2rbl

High resolution design of a protein loop

Method: X-RAY DIFFRACTION Dmax: 75.8 Å Quality: REASONABLE

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

Tenascin

Homo sapiens

UniProt P24821

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 802–893 Chain B; UniProt 802–893 Fragment:unp residues 802-896 Mutation:M24F, P25K, S27L, Q28A, P29E, V30I, F33I No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 3;298 K;2.0 M Ammonium Sulfate, pH = 3.0, 10% additive 0.1 M cupric chloride, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.10 Å R-free 0.300
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain M; UniProt 802–893 Fragment:unp residues 802-896 Mutation:M24F, P25K, S27L, Q28A, P29E, V30I, F33I No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 3;298 K;2.0 M Ammonium Sulfate, pH = 3.0, 10% additive 0.1 M cupric chloride, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.10 Å R-free 0.300

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.

8 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TENA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–93; UniProt 802–893 Author chain B; PDBConstruct 2–93; UniProt 802–893 Author chain M; PDBConstruct 2–93; UniProt 802–893

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 2rbl

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2rbl
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id2rbl
Deposition date deposition_date2007-09-19
Structure title titleHigh resolution design of a protein loop
Keywords keywords;Beta sheet, loop design, Alternative splicing, Cell adhesion, Coiled coil, EGF-like domain, Extracellular matrix, Glycoprotein, Phosphorylation, Polymorphism, Secreted ;; CELL ADHESION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.03
Radius of gyration Rg (electron density) rg_electron22.71
Forward intensity I(0) i015163800.00
Molecular weight molecular_weight28598.0 kDa
Excluded volume excluded_volume35422 ų
Envelope volume envelope_volume44904 ų
Hydration-shell volume shell_volume17856 ų
Envelope diameter envelope_diameter76.9
Shell Rg shell_rg27.73
Envelope Rg envelope_rg22.72
Shape Rg shape_rg22.72
Total Rg total_rg23.35
Total atoms total_atoms2009
Residues n_residues258
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 dmax75.8
Rg (real space) rg_real23.15
Rg uncertainty (real space) rg_real_error0.47
I(0) (real space) i0_real1.5160e+07
I(0) uncertainty (real space) i0_real_error1.9270e+05
Rg (reciprocal space) rg_reciprocal23.12
I(0) (reciprocal space) i0_reciprocal15160000.0000
Solution quality estimate total_estimate0.6919
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary22.1
Skewness Skewness skewness0.433
Kurtosis Kurtosis kurtosis-0.425
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3930000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.880; Stabil: 1.000; Sysdev: 0.171; Positv: 1.000; Valcen: 0.864; Smooth: 0.972

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2rbla_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.2 — Fibronectin type III
Family Family familyb.1.2.1 — Fibronectin type III
Domain ID domain_idd2rblb_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.2 — Fibronectin type III
Family Family familyb.1.2.1 — Fibronectin type III
Domain ID domain_idd2rblm_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.2 — Fibronectin type III
Family Family familyb.1.2.1 — Fibronectin type III

CATH v4.4 (4 domains)

Domain ID domain_id2rblA01
Class class2 — Mainly Beta
Architecture architecture20 — Single Sheet
Topology topology25 — N-terminal domain of TfIIb
Homologous superfamily homologous superfamily10
Domain ID domain_id2rblA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2rblB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2rblM00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)