6oca

Ricin A chain bound to VHH antibody V2G10

Method: X-RAY DIFFRACTION Dmax: 132.9 Å Quality: REASONABLE

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

Ricin A chain

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 38–302 Fragment:Toxin catalytic subunit, residues 38-302 VHH antibody V2G10 × 1 CL CHLORIDE ION × 2 PG4 TETRAETHYLENE GLYCOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5;295 K;100 mM MES (pH 5.0) and 20% PEG 6,000 Resolution 2.11 Å R-free 0.246
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 38–302 Fragment:Toxin catalytic subunit, residues 38-302 VHH antibody V2G10 × 1 CL CHLORIDE ION × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5;295 K;100 mM MES (pH 5.0) and 20% PEG 6,000 Resolution 2.11 Å R-free 0.246

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 1–265; UniProt 38–302 Author chain B; PDBConstruct 1–265; UniProt 38–302

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 6oca

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6oca
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6oca
Deposition date deposition_date2019-03-22
Structure title titleRicin A chain bound to VHH antibody V2G10
Keywords keywordsTOXIN; TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.71
Radius of gyration Rg (electron density) rg_electron38.15
Forward intensity I(0) i0118854000.00
Molecular weight molecular_weight87242.0 kDa
Excluded volume excluded_volume108790 ų
Envelope volume envelope_volume140770 ų
Hydration-shell volume shell_volume33387 ų
Envelope diameter envelope_diameter142.6
Shell Rg shell_rg40.06
Envelope Rg envelope_rg37.95
Shape Rg shape_rg38.13
Total Rg total_rg38.32
Total atoms total_atoms6157
Residues n_residues784
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 dmax132.9
Rg (real space) rg_real38.35
Rg uncertainty (real space) rg_real_error1.72
I(0) (real space) i0_real1.1890e+08
I(0) uncertainty (real space) i0_real_error2.2530e+06
Rg (reciprocal space) rg_reciprocal37.96
I(0) (reciprocal space) i0_reciprocal118800000.0000
Solution quality estimate total_estimate0.7369
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.5
Skewness Skewness skewness0.588
Kurtosis Kurtosis kurtosis-0.457
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24520000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.446; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.494; Smooth: 0.748

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6ocaa_
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_idd6ocab_
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_idd6ocac_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd6ocad_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id6ocaA01
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_id6ocaA02
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_id6ocaB01
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_id6ocaB02
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)