4hqr

Crystal Structure of mutant form of Caspase-7

Method: X-RAY DIFFRACTION Dmax: 68.5 Å Quality: EXCELLENT

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

Caspase-7

Homo sapiens

UniProt P55210

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 47–303 Chain B; UniProt 47–303 Fragment:UNP residues 47-303 Mutation:D198A Ac-Asp-Glu-Val-Asp-Aldehyde × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 4.6;293 K;sodium formate, pH 4.6, VAPOR DIFFUSION, temperature 293K Resolution 3.00 Å R-free 0.253

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.

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

View Construct and Data Evidence
UniProt name CASP7_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–264; UniProt 47–303 Author chain B; PDBConstruct 2–264; UniProt 47–303

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 4hqr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4hqr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4hqr
Deposition date deposition_date2012-10-26
Structure title titleCrystal Structure of mutant form of Caspase-7
Keywords keywordscaspase, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.26
Radius of gyration Rg (electron density) rg_electron21.95
Forward intensity I(0) i045083900.00
Molecular weight molecular_weight51982.0 kDa
Excluded volume excluded_volume64965 ų
Envelope volume envelope_volume76537 ų
Hydration-shell volume shell_volume28143 ų
Envelope diameter envelope_diameter70.5
Shell Rg shell_rg29.53
Envelope Rg envelope_rg22.03
Shape Rg shape_rg21.94
Total Rg total_rg22.83
Total atoms total_atoms3647
Residues n_residues453
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 dmax68.5
Rg (real space) rg_real23.09
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real4.5080e+07
I(0) uncertainty (real space) i0_real_error5.9710e+05
Rg (reciprocal space) rg_reciprocal23.13
I(0) (reciprocal space) i0_reciprocal45080000.0000
Solution quality estimate total_estimate0.9136
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.6
Skewness Skewness skewness0.080
Kurtosis Kurtosis kurtosis-0.576
Angular range angular_range— – 0.3400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8388000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.965; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4hqra_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.1 — Caspase catalytic domain
Domain ID domain_idd4hqrb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.1 — Caspase catalytic domain

CATH v4.4 (2 domains)

Domain ID domain_id4hqrA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460
Domain ID domain_id4hqrB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460

8. Citations (1)

9. Files and Curves (10)