6cwg

Ricin catalytic subunit bound go A9 VHH antibody

Method: X-RAY DIFFRACTION Dmax: 122.3 Å Quality: GOOD

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

Ricin

Ricinus communis

UniProt P02879

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 A; UniProt 36–302 Not recorded VHH antibody × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 10.5;295 K;200 mM Lithiuim sulfate, 100 mM CAPS pH 10.5, 2 M Ammonium sulfate Resolution 2.60 Å R-free 0.262
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 36–302 Not recorded VHH antibody × 1 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 10.5;295 K;200 mM Lithiuim sulfate, 100 mM CAPS pH 10.5, 2 M Ammonium sulfate Resolution 2.60 Å R-free 0.262

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.

100 other PDB entries and 125 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RICI_RICCO
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–268; UniProt 36–302 Author chain C; PDBConstruct 2–268; UniProt 36–302

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 6cwg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6cwg
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6cwg
Deposition date deposition_date2018-03-30
Structure title titleRicin catalytic subunit bound go A9 VHH antibody
Keywords keywordsRicin catalytic subunit, VHH antibody, 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_guinier33.97
Radius of gyration Rg (electron density) rg_electron33.54
Forward intensity I(0) i0119648000.00
Molecular weight molecular_weight85515.0 kDa
Excluded volume excluded_volume106330 ų
Envelope volume envelope_volume138120 ų
Hydration-shell volume shell_volume36404 ų
Envelope diameter envelope_diameter130.3
Shell Rg shell_rg37.89
Envelope Rg envelope_rg33.26
Shape Rg shape_rg33.53
Total Rg total_rg33.93
Total atoms total_atoms6020
Residues n_residues775
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 dmax122.3
Rg (real space) rg_real34.08
Rg uncertainty (real space) rg_real_error1.11
I(0) (real space) i0_real1.1960e+08
I(0) uncertainty (real space) i0_real_error1.9690e+06
Rg (reciprocal space) rg_reciprocal34.01
I(0) (reciprocal space) i0_reciprocal119600000.0000
Solution quality estimate total_estimate0.8512
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary36.4
Skewness Skewness skewness0.418
Kurtosis Kurtosis kurtosis-0.209
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16660000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.774; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.779; Smooth: 0.960

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6cwga_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.165 — Ribosome inactivating proteins (RIP)
Superfamily Superfamily superfamilyd.165.1 — Ribosome inactivating proteins (RIP)
Family Family familyd.165.1.1 — Plant cytotoxins
Domain ID domain_idd6cwgb_
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_idd6cwgc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.165 — Ribosome inactivating proteins (RIP)
Superfamily Superfamily superfamilyd.165.1 — Ribosome inactivating proteins (RIP)
Family Family familyd.165.1.1 — Plant cytotoxins
Domain ID domain_idd6cwgd_
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 (4 domains)

Domain ID domain_id6cwgA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology420 — Ricin (A subunit); domain 1
Homologous superfamily homologous superfamily10 — Ricin (A subunit), domain 1
Domain ID domain_id6cwgA02
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology470 — Ricin (A Subunit), domain 2
Homologous superfamily homologous superfamily10 — Ricin (A Subunit), domain 2
Domain ID domain_id6cwgC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology420 — Ricin (A subunit); domain 1
Homologous superfamily homologous superfamily10 — Ricin (A subunit), domain 1
Domain ID domain_id6cwgC02
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology470 — Ricin (A Subunit), domain 2
Homologous superfamily homologous superfamily10 — Ricin (A Subunit), domain 2

8. Citations (1)

9. Files and Curves (10)