3u7d

Crystal structure of the KRIT1/CCM1 FERM domain in complex with the heart of glass (HEG1) cytoplasmic tail

Method: X-RAY DIFFRACTION Dmax: 88.4 Å Quality: EXCELLENT

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, residues 417-736 Protein HEG homolog 1 × 1 (Q9ULI3) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;10% PEG 4000 and 100mM Citrate, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.49 Å R-free 0.309
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 417–736 Fragment:FERM domain, residues 417-736 Protein HEG homolog 1 × 1 (Q9ULI3) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;10% PEG 4000 and 100mM Citrate, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.49 Å R-free 0.309

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 23 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 Author chain C; PDBConstruct 3–322; UniProt 417–736

Protein HEG homolog 1

OrganismNot specified

UniProt Q9ULI3

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 1356–1381 Fragment:C-terminal cytoplasmic tail, residues 1356-1381 Krev interaction trapped protein 1 × 1 (O00522) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;10% PEG 4000 and 100mM Citrate, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.49 Å R-free 0.309
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1356–1381 Fragment:C-terminal cytoplasmic tail, residues 1356-1381 Krev interaction trapped protein 1 × 1 (O00522) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;10% PEG 4000 and 100mM Citrate, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.49 Å R-free 0.309

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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HEG1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–26; UniProt 1356–1381 Author chain D; PDBConstruct 1–26; UniProt 1356–1381

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 3u7d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3u7d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3u7d
Deposition date deposition_date2011-10-13
Structure title titleCrystal structure of the KRIT1/CCM1 FERM domain in complex with the heart of glass (HEG1) cytoplasmic tail
Keywords keywords;PSI-Biology, Assembly, Dynamics and Evolution of Cell-Cell and Cell-Matrix Adhesions, CELLMAT, FERM domain, Rap1 effector, membrane protein cytoplasmic tail, PROTEIN BINDING, Structural Genomics ;; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.77
Radius of gyration Rg (electron density) rg_electron27.47
Forward intensity I(0) i080497400.00
Molecular weight molecular_weight72690.0 kDa
Excluded volume excluded_volume92140 ų
Envelope volume envelope_volume115570 ų
Hydration-shell volume shell_volume34602 ų
Envelope diameter envelope_diameter96.2
Shell Rg shell_rg35.27
Envelope Rg envelope_rg27.33
Shape Rg shape_rg27.45
Total Rg total_rg28.38
Total atoms total_atoms5120
Residues n_residues623
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 dmax88.4
Rg (real space) rg_real28.66
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real8.0500e+07
I(0) uncertainty (real space) i0_real_error1.0810e+06
Rg (reciprocal space) rg_reciprocal28.71
I(0) (reciprocal space) i0_reciprocal80500000.0000
Solution quality estimate total_estimate0.9116
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.0
Skewness Skewness skewness0.176
Kurtosis Kurtosis kurtosis-0.532
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23700000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.961; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.963

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id3u7dA01
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_id3u7dA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology80 — Acyl-CoA Binding Protein
Homologous superfamily homologous superfamily10
Domain ID domain_id3u7dA03
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_id3u7dC01
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_id3u7dC02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology80 — Acyl-CoA Binding Protein
Homologous superfamily homologous superfamily10
Domain ID domain_id3u7dC03
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)

8. Citations (1)

9. Files and Curves (10)