domain ID domain_id2dlfH00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2dlfL00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (8)

9. Files and Curves (10)