6oq3

Crystal Structure of the Ternary Complex of KRIT1 bound to both the Rap1 GTPase and HKi2

Method: X-RAY DIFFRACTION Dmax: 88.0 Å Quality: GOOD

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

Krev interaction trapped protein 1

Homo sapiens

UniProt O00522

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 417–736 Fragment:FERM domain Ras-related protein Rap-1b × 1 (P61224) 7WO 2-hydroxynaphthalene-1-carbaldehyde × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;20-25% PEG 3,350, 100 mM Tris, pH 8.5, 100 mM KCl Resolution 1.85 Å R-free 0.292

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.

14 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KRIT1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–322; UniProt 417–736

Ras-related protein Rap-1b

Homo sapiens

UniProt P61224

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 B; UniProt 1–167 Not recorded Krev interaction trapped protein 1 × 1 (O00522) 7WO 2-hydroxynaphthalene-1-carbaldehyde × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;20-25% PEG 3,350, 100 mM Tris, pH 8.5, 100 mM KCl Resolution 1.85 Å R-free 0.292

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.

22 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RAP1B_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–167; UniProt 1–167

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 6oq3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6oq3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6oq3
Deposition date deposition_date2019-04-25
Structure title titleCrystal Structure of the Ternary Complex of KRIT1 bound to both the Rap1 GTPase and HKi2
Keywords keywordsComplex, Small molecules, GTPase, KRIT1, CELL ADHESION; CELL ADHESION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.85
Radius of gyration Rg (electron density) rg_electron24.75
Forward intensity I(0) i049544800.00
Molecular weight molecular_weight55256.0 kDa
Excluded volume excluded_volume69474 ų
Envelope volume envelope_volume83699 ų
Hydration-shell volume shell_volume28364 ų
Envelope diameter envelope_diameter90.6
Shell Rg shell_rg31.88
Envelope Rg envelope_rg24.94
Shape Rg shape_rg24.73
Total Rg total_rg25.60
Total atoms total_atoms3881
Residues n_residues474
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 dmax88.0
Rg (real space) rg_real25.84
Rg uncertainty (real space) rg_real_error0.59
I(0) (real space) i0_real4.9540e+07
I(0) uncertainty (real space) i0_real_error6.5920e+05
Rg (reciprocal space) rg_reciprocal25.85
I(0) (reciprocal space) i0_reciprocal49540000.0000
Solution quality estimate total_estimate0.8763
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.9
Skewness Skewness skewness0.370
Kurtosis Kurtosis kurtosis-0.193
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11660000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.816; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.956

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6oq3b_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins

CATH v4.4 (4 domains)

Domain ID domain_id6oq3A01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id6oq3A02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology80 — Acyl-CoA Binding Protein
Homologous superfamily homologous superfamily10
Domain ID domain_id6oq3A03
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Domain ID domain_id6oq3B00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (1)

9. Files and Curves (10)