4c4d

Covalent glycosyl-enzyme intermediate of Hypocrea jecorina Cel7a E217Q mutant trapped using DNP-2-deoxy-2-fluoro-cellotrioside

Method: X-RAY DIFFRACTION Dmax: 68.0 Å Quality: GOOD

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

CELLULOSE 1,4-BETA-CELLOBIOSIDASE

TRICHODERMA REESEI

UniProt P62694

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Monomer Protein × 1 其他Polymer 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 18–451 Fragment:CATALYTIC MODULE, RESIDUES 18-451 Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) beta-D-glucopyranose-(1-4)-beta-D-glucopyranose × 1 ;beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-2-deoxy-2-fluoro-alpha-D-glucopyranose ; × 1 CO COBALT (II) ION × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN FIRST INCUBATED WITH 80 UM 2,4-DINITROPHENYL-2-DEOXY-2-FLUORO-BETA-CELLOTRIOSIDE (DNP-2F-G3)4 IN 10 MM SODIUM MES, PH 6.0. ALIQUOTS WERE TAKEN AT REGULAR TIME INTERVALS AND CONCENTRATED FOR CRYSTALLISATION IN THE PRESENCE OF 1 MM FRESH DNP-2F-G3 ADDED TO THE CRYSTALLISATION DROPS. CRYSTALLISATION CONDITION: 0.1 M MES (PH 6.0), 20% MONOMETHYL ETHER PEG 5000, 0.01 M COCL2, 12% GLYCEROL. Resolution 1.32 Å R-free 0.187

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.

41 other PDB entries and 44 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GUX1_HYPJE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–434; UniProt 18–451

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 4c4d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4c4d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4c4d
Deposition date deposition_date2013-09-05
Structure title titleCovalent glycosyl-enzyme intermediate of Hypocrea jecorina Cel7a E217Q mutant trapped using DNP-2-deoxy-2-fluoro-cellotrioside
Keywords keywordsHYDROLASE, GLYCOSIDE HYDROLASE, CELLOBIOHYDROLASE, CELLULASE.; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.54
Radius of gyration Rg (electron density) rg_electron20.37
Forward intensity I(0) i044499600.00
Molecular weight molecular_weight48036.0 kDa
Excluded volume excluded_volume58209 ų
Envelope volume envelope_volume65039 ų
Hydration-shell volume shell_volume25654 ų
Envelope diameter envelope_diameter70.9
Shell Rg shell_rg28.05
Envelope Rg envelope_rg20.71
Shape Rg shape_rg20.34
Total Rg total_rg21.27
Total atoms total_atoms3351
Residues n_residues433
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 dmax68.0
Rg (real space) rg_real21.39
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real4.4500e+07
I(0) uncertainty (real space) i0_real_error5.8040e+05
Rg (reciprocal space) rg_reciprocal21.42
I(0) (reciprocal space) i0_reciprocal44500000.0000
Solution quality estimate total_estimate0.8911
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary67.0
Skewness Skewness skewness0.171
Kurtosis Kurtosis kurtosis-0.397
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9073000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.880; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.948

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4c4da_
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.10 — Glycosyl hydrolase family 7 catalytic core

CATH v4.4 (1 domains)

Domain ID domain_id4c4dA00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology100 — 1,4-Beta-D-Glucan Cellobiohydrolase I; Chain A
Homologous superfamily homologous superfamily10 — Glycoside hydrolase, family 7, domain

8. Citations (1)

9. Files and Curves (10)