2j8h

Structure of the immunoglobulin tandem repeat A168-A169 of titin

Method: X-RAY DIFFRACTION Dmax: 89.6 Å Quality: REASONABLE

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

TITIN

HOMO SAPIENS

UniProt Q8WZ42

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 24430–24623 Fragment:IG LIKE DOMAIN, RESIDUES 24430-24623 GOL GLYCEROL × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 9;AMMONIUM SULFATE, BICINE, pH 9 Resolution 1.99 Å R-free 0.210

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.

54 other PDB entries and 123 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TITIN_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–197; UniProt 24430–24623

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 2j8h

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2j8h
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2j8h
Deposition date deposition_date2006-10-25
Structure title titleStructure of the immunoglobulin tandem repeat A168-A169 of titin
Keywords keywords;CARDIOMYOPATHY, NUCLEAR PROTEIN, SERINE/THREONINE-PROTEIN KINASE, LIMB-GIRDLE MUSCULAR DYSTROPHY, PHOSPHORYLATION, DISEASE MUTATION, STRUCTURAL PROTEIN, TITIN, A-BAND, KINASE, WD REPEAT, TPR REPEAT, IMMUNOGLOBULIN DOMAIN, IMMUNOGLOBULIN LIKE DOMAIN, NUCLEOTIDE-BINDING, ATP-BINDING, TRANSFERASE, KELCH REPEAT ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.89
Radius of gyration Rg (electron density) rg_electron24.80
Forward intensity I(0) i08214480.00
Molecular weight molecular_weight21703.0 kDa
Excluded volume excluded_volume27311 ų
Envelope volume envelope_volume34382 ų
Hydration-shell volume shell_volume13309 ų
Envelope diameter envelope_diameter91.5
Shell Rg shell_rg28.16
Envelope Rg envelope_rg25.01
Shape Rg shape_rg24.77
Total Rg total_rg25.36
Total atoms total_atoms1531
Residues n_residues195
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 dmax89.6
Rg (real space) rg_real25.45
Rg uncertainty (real space) rg_real_error0.98
I(0) (real space) i0_real8.2140e+06
I(0) uncertainty (real space) i0_real_error1.2640e+05
Rg (reciprocal space) rg_reciprocal25.33
I(0) (reciprocal space) i0_reciprocal8214000.0000
Solution quality estimate total_estimate0.6214
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.5
Skewness Skewness skewness0.594
Kurtosis Kurtosis kurtosis-0.498
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1424000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.335; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.073; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2j8ha1
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_idd2j8ha2
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 (2 domains)

Domain ID domain_id2j8hA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2j8hA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)